SURPASS HiT 7035 Extension Shelf Technical Manual 4.0

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Information SURPASS hiT 7035 Extension Shelf 4.0 Technical Manual A42022-L5975-A 51-2-7618

Technical Manual

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Information SURPASS hiT 7035 Extension Shelf 4.0

Important Notice on Product Safety Elevated voltages are inevitably present at specific points in this electrical equipment. Some of the parts may also have elevated operating temperatures. Systems with forced ventilation have rotating items. Non-observance of these conditions and the safety instructions can result in personal injury or in property damage. The system complies with the standard EN 60950-1 / IEC 60950-1. All equipment connected has to comply with the applicable safety standards. Mount the systems in areas with restricted access only. Only trained and qualified personnel may install, operate, and maintain the systems.

The same text in German: Wichtiger Hinweis zur Produktsicherheit In elektrischen Anlagen stehen zwangsläufig bestimmte Teile der Geräte unter Spannung. Einige Teile können auch eine hohe Betriebstemperatur aufweisen. Anlagen mit Zwangsbelüftung haben drehende Teile. Eine Nichtbeachtung dieser Situation und der Warnungshinweise kann zu Körperverletzungen und Sachschäden führen. Das System entspricht den Anforderungen der EN 60950-1 / IEC 60950-1. Angeschlossene Geräte müssen die zutreffenden Sicherheitsbestimmungen erfüllen. Die Anlagen dürfen nur in Betriebsstätten mit beschränktem Zutritt aufgebaut werden. Die Anlagen dürfen nur durch geschultes und qualifiziertes Personal installiert, betrieben und gewartet werden.

Trademarks: All designations used in this document can be trademarks, the use of which by third parties for their own purposes could violate the rights of their owners.

Copyright (C) Siemens AG 2006 Issued by the Communications Group Hofmannstraße 51 D-81359 München Technical modifications possible. Technical specifications and features are binding only insofar as they are specifically and expressly agreed upon in a written contract.

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Contents 1

Notes on this Documentation .........................................................................................7

1.1 1.2 1.3 1.3.1 1.3.2 1.3.3 1.4 1.5

Customer Documentation...............................................................................................7 Complementary Documents ...........................................................................................7 Symbols Used in the Customer Documentation.............................................................8 Symbol for Warnings ......................................................................................................8 Symbols for Notes ..........................................................................................................8 Symbols for Menu Displays and Text Inputs ..................................................................8 Notes on Licensed Software...........................................................................................8 Standard Compliance .....................................................................................................8

2

Introduction ...................................................................................................................10

2.1

Application Types .........................................................................................................10

3

Overview of the Main Features.....................................................................................12

4

System Description.......................................................................................................13

4.1 4.2 4.2.1 4.2.2 4.2.3 4.2.4 4.3 4.4 4.5 4.6 4.6.1 4.6.2 4.7 4.8

Subrack.........................................................................................................................13 Basic Functions ............................................................................................................14 User Data Interfaces.....................................................................................................15 Switch Fabric Functions ...............................................................................................15 Multiplex and Mapping Functions .................................................................................15 SDH Overhead Processing Function ...........................................................................16 Clock Pulse Supply, Synchronization...........................................................................17 Laser Safety Shut-down ...............................................................................................18 Software/Firmware .......................................................................................................18 Protection Architecture .................................................................................................18 SDH Traffic Protection..................................................................................................19 Hardware Protection.....................................................................................................21 Operating Terminal TNMS-M SURPASS hiT 7035 Extension Shelf LCT ....................21 Connection to Network Management Systems ............................................................22

5

Components of the SURPASS hiT 7035 Extension Shelf............................................23

5.1 5.2 5.3 5.4 5.5 5.6 5.6.1 5.6.2 5.6.3 5.6.4 5.7

Subrack and Slot Arrangement ....................................................................................23 List of Cards Supported................................................................................................24 Power Supply Card: PWR ............................................................................................25 Fan Tray .......................................................................................................................26 System Controller Card: SC .........................................................................................26 Cross-connect and Timing Card with STM-4 Optical interface: CC + 1×STM-4..........27 Cross-connect Architecture and Capacity ....................................................................27 Timing Function ............................................................................................................28 STM-4 optical Interface ................................................................................................28 CC Card Faceplate and LEDs ......................................................................................29 Electrical 2 Mbit/s Interface Card 63× E1 (W/P), 63× E1 IO ........................................29

6

System Control and Monitoring ....................................................................................32

6.1 6.1.1 6.1.2 6.2 6.2.1 6.2.2 6.3

Indicating and Operating Elements of the Network Element........................................33 Operating Devices of the SURPASS hiT 7035 Extension Shelf ..................................33 Operating and Display Elements of the Cards .............................................................33 Control and Monitoring by TNMS-M Network Management System ...........................34 TNMS-M SURPASS hiT 7035 Extension Shelf LCT ....................................................34 TNMS-M .......................................................................................................................35 Management System Protection ..................................................................................36

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6.4 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.5

NE Software................................................................................................................. 37 Application Management Module ................................................................................ 37 Hardware Driver Modules ............................................................................................ 38 Real-Time Multi-Task Operation System..................................................................... 38 SNMP Agent ................................................................................................................ 38 MIB Management Module............................................................................................ 39 Management Protocols and DCC................................................................................ 39

7

Commissioning and Maintenance ............................................................................... 40

7.1 7.2

Commissioning ............................................................................................................ 40 Maintenance ................................................................................................................ 40

8

Technical Data............................................................................................................. 41

8.1 8.1.1 8.1.2 8.2 8.2.1 8.3 8.3.1 8.4 8.4.1 8.5 8.6 8.6.1 8.6.2 8.7 8.8

Traffic Interfaces .......................................................................................................... 41 Optical STM-4 Interfaces ............................................................................................. 41 Electrical 2 Mbit/s Interfaces........................................................................................ 42 Control Interfaces ........................................................................................................ 42 SNMP/TCP/IP/Ethernet for Network Management System ........................................ 42 Signaling Interfaces ..................................................................................................... 42 Fault Indication and Services Status LEDs ................................................................. 42 Switching and Delay Times ......................................................................................... 43 MSP Line Protection Switching ................................................................................... 43 Power Supply............................................................................................................... 43 Environmental Conditions............................................................................................ 43 Climatic Conditions ...................................................................................................... 43 Electromagnetic Compatibility EMC ............................................................................ 44 Dimensions in mm ....................................................................................................... 44 Weights in kg ............................................................................................................... 44

9

Abbreviations ............................................................................................................... 45

10

Index ............................................................................................................................ 49

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Illustrations Fig. 2.1 Fig. 4.1 Fig. 4.2 Fig. 4.3 Fig. 4.4 Fig. 4.5 Fig. 4.6 Fig. 4.7 Fig. 5.1 Fig. 5.2 Fig. 5.3 Fig. 5.4 Fig. 5.5 Fig. 5.6 Fig. 5.7 Fig. 5.8 Fig. 5.9 Fig. 5.10 Fig. 5.11 Fig. 6.1 Fig. 6.2

E1 Extension Shelf Application..................................................................................10 SURPASS hiT 7035 Extension Shelf.........................................................................13 Install SURPASS hiT 7035 Extension Shelves in 19” Rack ......................................14 Functional Block Diagram..........................................................................................14 SDH/PDH Multiplex Structures ..................................................................................16 Linear 1+1 MSP, Fault-free Case ..............................................................................19 Linear 1+1 MSP, Switch to Protection Line ...............................................................20 Embedding of SURPASS hiT 7035 Extension Shelf in a TMN System ....................22 Overview of the System Components .......................................................................23 Subrack Slots.............................................................................................................24 Power Card Faceplate ...............................................................................................25 Fan Tray Faceplate....................................................................................................26 System Controller (SC) Card Faceplate ....................................................................26 CC Card Cross-connect Architecture - 2.5G CC .......................................................28 CC + 1xSTM4 Card Faceplate...................................................................................29 63× E1 Card (1:4 Protection) .....................................................................................30 63× E1 (W/P) Card Faceplate....................................................................................31 63× E1 IO (75 Ohm) Card Faceplate.........................................................................31 63× E1 IO (120 Ohm) Card Faceplate.......................................................................31 Embedding of SURPASS hiT 7035 NEs in a TMN System.......................................34 SURPASS hiT 7035 Software Architecture ...............................................................37

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Tables Tab. 4.1 Tab. 4.2 Tab. 5.1 Tab. 5.2 Tab. 5.3 Tab. 5.4 Tab. 5.5 Tab. 5.6 Tab. 5.7 Tab. 5.8 Tab. 5.9 Tab. 5.10 Tab. 8.1

6

User Data Interfaces.................................................................................................. 15 SDH Overhead Process Function.............................................................................. 17 Subrack Slot Arrangement and Allowable Cards ...................................................... 24 Overview of SURPASS hiT 7035 Extension Shelf Release 4.0 Cards ..................... 25 Power Card LEDs ...................................................................................................... 25 System Controller (SC) Card Interface...................................................................... 26 SC Card LEDs ........................................................................................................... 27 1× STM-4 Interface on CC Cards .............................................................................. 28 CC Card LEDs ........................................................................................................... 29 63× E1 Protection Group Configuration Rule ............................................................ 30 63× E1 IO Card Interfaces ......................................................................................... 31 63× E1 (W/P) Card LEDs........................................................................................... 31 STM-4 Port 1300nm / 1550nm .................................................................................. 41

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1 Notes on this Documentation 1.1

Customer Documentation The Customer Documentation of the SURPASS hiT 7035 Extension Shelf comprises the following descriptions and manuals: •

i

Technical Manual The Technical Manual gives an overview of the application, performance features, interfaces and functions of the SURPASS hiT 7035 Extension Shelf. It also contains the most important technical data.

The Technical Manual does not contain any instructions to be carried out. •

Installation and Test Manual The Installation and Test Manual contains instructions on mounting, connecting, and commissioning the SURPASS hiT 7035 Extension Shelf, and connecting and commissioning the LCT operating terminals.

•

Troubleshooting Manual The Troubleshooting Manual provides information about the alarm list SURPASS hiT 7035 Extension Shelf supports and troubleshooting procedures.

•

LCT User Manual The LCT User Manual provides information about the LCT (features, configuration, installation, etc.) and how to operate, monitor and maintain the SURPASS hiT 7035 Extension Shelf using the Element Manager software (Application Software) running on the LCT.

i

Besides the LCT User Manual, the Online Help of the SURPASS hiT 7035 ES software is of high importance for the operator.

1.2

Complementary Documents In addition to the SURPASS hiT 7035 Extension Shelf customer documentation listed in Chapter 1.1, there is further documentation: •

SURPASS hiT 7035 Extension Shelf Release Note This document identifies the specific version of the SURPASS hiT 7035 Extension Shelf and provides information on Hardware, Software, LCT components and the limitations of the release as well as important notes concerning the customer documentation.

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1.3 1.3.1

! 1.3.2

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Information SURPASS hiT 7035 Extension Shelf 4.0

Symbols Used in the Customer Documentation Symbol for Warnings This symbol identifies notes which, if ignored, can result in personal injury or in permanent damage to the equipment.

Symbols for Notes Information which extends beyond the immediate context. Cross reference to other chapters in this manual or reference to other manuals.

Help

1.3.3

Reference to the online help system of the Element Manager software.

Symbols for Menu Displays and Text Inputs Menu options from pop-up menus or inputs to be made by the user (texts, commands) are displayed consecutively in their hierarchical sequence in pointed brackets: etc.

1.4

Notes on Licensed Software This documentation refers to software products which were taken over from other companies as licenses. Should problems arise, you should contact Siemens AG as the licensee and not the relevant licenser.

1.5

Standard Compliance The SURPASS hiT 7035 Extension Shelf is in compliance with the following standards (as applicable): Electronic Industry Association (EIA) European Telecommunications Standards Institute (ETSI) Institute of Electrical and Electronics Engineers (IEEE) – IEEE 802.1Q Virtual LANs – IEEE 802.1p Traffic Class Expediting and Dynamic Multicast Filtering – IEEE 802.3 CSMA/CD Access Method International Telecommunication Union–Telecommunication Standardization Sector (ITU-T) Recommendations – G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces – G.7041/Y1303 Generic Framing Procedure (GFP) – G.7042/Y1305 Link Capacity Adjustment Scheme (LCAS) for Virtual Concatenated Signals – G.707/Y1322 Network Node Interface for the Synchronous Digital Hierarchy (SDH) – G.774 SDH Management Information Model for Network Element View – G.781 Synchronization Layer Functions

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G.783

– – – –

G.784 G.803 G.813 G.823

–

G.825

–

G.826

–

G.828

– –

G.829 G.831

– – –

G.841 G.842 G.957

–

G.958

–

G.691

–

G.664

– –

M.3010 M.3300

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Characteristics of Synchronization Digital Hierarchy (SDH) Equipment Functional Blocks Synchronous Digital Hierarchy (SDH) Management Synchronous Digital Hierarchy (SDH) Transport Network Architecture Timing Characteristics of SDH Equipment Slave Clocks (SEC) Control Of Jitter and Wander within Digital Networks which are Based On The 2048 Kbit/s Hierarchy “The Control of Jitter and Wander Within Digital Networks which are based on the Synchronous Digital Hierarchy (SDH)” Error Performance Parameters and Objectives For International, Constant Bit-Rate Digital Paths At Or Above The Primary Rate Error Performance Parameters and Objectives For International, Constant Bit Rate Synchronous Digital Paths Error Performance Events for SDH Multiplex and Regenerator Sections Management Capabilities Of Transport Networks Based on the Synchronous Digital Hierarchy (SDH) Types and Characteristics of SDH Network Protection Architectures Interworking of SDH Network Protection Architecture Optical Interfaces for Equipment and System Relating to the Synchronous Digital Hierarchy Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables Optical Interfaces for Single-Channel STM-64, STM-256, and Other SDH Systems with Optical Amplifiers Optical Safety Procedures and Requirements for Optical Transport System Principles for a Telecommunications Management Network. TMN F Interface Requirements

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2 Introduction The SURPASS hiT 7035 Extension Shelf is designed as an Extension Shelf for other SUPRASS hiT 70xx serials products, such as the SURPASS hiT 7060HC and SURPASS hiT 7060. This product supports a total of 252 × E1 services which can be added and dropped within single subrack. When connected with the main shelf, maximum four (4) extension shelves can be supported via the MSP STM4 optical links simultaneously. SURPASS hiT 7035 Extension Shelf network elements provide fixed cross-connectivity. The TNMS-M SURPASS hiT 7035 Extension Shelf LCT allows the operator to enable crossconnection, but by default it is disabled, even if all the cards are equipped. The switch network capacity is up to 46 x 46 STM-1-equivalents. This applies to the VC-4 layer and to all cross-connection types (unidirectional, bidirectional and broadcast). State-of-the-art protection switching mechanisms are supported to enable an optimum network with the very highest reliability possible – depending on the relevant network topology and the requirements of the network operator, see Chapter 4.6. SURPASS hiT 7035 Extension Shelf is single subrack equipment. For detailed information about the features of SURPASS hiT 7035 Extension Shelf see Chapter 3.

2.1

Application Types A typical example of the SURPASS hiT 7035 Extension Shelf application is provided in Fig. 2.1.

hiT 7060HC (Main Shelf)

STM-4 (MSP) STM-4 (MSP)

STM-4 (MSP)

hiT 7035 Extension Shelf

hiT 7035 Extension Shelf

hiT 7035 Extension Shelf

hiT 7035 Extension Shelf

252 × 2 Mbit/s

252 × 2 Mbit/s

252 × 2 Mbit/s

252 × 2 Mbit/s

Fig. 2.1

10

STM-4 (MSP)

E1 Extension Shelf Application

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The SURPASS hiT 7035 Extension Shelf is able to aggregate a large number of 2Mbit/s PDH interfaces into one of the two MSP STM-4 interfaces. It always works with SURPASS hiT 7060 or SURPASS hiT 7060HC to extend their E1 access ability. With the 1+1 MSP STM-4 links, the maximum four Extension Shelves are supported to connect with one Main Shelf. While connected through the STM-4 links and used as a PDH extension chassis, the SURPASS hiT 7035 can support 252 × E1 in total. All of these PDH interfaces can have protection configuration to provide high reliability PDH traffic. This means the E1 cards support 1: N (N=1 to 4) equipment protection.

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3 Overview of the Main Features Subrack Type −

11 RU height, 1 system control board, 2 CC cards and 5 traffic slots

Switch Matrix Fully non-blocking switching fixed matrix: −

2.5 G switching capacity with VC-12 granularity

Interface Types −

STM-4 optical interfaces: (1 per card)

−

2 Mbit/s electrical interfaces (63 per card)

NE features −

STM-4 line timing

−

Near end performance monitoring

−

Far end performance monitoring

−

Automatic Software downloads

−

Auto link detection

Hardware Protection −

Switch Fabric and Clock Unit Protection

−

1:N (N=4)Hardware Protection for E1 electrical interfaces

Traffic Protection −

MSP (1+1) for STM-4

TNMS-M Embedding

12

−

Element management by TNMS-M SURPASS hiT 7035 Extension Shelf LCT

−

Service/Network/Element management by TNMS-M

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4 System Description The following sub-chapters give a functional and technical view of the main features of SURPASS hiT 7035 separated from the physically interfaces. For information about hardware relevant features please refer to Chapter 5.

4.1

Subrack A picture of the SURPASS hiT 7035 subrack is shown below. The subrack is 11 RU high and the physical dimensions are 400mm (W) x 486 mm (H) x 300 mm (D). It is designed to fit ETSI, EIA 300 and NEBS requirements. The system racks used comply with the dimensions recommended by ETSI (European Telecommunications Standards Institute): W = 600 mm, H = 2200 mm and D = 240 mm (ETS 300 119). Up to two or three (depending on the cabling, see Fig. 4.2) SURPASS hiT 7035 Extension Shelves can be installed into a 2200mm or 2600 mm high ETSI rack or an EIA 310 19” rack. Between the consecutive shelves at least 5-rack-unit space should be reserved.

Fig. 4.1

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cable ducts

hiT7035 Extension Shelf

hiT7035 Extension Shelf

hiT70xx Main Shelf

hiT7035 Extension Shelf

hiT7035 Extension Shelf

cable ducts

Top Entry

Fig. 4.2

4.2

Bottom Entry

Install SURPASS hiT 7035 Extension Shelves in 19” Rack

Basic Functions Fig. 4.3 shows the basic functional structure of the SURPASS hiT 7035 Extension Shelf. TNMS-M/ TNMS-M SURPASS hiT 7035 Extension Shelf LCT

System Controller

Timing controller

Maintenance Panel

Tributary interfaces Line interfaces East

MS Overhead Process

Fixed CC

PDH Interface

STM-4 Interface

Line interfaces West STM-4 Interface

Fig. 4.3

14

Functional Block Diagram

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On the line side, the send/receive modules (SDH) carry out the conversion to optical/electrical signals. The SDH cards are equipped with various transceiver modules (differing SFP modules depending on distance) running at a 622Mbit/s rate. For release 4.0, the SURPASS hiT 7035 Extension Shelf only supports 2Mbit/s PDH interface on the tributary side. The central element of SURPASS hiT 7035 Extension Shelf includes system controller, cross-connect matrix, timing controller, and maintenance panel.

4.2.1

User Data Interfaces SURPASS hiT 7035 Extension Shelf can be equipped with the following data interfaces (line and tributary signals):

Interface Type SDH PDH Tab. 4.1

4.2.2

Bit Rate 622 Mbit/s (STM-4)

2 Mbit/s User Data Interfaces

Connection

Ports per Card

optical

1 (bidirectional)

electrical

63 (bidirectional)

Switch Fabric Functions The assignment between E1 port and STM-4 port of the extension shelf is fixed. This fixed switching device has the capacity to simultaneously support 252 × E1 add/drop. Users are allowed to create or delete the cross-connection by using the TNMS-M or LCT. Capacity of the Cross-connect Matrix: Fixed cross-connect capacity: 2.5 G (1008 × 1008 VC-12s)

4.2.3

Multiplex and Mapping Functions The SURPASS hiT 7035 Extension Shelf transmits SDH and PDH signals. Fig. 4.4 shows the organization and relationship of SDH and PDH multiplex structures. Chapter 8.1 summarizes the available interfaces for SURPASS hiT 7035 Extension Shelves.

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SDH

PDH

Nx

STM-N

AUG

N=4

AU-4

VC-4

3x

TUG-3

7x

TUG-2 3x

TU-12

Fig. 4.4

4.2.3.1

VC-12

C-12

D2

2 Mbit/s

SDH/PDH Multiplex Structures

SDH HO/LO Multiplexer and Mapping Functions The SURPASS hiT 7035 Extension Shelf implements the following HO/LO multiplexing and mapping methods:

4.2.3.2

−

VC-4 containers are aligned (with frame offset information) with an AU-4, according to ITU-T G.707. The AU-4 may further be mapped via AUG-1 into STM-1 or via AUG1and AUG-4 into STM-4.

−

VC-12 containers are aligned (with frame offset information) with a TU-12, according to ITU-T G.707. The TU-12 is further mapped via TUG-2 and TUG-3 into VC-4.

PDH Mapping into SDH Containers The SURPASS hiT 7035 Extension Shelf implements the following mapping of PDH signals on SDH containers: −

4.2.4

2-Mbit/s signals are mapped into a VC-12 asynchronously, according to ITU-T G.707. The VC-12 is further mapped on a VC-4, via TU-12, TUG-2 and TUG-3.

SDH Overhead Processing Function The SURPASS hiT 7035 Extension Shelf supports the following SDH overhead process:

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SDH Overhead Name Description A1, A2 Framing Bytes J0 Regenerator Section Trace B1 Regenerator Section BIP-8 RS-OH E1 Regenerator Section Order wire F1 Regenerator Section User Channel D1~D3 Section DCC B2 BIP-N×24 K1, K2 (b1~b5) APS K2 (b6~b8) MS-RDI MS-OH D4~D12 Multiplex Section DCC S1 Synchronous Status M0, M1 MS-REI E2 Line Order wire J1 Path Trace B3 Path BIP-8 C2 Path Signal Label G1 Path Status F2 Path User Channel VC-4 POH H4 Position and Sequence Indicator F3 Path User Channel K3 (b1~b4) APS K3 (b5~b6) Spare K3 (b7~b8) Data link N1 Network Operator Byte V5 (b1~b2) BIP-2 V5 (b3) LP-REI V5 (b4) LP-RFI V5 (b5~b7) Signal Label VC-12 V5 (b8) LP-RDI POH J2 Path Trace N2 Network Operator Byte K4 (b1) Extension Signal Label K4 (b2) Virtual Concatenation ID K4 (b3~b8) Reserved Tab. 4.2 SDH Overhead Process Function

4.3

Technical Manual

Support 3 3 3

3 3 3 3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

Clock Pulse Supply, Synchronization There is no need to select a timing reference on the SURPASS hiT 7035 Extension Shelf. When the operator specifies the relationship between the Main Shelf and the Extension Shelf in TNMS-M, the system will automatically configure the timing source for the Extension Shelf. The timing source will be internally fixed to the two STM-4 ports on CC cards of the Extension Shelf. From LCT, the timing reference information can only be viewed. The system clock mode is always set to “Auto” mode, and is unchangeable from the LCT.

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In TNMS-M, the system clock of Extension Shelf is invisible and not configurable, but the system clock alarms of Extension Shelf are able to be reported to TNMS-M and TNMS-Core.

4.4

Laser Safety Shut-down To prevent possible personal injury from emerging laser light in the case of line interruption (e.g. fiber break), the SURPASS hiT 7035 equipment contains a laser safety shut-down function (ALS Automatic Laser Shut-down) according to ITU-T G.958 and ITU-T G664. In the case of signal failure at the optical receiver of SURPASS hit 7035 equipment, the laser transmitter is switched OFF in this equipment for the opposite direction and thereby the disturbed field is taken out of operation. The laser transmitter is then switched ON cyclically every 100 s for approximately 2 s for testing. If the receiver of the concerned device receives a valid signal again, the laser transmitter of the opposite direction is immediately put into continuous operation again. When switching ON internal power supplies or after a laser switch-off caused by total failure of the power supply in the telecommunications center, the laser transmitter(s) must be forced switched ON for approximately 2s after the permissible operating conditions have been reached. In this way the line is automatically put back into operation. In the case of line interruption or for maintenance work, the laser transmitter must be switched on manually for approximately 2s or approximately 90s (test purposes). The transmitter is switched back ON via the operating terminal.

4.5

Software/Firmware The System Controller (SC) board is equipped with micro controllers for monitoring, controlling, and maintaining status information. They are programmed with embedded firmware held in Flash-EEPROMs. A software download facility is available. The download can be done remotely or locally via the element manager or local craft terminal. The internal configuration database of the system can be uploaded and downloaded. It is stored redundantly and robust to any card failure. Beside the configuration database, there are two embedded software images in the System Controller. One is used by the active software and the other is for backup. During the system upgrade, new software will be downloaded and stored into the backup image memory bank. It will then be activated and the active image will be set as the new backup. Two software images design can efficiently protect the system from system crash caused by wrong operation.

4.6

Protection Architecture As today’s network carries more and more mission critical traffic, protection is a must to guarantee minimum downtime. The SURPASS hiT 7035 Extension Shelf features extensive protection mechanisms according to a number of ITU-T standards. The following sections assume working knowledge of standard SDH protection schemes. For an introduction to protection schemes and their implementation under SURPASS hiT 7035 Extension Shelf refer to SURPASS hiT 7035 Extension Shelf LCT user manual.

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4.6.1

Technical Manual

SDH Traffic Protection The only traffic protection function the SURPASS hiT 7035 Extension Shelf supports is STM4 multiplex section layer (Linear MSP).

i

4.6.1.1

Traffic protection functions are partly coupled with equipment protection features. This is in general implicitly achieved by including some hardware components (e.g. SFP modules) within a protected signal section.

1+1 Linear Multiplex Section Protection (MSP) Protection switching is fullfilled in the equipment according to the relevant ETSI/ITU-T standards ETS 300417-3-1 and G.841, respectively. Fig. 4.5 shows the general switching architecture for completing a linear 1+1 MSP with two line interfaces:

MSP Bridge/Selector

Working port

Working Traffic

Protection port

Fig. 4.5

Linear 1+1 MSP, Fault-free Case

In 1+1 Linear MSP, the client traffic is always transmitted over the working and protection path simultaneously (MSP Bridge). In case of fiber break (Fig. 4.6), the SDH card detects the fault and the MSP selector automatically selects the incoming traffic from the protection path.

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MSP Bridge/Selector

Working port

Working Traffic

Protection port

Fig. 4.6

Linear 1+1 MSP, Switch to Protection Line

In SURPASS hiT 7035 Extension Shelf Linear MSP, all the optical traffic cards offer hot changeable optical plug-in modules (SFPs) the 1+1 MSP protection always comes with some kind of hardware protection. In SURPASS hiT 7035 Extension Shelf, MSP operates in single-ended mode (revertive or non-revertive). All SDH traffic interfaces of SURPASS hiT 7035 Extension Shelf support 1+1 MSP protection scheme.

4.6.1.1.1

MSP Protection Characteristics −

Supported Interface: STM-4

−

Architecture : 1+1

−

Switching type : unidirectional (single ended) or bidirectional (dual-ended)

−

Operation type : revertive or non-revertive

The wait-to-restore (WTR) time for MSP is between 1-12 minutes and can be set from the network management system in second increments. The default value is 5 minutes.

4.6.1.1.2

Criteria for Initiating the Protection Switching Process Linear MSP can either be initiated automatically or manually using the operating terminal/OS. Internal switch requests: − SF (from LOS, RS-LOF, MS-AIS, RS-TIM, MS-EXC) −

SD (from MS-DEG)

External switch requests (from values below; selected one at a time): − Lockout of Protection, LP −

20

Forced Switch, FS_P (working traffic to protection line)

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4.6.2 4.6.2.1

−

Forced Switch, FS_W (working traffic to working line)

−

Manual Switch, MS_P (working traffic to protection line)

−

Manual Switch, MS_W (working traffic to working line)

−

Clear

Technical Manual

Hardware Protection 1:N Protection for electrical 2 Mbps interfaces SURPASS hiT 7035 Extension Shelf supports an optional 1:N (N=1 to 4) protection for the 2 Mbps PDH interface cards. The automatic protection switching related information coming from the 63× E1 working board (or protection board) is sent to the system controller unit (SC). When an E1 1: N protection related defect is reported on the 63× E1 working board (or protection board) and correlated by software as a valid Protection Switch Request (PSR), the SC initiates a switch to the protection board (or the working board). As a result, the customer traffic will be forwarded through the protection bus to the protection card. The switch matrix will then select the traffic from the protection card.

4.6.2.2

Switch Fabric and Clock Unit Protection In SURPASS hiT 7035 Extension Shelf the SETS is integrated as a module inside the switch fabric card. Every NE can always be equipped with working and protection matrix/clock cards. All the transmission functions and information within the working switching fabric will be duplicated and stored within the protection switching fabric, so that in case of failure, the protection switching fabric will take over the task of the defect switching fabric without any major delay. From the SETS point of view, the working card will be configured as a master and synchronized to a reference source, while the protection card will be operating as a slave and synchronized to the working card. In the event of failure of the working card, the protected card will take over the synchronization function from the defect card.

4.7

Operating Terminal TNMS-M SURPASS hiT 7035 Extension Shelf LCT Network elements can be operated and monitored via the software TNMS-M SURPASS hiT 7035 Extension Shelf LCT software. The TNMS-M SURPASS hiT 7035 Extension Shelf LCT is used primarily for local management and commissioning of network elements. The LCT is connected via the Management Interface and allows for access to network element locally or remotely.

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Information SURPASS hiT 7035 Extension Shelf 4.0

For further information about operation, control and monitoring via operating terminals TNMS-M SURPASS hiT 7035 Extension Shelf LCT; see TNMS-M SURPASS hiT 7035 Extension Shelf LCT User Manual.

4.8

Connection to Network Management Systems In TNMS-M, the Extension Shelf is related to the Main Shelf and is represented as a single NE in TNMS-M layer. TNMS-M detects all above premise conditions of the Extension Shelf automatically, as well as prompting the service provision of the Extension Shelf. Fig. 4.7 shows the integration of SURPASS hiT 70xx serials Main Shelf with Extension Shelf in the TMN system. The access from TMN to NE is fulfilled via SNMP over TCP/IP (direct access) and SNMP over TCP/IP/PPP, TCP/IP/HDLC, or TCP/IP/OsiLight (via dedicated SOH channels within traffic links – DCCM or DCCR) interfaces.

TMN (Telecommunications Management Network) EM (Element Manager)

SNMP over TCP/IP

Main Shelf

IP over PPP or HDLC

Extension Shelf

F

LCT

Fig. 4.7

22

Embedding of SURPASS hiT 7035 Extension Shelf in a TMN System

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5 Components of the SURPASS hiT 7035 Extension Shelf This chapter explains SURPASS hiT 7035 Extension Shelf main system components. Fig. 5.1 gives a first overview.

System SURPASS hiT 7035 Extension Shelf

Hardware

SW Package

TNMS-M 7035 ES LCT

ETS System Rack

TNMS-M 7035 ES LCT SW

SURPASS hiT 7035 ES Subrack

TNMS-M 7035 ES LCT HW

SC PWR FAN CC + 1× STM4

1) 1)

Can be equipped with various pluggable optical transceiver modules (SFP)

63 × E1 (W/P)

Fig. 5.1

5.1

Overview of the System Components

Subrack and Slot Arrangement The SURPASS hiT 7035 Extension Shelf includes one subrack and all cards are front pluggable. The SURPASS hiT 7035 Extension Shelf consists of 1 SC slot, 2 power slots, 2 cross-connect slots (long card slots), 1 SI slot, 5 traffic slots and 4 I/O slots which can be flexibly configured for interface cards usage. The subrack layout is shown below (Fig. 5.2) and cards availability for each slot is described in Tab. 5.1.

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LC7

LC8

LC9

LC10

LC11

PWR1

PWR2

LC3

LC4

LC5

CC1

CC2

SC

IO7 IO 4

LC2

IO6 IO 3

LC6

IO5 IO 2

LC1

SI

Information SURPASS hiT 7035 Extension Shelf 4.0

IO 1

Technical Manual

FAN

Fig. 5.2

Subrack Slots

SLOT

SC CC1 LC1 LC6 LC IO1 IO5 IO6 IO7 SI PWR F A 1 to to to 10 to N to CC2 LC5 LC9 to IO4 PWR LC 2 11

Interface SC √ PWR FAN CC + 1×STM-4 63×E1(W/P) 63×E1 IO Tab. 5.1

√ √ √ √

Max. number of modules

1 2 √ 1 2 5(1:4 protection) 4

Subrack Slot Arrangement and Allowable Cards

i

Note 1: Slots SI, LC6 to LC11 and IO5 to IO7 are reserved for future use.

i

Note 2: Slots LC1 to LC5 and IO1 to IO4 are devoted to 63 x E1 interface cards with 1:N (N=4)protection application.

5.2

List of Cards Supported SURPASS hiT 7035 supports following cards:

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Card Name PWR FAN SC CC + 1×STM4

Explanation 1× -48V (range −40V ~ −72 V) power supply Fan unit System controller Cross-connect and timing function card with one STM-4 optical line interface 63×E1 (W/P) 63× E1 electrical interface card with up to 1:4 protection function 63×E1 IO 63× E1 electrical interface card Tab. 5.2 Overview of SURPASS hiT 7035 Extension Shelf Release 4.0 Cards For more detailed information about the modules/cards see the following chapters.

5.3

Power Supply Card: PWR The power supply card supports -48V (range −40V ~ −72 V) DC power. It converts the input supply voltage into regulated operating secondary voltages. The outputs are isolated from the input. All output circuits have a common reference point, which is connected to the grounding layers on the backplane. There is one green LED labeled PWR on the module. LED ON indicates that the corresponding power supply is on; otherwise the power supply is off. The power supply card is a pluggable module and is hot swappable. The SURPASS hiT 7035 Extension Shelf supports dual –48V DC power supply. There are two power supply slots located on the slot PWR1 and slot PWR2. One power supply card can be equipped in any one of the power supply slots to support the whole system. Faceplate:

Fig. 5.3

Power Card Faceplate

LEDs: LED Name Power Fault Tab. 5.3

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Color Green

Status ON

OFF ON Red OFF Power Card LEDs

Functional Description Power is on. Power is off. There are fault conditions presented in this card This card is in normal condition

25

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5.4

Information SURPASS hiT 7035 Extension Shelf 4.0

Fan Tray SURPASS hiT 7035 Extension Shelf has one fan tray to support subrack cooling. The fan tray is equipped with 4 fans and is located at the right bottom of the subrack. The fan tray is replaceable when the system is in service. Faceplate:

Fig. 5.4

5.5

Fan Tray Faceplate

System Controller Card: SC Function: The SC card performs system control function. The SURPASS hiT 7035 Extension Shelf system supports a single system controller. The system controller is equipped in SC slot to manage the whole system. Faceplate:

Fig. 5.5

System Controller (SC) Card Faceplate

External Interfaces:

Interface CONSOLE MGMT Tab. 5.4

Description RS232 interface, DB9 connector, local configuration interface RJ45 connector, 1× 10/100M Base-T management interface System Controller (SC) Card Interface

Note: MDI MDO ALM and EOW Interfaces are not supported, but reserved for future use. LEDs:

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Name

Color

ACTIVE

Green

PWR

Green

FAULT

Red

CR

MJ

MN

Tab. 5.5

5.6

Red

Orange

Technical Manual

Status

Functional Description

ON

This module is in the active mode

OFF

This module is in the standby mode

ON

Power is available to the system.

OFF

Power is off

ON

There are fault condition on this module

OFF

There is no alarm on this module

ON

One or more critical alarms are present.

Flashing

One or more critical communication alarms are present, or any card is mismatch or faulty (Major alarm LED will flash at the same time).

OFF

No critical communication alarms are present, and card/system is in service.

ON

There are one or more major alarms present.

Flashing

Yellow

When any optional service card is mismatch or faulty, Major alarm LED and Critical alarm LED will flash at the same time.

OFF

No major alarms.

ON

There are one or more minor alarms present. No minor alarms

OFF

(Note: warning and indeterminate alarms won’t turn the LED on.)

SC Card LEDs

Cross-connect and Timing Card with STM-4 Optical interface: CC + 1×STM-4 This CC + 1×STM-4 card provides a fixed cross-connect function, timing function as well as 1×STM-4 optical interface. The fixed cross-connections between 2Mbit/s and STM-4 correspond to each other, but can not be modified or deleted from the LCT. The CC+1xSTM-4 cards support 1+1 hardware protection and should be installed in slots CC1 and CC2 only. The following sections describe their functions.

5.6.1

Cross-connect Architecture and Capacity This fixed switching device provides a non-blocking square structured matrix with 1008 x 1008 VC12 capacity which is able to support 252 × E1 added and drop simultaneously. The SURPASS hiT 7035 cross-connect structure is shown below.

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LC1

CC1

LC2

CC2

LC3

Fixed 2.5G CC: 1008 x1008 VC12s (1+1)

LC4 LC5 SC

622M 155M

Fig. 5.6

5.6.2

CC Card Cross-connect Architecture - 2.5G CC

Timing Function System will pick up the STM-4 optical line inputs as the timing source automatically. The timing source will not display on the TNMS-M system, but users can view the timing reference information by using the LCT. The only System Timing Reference is the STM-4 Optical Network Interface. The synchronous mode of the SURPASS hiT 7035 Extension Shelf is always “Auto”. If all of the reference sources fail, the system switches to holdover mode.

5.6.3

STM-4 optical Interface The 2.5G CC provides a 1×STM-4 optical interface. This interface is fully compliant with ITUT G.707 and G.957 standards. The current optical line interface on the CC card uses SFP（Small Form-Factor Pluggable） with different SFP types for different transmission distance applications. The optical line interfaces also support the ALS (Automatic Laser Shutdown) function, and support optical performance monitoring including bias current, input and output optical power. External Interfaces Interface STM-4 Optical Interface

Description LC connector STM-4 SFP options:

Tab. 5.6

28

-

STM-4 (L4.2 80Km)

-

STM-4 (L4.1 40Km)

STM-4 (S4.1 15Km) 1× STM-4 Interface on CC Cards

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5.6.4

Technical Manual

CC Card Faceplate and LEDs

Fig. 5.7

CC + 1xSTM4 Card Faceplate

LEDs LED Name

PWR

Status

Description

ON

Power is available to the card. It indicates the presence of the internal power supply after the power conversion.

OFF

Power is not available due to broken power converter or external power cable or connector.

ON

The card is in working state

OFF

The card in standby state

ON

There are fault conditions presented in this module

OFF

This module is in normal condition

ON

Optical link is normal

OFF

Optical link is off

Green

ACT

Green

FAULT

Red

LINK

Green

Tab. 5.7

5.7

Color

CC Card LEDs

Electrical 2 Mbit/s Interface Card 63× E1 (W/P), 63× E1 IO Function The 63× E1 interface module contains the following two long cards: 1)

63× E1 (W/P) Function card. This card provides ITU-T G.707 asynchronous mapping of E1 signal into a VC-12 container.

2)

63× E1 IO Interface card. This card is connected with 63× E1 (W/P) card to provide 63 E1 interfaces using nine 5×6 2mm connectors. Each E1 interface is a 2.048Mbits/s electrical interface and is in compliance with the ITU-T G.703 standard. Two different card types for balanced 120 Ohm or unbalanced 75 Ohm signal lines are available for this module.

The 63× E1 (W/P) and 63× E1 IO card work together to provide 63× E1 interface functionality with up to 1:4 protection. The 1:4 protection group supports up to 252 E1 ports. (see Fig. 5.8)

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Back Plane

LC5

LC1

LC2

LC3

LC4

IO1

IO2

IO3

IO4

63× E1 Protection

63× E1 Working

63× E1 Working

63× E1 Working

63× E1 Working

63× E1 IO

63× E1 IO

63× E1 IO

63× E1 IO

63× E1

63× E1

63× E1

63× E1

Fig. 5.8

63× E1 Card (1:4 Protection)

In normal conditions, the IO cards connect to working cards. If one of the working cards fails, the corresponding IO card will immediately switch to the protection card. The SURPASS hiT 7035 Extension Shelf chassis supports 1:1, 1:2, 1:3 or 1:4 63× E1 module protection groups. The 63× E1 protection card is always located in slot LC5, and the 63× E1 working cards can be installed in any slots from LC1 to LC4. The 63× E1 IO cards are installed in slot IO1~IO4. Their locations must obey the configuration rules described below: 63× E1 IO

63× E1 Working

IO1

LC1

IO2

LC2

IO3

LC3

IO4

LC4

Tab. 5.8

63× E1 Protection

LC5

63× E1 Protection Group Configuration Rule

Each port can support retiming function, retiming function can be enabled or disabled based on per port.　 Faceplate

30

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Fig. 5.9

63× E1 (W/P) Card Faceplate

Fig. 5.10

63× E1 IO (75 Ohm) Card Faceplate

Fig. 5.11

63× E1 IO (120 Ohm) Card Faceplate

E1 Interfaces Interface

Description Using 5×6 2mm Connectors: E1 Interface, Electrical, 1-7, 8-14, 15-21; 22-28, 29-35, 36-42; 43-49, 50-56, 57-63 120 Ohm, balanced Transmission distance: 0 to 730m (-15dB receiving sensitivity) Using 5×6 2mm Connectors: E1 Interface, Electrical, 1-7, 8-14, 15-21; 22-28, 29-35, 36-42; 43-49, 50-56, 57-63 75 Ohm, unbalanced Transmission distance: 0 to 535m (-15dB receiving sensitivity) Tab. 5.9 63× E1 IO Card Interfaces LEDs Name

Functional Description Power is available to the card. It indicates the presence ON of the internal power supply after the power conversion. PWR Green Power is not available due to broken power converter or OFF external power cable or connector. ON The card is in working state ACT Green OFF The card in standby state ON There are fault conditions presented in this module FAULT Red OFF This module is in normal condition Tab. 5.10 63× E1 (W/P) Card LEDs

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Status

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6 System Control and Monitoring In addition to the payload signals, control, monitoring and customer-specific data signals can be transferred in the section overhead of the STM signals. To ensure high operational safety, operation is continuously monitored by a network management system or by an operating terminal. Network elements not connected to an operating terminal still give information about the operational state (for support in the case of maintenance work) via built-in indication elements (see Chapter 6.1). System control and monitoring are performed by the ‘System Controller’ (SC). The MSC communicates with the traffic cards via different internal interfaces. The equipment provides an SNMP/TCP/IP over Ethernet interface to the connect to the Local Craft Terminal (LCT). The equipment also provides a management interface to a LCT. For feature enhancements or debugging, software download is possible for all units of the system. During download, the traffic is not affected. The SURPASS hiT 7035 Extension Shelf is integrated in the following management functions in conformity with the corresponding ITU-T Recommendations and ETS standards: – Fault Management –

Configuration Management

–

Performance Management

–

Security Management

The following are of particular importance: – Alarm processing (e.g. AIS, FTP) for localizing faulty equipment in the transmission network. –

Fault diagnosis at the card level (e.g. localizing a faulty card).

–

Specifying and storing configuration data. This can be entered and requested by the network management system or the LCT.

–

Determining the quality parameters according to the ITU-T Recommendation G.826.

–

Administration of the access authorization in the LCT for various user classes with passwords.

General Fault Management Functions Fault Management is concerned with the detection, localization, isolation, and reporting of failures of the transmission signals processed by the SURPASS hiT 7035 Extension Shelf and of its equipment. The failures and the failure processing are differentiated in two failure classes: Transmission Failures and Equipment Failures. In addition to these two failure categories, the SURPASS hiT 7035 Extension Shelf supports external alarm contacts, which can be used for signaling any kind of failure. Failures are reported via the management interface and may also lead to alarm indications at the LCT (card indications, NE indications, and transport functions indications).

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The tasks of the fault management functions are listed below: – Detect anomalies

6.1

–

Derive defects by eliminating spurious anomalies and to report some of them to the fault management function

–

Trigger automatic maintenance actions (AIS insertion, Laser shutdown, etc)

–

Perform alarm reduction through correlation of defects

–

Perform further alarm reduction through adjustable persistence checks

–

Time stamp alarm events using the real system time clock

–

Issue spontaneous alarm event notifications to the LCT/OS

–

Prevent the report of unwanted alarm event notifications according to configurable alarm forwarding

–

Report alarms to the local alarm system

–

Indicate the fault states of replaceable units

–

Store alarm events and the alarm states in the current problem list for later retrieval

–

Support fault location for diagnosis and maintenance assistance.

Indicating and Operating Elements of the Network Element Indication elements (LEDs) on the cards are a useful aid, particularly if neither a Local Craft Terminal (LCT) nor a network management system has been connected to the SURPASS hiT 7035 Extension Shelf equipment when an alarm occurs. The LEDs signal alarms at subrack and card level.

6.1.1

Operating Devices of the SURPASS hiT 7035 Extension Shelf In the SURPASS hiT 7035 Extension Shelf Subrack, there is a ‘ACO’ key for manual acknowledgment of the alarm messages.

6.1.2

Operating and Display Elements of the Cards LED Displays of the Cards To assist in maintenance work, there are two LEDs on the front of each card which are visible. – A red FAULT LED to indicate card-internal alarms. –

A green PWR status LED to indicate card power supply status.

–

In additionally to the red and the green LEDs which have the same behavior as on other cards, the Ethernet cards contain yellow and green LEDs for each port giving information about Link Status and Link Activity to the operator and service technicians.

Operating Elements of the Cards No hardware settings have to be made on the printed circuit boards of the cards. The cards are configured by software commands from the operating terminal or from a network management system when commissioning or in the case of later changes.

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Help

Configuration of the cards using software is explained in the TNMS-M SURPASS hiT 7035 Extension Shelf LCT Use Manual and in online help.

6.2

Control and Monitoring by TNMS-M Network Management System Like other components of the SURPASS product range, the hiT 7035 Extension Shelf is integrated to other units through a central network management system, the TNMS-M. The TNMS-M network management platform consists of the following components: – TNMS-M SURPASS hiT 7035 Extension Shelf LCT (Local Craft Terminal) –

TNMS-M (Sub-Network Management System)

TNMS-MSURPASS SURPASS TNMS-M hiT 7035 Extension hiT 7035 Extension Shelf LCT Shelf LCT

TNMS-M --TNMS-M

SNMP over TCP/IP

SNMP over TCP/IP

Sub-network

hiT 7035 Extension Shelf

Fig. 6.1

6.2.1

TCP/IP/ PPP/DCC

hiT 70xx Main Shelf

hiT7035 7035 hiT ExtensionShelf Shelf Extension

Embedding of SURPASS hiT 7035 NEs in a TMN System

TNMS-M SURPASS hiT 7035 Extension Shelf LCT The access to the Network Elements via operating terminals is enabled by TNMS-M SURPASS hiT 7035 Extension Shelf LCT Software installed on the Craft Terminal. The TNMS-M SURPASS hiT 7035 LCT (Local Craft Terminal) is an element management system (EMS) with a graphical interface. The LCT can manage any single NE via the DCC or DCN. The LCT supports SNMP and can be connected to hiT 7035 network elements via a network interface (Ethernet) located at the system management interface panel. The complete SURPASS hiT 7035 Extension Shelf LCT software consists of the following components: −

Window 2000 or Window XP operation system;

−

SURPASS hiT 7035 Extension Shelf LCT software package.

For details on SURPASS hiT 7035 Extension Shelf LCT software components, see the SURPASS hiT 7035 Extension Shelf LCT User Manual.

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6.2.2

Technical Manual

TNMS-M The TNMS-M provides both element management and sub-network management functions. It is compliant with the ITU-T FCAPS function and extends these functions to the subnetwork level. The TNMS-M not only provides SDH layer management functions, but also supports the management of Ethernet, RPR, and ATM services, as well as other data interfaces．The TNMS-M offers a TMF814 northbound CORBA interface to interact with the TNMS-Core. More detailed TNMS-M information is provided below: TNMS-M Architecture TNMS-M is based on a distributed client, server and database architecture. The implementation technology is independent of operating systems, which enhances system compatibility. The modular software design allows the TNMS-M to provide integrated management of SDH, ATM, RPR, and Ethernet/IP networks in one platform and enables scalability for introducing additional new technologies. The TNMS-M allows multiple TNMSM clients to manage the same network at the same time. Management at the Network Management Level by The TNMS-M or other higher-level network management system can be reached via the TMF814 northbound CORBA interface of the TNMS-M. Element Management Function TNMS-M offers an advanced graphical interface to facilitate the configuration of each NE. Operations on NEs are shown directly on a graphical chassis view. A graphical interface of the NE shows modules and ports, which directly correspond to the real ones being managed. This gives the operator real-time status information, facilitating the management process. TNMS-M provides standard-based TMN capabilities, including – Fault Management –

Configuration Management

–

Performance Management

–

Security Management

–

System Administration

Network Management Function TNMS-M provides layered management capabilities. Networks and services of different technologies (TDM, ATM, RPR, Ethernet, etc.) carried over the same MSTP platform can be managed and optimized independently through graphical management interfaces, appearing as if they were independent networks. One network of MSTP equipment will appear to the user as three different networks: an SDH network, an IP/Ethernet network, and an ATM network. The TNMS-M offers a total view of the managed MSTP network elements. It provides many sophisticated network level functions in a user-friendly fashion. Graphical End-to-End Provisioning and Maintenance

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TNMS-M supports multi-service (TDM, ATM, RPR, Ethernet, etc.), graphical, end-to-end, and fast service provisioning. This makes the creation, maintenance and management of services significantly simpler for the operators Utilization statistics of network resources and bandwidth This helps service providers optimize their networks by discovering potential bottlenecks Topology Management TNMS-M provides a variety of network topology information. For instance, the SDH synchronization topology enables direct view and real-time monitoring of the timing status and timing relationship between NEs. The TNMS-M shows the topology map with different icons to indicate different types of NEs and by using different lines to indicate different bandwidth and various other user-friendly features. Correlation Analysis Among Circuits, PM Data, and Alarms Provides intelligent alarm correlation analysis to enhance trouble-shooting. Network Elements Auto-Discovery and Network Auto-Construction For details on TNMS-M software components, see the TNMS-M User Manual.

6.3

Management System Protection TNMS-M provides the following mechanisms to ensure system and data security:

(1)

Database backup and recovery The TNMS-M is designed to allow operators to select the database back up as either a backup per request, or to perform backups periodically (using pre-defined tasks). All backups will be maintained in the backup table. Operators can retrieve any backup copies as needed. The database backup tool can work independently of the network management system. This feature ensures that even if the network management system does not run, the database can still be backed up in time.

(2)

MIB backup and recovery A copy of the MIB in an NE can be transmitted to and saved at the SNM or kept in the NE. When the MIB fails, the backup copy of the MIB can be downloaded to the NE for use. The TNMS-M provides the switch over from the current MIB to the backup MIB. The system provides a separate MIB backup tool (integrated with database backup tool), which can do periodic backup and management.

(3)

NE software recovery The TNMS-M supports remote NE software download and switch over between NE software loads.

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6.4

Technical Manual

NE Software The SURPASS hiT 7035 Extension Shelf software architecture is highlighted below.

TNMS-M, or TNMS-M SURPASS hiT 7035 Extension Shelf LCT

SURPASS hiT 7035 Extension Shelf

SNMP Agent

Application Management Module MIB

Hardware Drivers

Real-time, Multi-Task Operating System (VxWorks)

Fig. 6.2

6.4.1

SURPASS hiT 7035 Software Architecture

Application Management Module The application management module is the application layer software in the embedded software system. Its main function is to fulfill configuration management and monitoring for the NE. Via standard SNMP protocol, the application management module can intercommunicate with the network management system, fulfill cross-connect management, service protection configuration, performance monitoring, and alarm surveillance. The application management module can be divided into the following sub-management system functions: – CC (Cross-connect) module –

FM (Fault management) module

–

PM (Performance management) module

–

TM (Timing management) module

–

IFM (Interface management) module

–

Data management module

–

MSP service protection module

Each software sub-system can be divided into two layers; Manager and Agent. The main function of the Manager is to receive requests from the network management system, and then convert them into operating commands, which will be sent to the Agent. The Agent then receives operating commands from the Manager, and fulfills the configuration function via

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the interface provided by the hardware driven module. In addition, the Agent is in charge of collecting hardware information (for example, hardware failure and performance statistics), and sending them to the Manger. After related processing, the Manager converts this data into information the network management software can read and sends it to network management software.

6.4.2

Hardware Driver Modules The SURPASS hiT 7035 Extension Shelf hardware includes many integrated circuit chipsets. Hardware driven modules control these chipsets. The hardware driven modules provide the access interface between the hardware and the higher layer software (the application management module). The main functions of hardware driven modules include: – Hardware initialization

6.4.3

–

System auto testing

–

Hardware configuration

–

Interruption service

–

Hardware information inquiring

–

Alarm/Performance monitoring data collection and reporting

Real-Time Multi-Task Operation System The embedded software in the SURPASS hiT 7035 Extension Shelf was developed using the high performance VxWorks real time operating system. VxWorks is a reliable embedded software platform. It includes a high performance real time kernel, which supports preempting multi-task scheduling based on priority. It also includes task management, timing management, storage management, resource management, event management, resource management, message management, queue management and semaphore management. These basic functions offer powerful support for rapid, reliable application development.

6.4.4

SNMP Agent The SURPASS hiT 7035 Extension Shelf embedded software includes a standard SNMP agent module. The SNMP agent is responsible for responding to all EMS/SNM requests including information requests and action requests. It will also automatically generate event reports to the EMS/SNM. The SNMP communication protocol includes 3 operations: Get, Set, and Trap. Through these 3 combined operations, the SNMP Agent can fulfill all configuration management and alarm monitoring functions by communicating with the MIB in the NE. The intercommunication process among the SNMP Agent, the MIB management module, and the application management module is as follows: the SNMP Agent receives requests from network management software, and then sends these requests to the MIB management module. When the MIB management module receives requests it will cause the application management module to do the related operations. At the same time, hardware driven modules and some application management modules may generate related events and data, which will be needed to report to network management software. This information will be sent to the network management software via the application management module invoking interfaces provided by the SNMP Agent and transmitting them by Trap.

38

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6.4.5

Technical Manual

MIB Management Module The MIB management module is the interface of the management information database in the embedded software system of the SURPASS hiT 7035 Extension Shelf. The MIB includes all configuration information and real time monitoring information in the NE. This information is managed by the MIB management module uniformly to accomplish information storage, recovery, retrieval, modification, and notification functions.

6.5

Management Protocols and DCC The TNMS-M or TNMS-M SURPASS hiT 7035 Extension Shelf LCT uses SNMPv2 protocols to communicate with SURPASS hiT 7035 ESs. The SURPASS hiT 7035 Extension Shelf system uses TCP/IP over the SDH data communication channels (DCC) or Ethernet LAN (RJ-45 connector) to provide a local or remote craft interface for management and monitoring. The SURPASS hiT 7035 Extension Shelf supports the following DCC channels: –

Multiplex Section DCC (D4-D12 bytes)

–

Regeneration Section DCC (D1-D3 bytes)

In the SURPASS hiT 7035 Extension Shelf, DCC is supported on the two STM-4 interfaces. TNMS-M or TNMS-M SURPASS hiT 7035 Extension Shelf LCT enables the users to select which DCC is used on each STM-N interface. TNMS-M supports TMF 814 CORBA northbound interface.

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Information SURPASS hiT 7035 Extension Shelf 4.0

7 Commissioning and Maintenance 7.1

Commissioning If the SURPASS hiT 7035 Extension Shelf has to be configured on initial commissioning, a Local Craft Terminal (LCT) has to be connected to the Ethernet interface of the hiT 7035 Extension Shelf. The hardware and software requirements at the craft terminal are described in the SURPASS hiT 7035 Extension Shelf LCT User Manual. The craft terminal offers a graphical, menu-driven user interface. Detailed information for commissioning the SURPASS hiT 7035 ES equipment and the operating terminals is given in the SURPASS hiT 7035 Extension Shelf Installation and Test Manual.

7.2

Maintenance The system provides sufficient alarm information to localize and clear the fault at card level. No maintenance at regular intervals is required. Maintenance measures (e.g. fault localizing) can be carried out locally via the local management interface (LCT/TNMS-M) or under remote control via the TCP/IP over DCC (LCT or a network management system). Maintenance of the SURPASS hiT 7035 ES equipment is described in the SURPASS hiT 7035 Extension Shelf Troubleshooting Manual and in the online help system.

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8 Technical Data 8.1 8.1.1

Traffic Interfaces Optical STM-4 Interfaces 622.080 Mbit/s

Unit

S-4.1

L-4.1

L-4.2

15

40

80

km

Distance variant

User class as per ITU-T G.957 Kbit/s

Bit rate

622 080

nm

Optical wavelength range

1274 to 1356

1280 to 1335

Code

1480 to 1580

Binary (NRZ)

Transmitting side Laser type.

................

MLM

SLM

SLM

nm

≤ 2.5

n.a.

n.a.

nm

n.a.

≤1

≤1

........

dB

n.a.

≥ 30

≥ 30

..........

dB

≥ 8.2

≥ 10

≥ 10

dBm

-15 to -8

-3 to +2

-3 to +2

Laser class 1

Laser class 1

Laser class 1

PIN

PIN

PIN

dBm

-28

-28

-28

dBm

-8

-8

-8

dB

n.a.

-14

-27

Spectral width Root Mean Square.

..........

Measured 20 dB below max. level) Side mode suppression. Extinction ratio value.

Launched power (at point S acc. To ITU-T G.957)

...............

Maximum launched power in fault condition (at point S) acc. to.

.....

Receiving side Receiving diode. . . . . . . . . . . . Minimum Receiving Sensitivity for -12 (BER ≤ 10 ) . . . . . . . . . . . . . Minimum Overload

..

..........

Maximum reflectance of receiver (at point R)

. . . . . . . . . . . . . . . ..

Fiber behavior Fiber type.

Single mode

................

(acc.

Permissible dispersion.

. . . . . . . ..

Path penalty by dispersion.

. . . . . ..

to

Single mode ITU-T

(acc.

to

Single mode ITU-T

(acc.

to

G.652)

G.652)

G.652)

ps/nm

74

n.a.

n.a.

dB

≤1

≤1

≤1

10 to 24

10 to 24

ITU-T

Permissible section attenuation at max. dispersion .

Tab. 8.1

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............ dB 0 to 12 STM-4 Port 1300nm / 1550nm

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8.1.2

Information SURPASS hiT 7035 Extension Shelf 4.0

Electrical 2 Mbit/s Interfaces Bit rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 048 kbit/s Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HDB3 Frequency tolerance . . . . . . . . . . . . . . . . . . . . . . . . . ± 50 ppm (input) Permissible cable attenuation at 1024 kHz . . . . . . . . 0 dB to 6 dB Nominal impedance (input and output) acc. to ITU-T G.703. . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Ω (unbalanced) or 120 Ω (balanced), (Depending on hardware type) Return loss 51 kHz to 102 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . > 12 dB (in), > 6 dB (out) 102 kHz to 2 048 kHz . . . . . . . . . . . . . . . . . . . . . . . . . > 18 dB (in), > 8 dB (out) 2 048 kHz to 3 072 kHz . . . . . . . . . . . . . . . . . . . . . . . > 14 dB (in), > 8 dB (out)

8.2 8.2.1

Control Interfaces SNMP/TCP/IP/Ethernet for Network Management System Bit rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 10/100 Mbit/s Plug connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RJ45

8.3 8.3.1

Signaling Interfaces Fault Indication and Services Status LEDs SC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 LED (green) power 1 LED (red) FAULT 1 LED (green) ACT 1 LED (red) Critical 1 LED (red) Major 1 LED (red) Minor Optical Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 LED (green) power 1 LED (red) FAULT

IO Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42

1 LED (green) power

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8.4

Switching and Delay Times

8.4.1

MSP Line Protection Switching

Technical Manual

Switching time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . acc. to ITU-T G.841 External switch requests . . . . . . . . . . . . . . . . . . . . . . manual switch, lockout, forced, clear Internal switch requests . . . . . . . . . . . . . . . . . . . . . . . SF (from LOS, RS-LOF, RS-TIM, MS-AIS, MS-EXC) SD (from MS-DEG) Switching type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . bidirectional (dual-ended) Wait-to-restore time (for revertive operation) . . . . . . . 300 second Operation type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . revertive

8.5

Power Supply Input DC voltage (acc. to ETS 300 132-2) . . . . . . . .

–48 V (Range −40V ~ −72 V)

Power consumption (worst case equipped) . . . . . . .

about 260 W

Maximum power consumption of cards: PWR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 W FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 W SC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W CC + 1× STM- 4. . . . . . . . . . . . . . . . . . . . . . . . . . . 20 W 63× E1 (W/P). . . . . . . . . . . . . . . . . . . . . . . . . . . .

20 W

63× E1 EC (120 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . 3 W 63× E1 EC (75 Ω) . . . . . . . . . . . . . . . . . . . . . . . . .

8.6 8.6.1

3W

Environmental Conditions Climatic Conditions Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019-1-3 Class 3.1e Long term Temperature . . . . . . . . . . . . . . . . . . . .

-5oC ~ 45 oC

Long term Relative Humidity . . . . . . . . . . . . . . . .

10% ~ 90% (40 oC )

Short term Temperature . . . . . . . . . . . . . . . . . . . .

-10 oC ~ 50 oC

Short term Relative Humidity. . . . . . . . . . . . . . . .

5% ~ 95% (40 oC )

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019 Class 1.2 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .

-20 oC ~ 60 oC

Relative Humidity. . . . . . . . . . . . . . . . . . . . . . . . .

2% ~ 98%

Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019 Class 2.3 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .

-20 oC ~ 60 oC

Relative Humidity. . . . . . . . . . . . . . . . . . . . . . . . . 2% ~ 98%

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8.6.2

Information SURPASS hiT 7035 Extension Shelf 4.0

Electromagnetic Compatibility EMC Electromagnetic immunity in compliance with. . . . . . ETS 300 386-1 v1.3.1 Conducted Emission DC-power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 386-1 (corresponds with EN 55022 class B for 0.15 to 30 MHz) Telecom ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CISPR 22 (1997), Class A Electromagnetic emission in compliance with . . . . . . EN 55022 Class A Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . EN 61000-4-2, Level 4 Radiated Immunity . . . . . . . . . . . . . . . . . . . . . . . . . . EN 61000-4-3, Level 2 Electrical Fast Transients - DC Ports. . . . . . . . . . . . . . EN 61000-4-4, Level 1 Electrical Fast Transients - Telecom Ports . . . . . . . . . EN 61000-4-4, Level 2 Surges - Indoor Telecom Ports. . . . . . . . . . . . . . . . . . EN 61000-4-5, Level 1 Continuous Wave (all ports) . . . . . . . . . . . . . . . . . . . . EN 61000-4-6, Level 2

8.7

Dimensions in mm Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

600 × 2200 × 240 (W×H×D)

Subrack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 × 486 × 240 (W×H×D) Cards: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (W × H) PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245.1 × 51.8 SC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6 CC + 1× STM-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6 63× E1 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6 63× E1 IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329.1 × 32.6

8.8

Weights in kg Rack according to ETSI . . . . . . . . . . . . . . . . . . . . . . . 43.0 Subrack (unequipped): . . . . . . . . . . . . . . . . . . . . . . . . 13.2 Cards: PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.339 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.425 SC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.521 CC+ 1× STM-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.495 63× E1 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.547 63× E1 IO (75 Ohm). . . . . . . . . . . . . . . . . . . . . . . . . 0.700 63× E1 IO (120 Ohm). . . . . . . . . . . . . . . . . . . . . . . . 0.777

44

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Technical Manual

9 Abbreviations 1000BaseLX 1000BaseSX 1000BaseTx ADM AIS ALS ATM AU AUG B3ZS CC CMI CPE DC DCC DCCM DCCR DEG EM EMC EN EOW ETS ETSI F FAULT FCS FE FO FTP GBE GBR GFP GUI GUIMN HBT HDLC HEC HO HW IEC IP ITMN ITU-T LAN LBT LCT LED LLC LO LOF LOS

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Gigabit Ethernet (Optical Interface) Gigabit Ethernet (Optical Interface) Gigabit Ethernet (Electrical Dual Twisted Pair Interface) Add-/Drop Multiplexer Alarm Indication Signal (G.782, G.783) Automatic Laser Shutdown Asynchronous Transfer Mode Administrative Unit (G.782) (G.783) Administrative Unit Group Binary 3 Zero Suppression (Code) Cross-Connect Code Mark Inversion Customer Premises Equipment Direct Current Data Communication Channel DCC Multiplex Section (bytes D4 to D12) DCC Regenerator Section (bytes D1 to D3) Signal Degraded Element Manager Electromagnetic Compatibility European Standard Engineering Order Wire European Telecommunication Standard European Telecommunications Standards Institute Standardized Interface for the Connection to a Local Craft Terminal Fault Alarm LED Frame Check Sequence Fast Ethernet Fiber Optic File Transfer Protocol Gigabit Ethernet Gigabit Ethernet Generic Framing Procedure Graphical User Interface Graphical User Interface Manual High Bandwidth Tributary High-Level Data Link Control Header Error Control High Order (SDH Traffic) Hardware International Electrotechnical Commission Interworking Protocol (G.784) Installation and Test Manual Telecommunication Standardization Sector of ITU Local Area Network Low Bandwidth Tributary Local Craft Terminal Light Emitting Diode Logical Link Control Low Order (SDH Traffic) Loss of Frame (G.783) Loss of Signal (G.783)

45

Technical Manual

Information SURPASS hiT 7035 Extension Shelf 4.0 LP LXC MAC MCF MIB MSP MTS NCT NE OA OH OHX OK opt. OS OSI OSN OSPF PC PDF PDH PoS PRC PWR RS232 SC SD SDH SEMF SETS SFF SFP SNC/I SNCP SNMP SOH SSF SSM STM STM-N SW T0 T1 T3 T4 TCP TDM TED TIF TMN TMX TNMS LCT TSD TSF TU TUG

46

Lockout of Protection Local Cross-connect Media Access Control (ISO/IEC) Message Communications Function (G.782/783/784) Management Information Base Multiplex Section Protection Multiplex Timing Source Network Craft Terminal Network Element Optical Amplifier Overhead Overhead Access and Overhead Cross-Connection Function Service LED optical Operating System Open Systems Interconnection Optical Service Node Open Shortest Path First (IP Protocol) Personal Computer Portable Document Format Plesiochronous Digital Hierarchy Packet over SDH Primary Reference Clock Power Recommended Standard 232 System Controller Signal Degrade (G.783) Synchronous Digital Hierarchy Synchronous Equipment Management Function (G.782) (G.783) Synchronous Equipment Timing Source SF Signal Fail (G.783) Small Form-factor (STM-64 Optical Modules) Small Form-factor Pluggable (Optical Modules) Sub-Network Connection Inherent Monitoring Sub-Network Connection Protection Simple Network Management Protocol Section Overhead (G.782) Server Signal Fail Synchronization Status Message Synchronous Transport Module (G.782/G.783/G.784) Synchronous Transport Module, Level N Software NE-Internal System Clock Pulse Clock Pulse, Synchronizing from STM-N Port Incoming Clock Pulse, Synchronizing from External 2048 kHz Clock Pulse Outgoing, External Synchronous Clock Pulse 2048 kHz Transmission Control Protocol Time Division Multiplex Technical Description Telemetry Interface Telecommunications Management Network (G.782, G.783, G.784) Terminal Multiplexer Telecommunication Network Management System Trail Signal Degrade Trail Signal Failed Tributary Unit Tributary Unit Group

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LED Voltage User Manual Virtual Container Wide Area Network

47

Information SURPASS hiT 7035 Extension Shelf 4.0

Technical Manual

10 Index Ａ

Ｏ

Application Management Module, 37

Optical STM-16 Interface Card 1× STM-16, 28

Ｃ

Ｐ

Climatic Conditions, 43 Commissioning, 40 Control Interfaces, 42 Cross-connect and Timing Card CC, 27 cross-connection capacity, 15

PDH Mapping into SDH Containers, 16 Power Supply Card PWR, 25

Ｄ Dimensions, 44

Ｅ Electrical 2 Mbit/s Interface Card 21× E1, 29 Electromagnetic Compatibility EMC, 44

Ｆ

Ｒ Real-Time Multi-Task Operation System, 38

Ｓ SDH, 15 SDH Overhead Processing Function, 16 SNMP Agent, 38 Subrack and Slot Arrangement, 23 SURPASS hiT 7035 subrack physical appearance, 13 Synchronization, 17 System Controller Card SC, 26

Fan Assembly, 26

Ｔ

Ｈ

Technical Data, 41 TNMS-M, 35 TNMS-M LCT, 34

Hardware Driver Modules, 38

Ｌ Laser Safety Shut-down, 18

Ｍ Maintenance, 40 Management System Protection, 36 MIB Management Module, 39 MSP Protection, 20

Ｕ User Data Interfaces, 15

Ｖ VxWorks, 38

Ｗ Weights, 44

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