Download BTS3900 Installation Guide-(V100_03)...
BTS3900 V100
Installation Guide
Issue
03
Date
2010-05-04
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BTS3900 Installation Guide
Contents
Contents About This Document.....................................................................................................................1 1 Changes in the BTS3900 Installation Guide.........................................................................1-1 2 Preparing for Installation.........................................................................................................2-1 2.1 Preparing Tools and Meters............................................................................................................................2-2 2.2 Qualification of Installation Engineers...........................................................................................................2-2
3 Information About the Installation........................................................................................3-1 3.1 Hardware Structure of the BTS3900 Cabinet (-48 V).....................................................................................3-2 3.2 Hardware Structure of the BTS3900 Cabinet (+24 V)....................................................................................3-3 3.3 Hardware Structure of the BTS3900 Cabinet (220 V)....................................................................................3-4 3.4 Installation Clearance and Position Requirements..........................................................................................3-5
4 Installation Procedure...............................................................................................................4-1 5 Unpacking the Equipment.......................................................................................................5-1 6 Checking the Installed Modules and Cables........................................................................6-1 7 Installing the Base......................................................................................................................7-1 7.1 Installing the Base on the Concrete Floor.......................................................................................................7-2 7.2 Installing the Base on the ESD Floor..............................................................................................................7-5
8 Installing the Cabinet................................................................................................................8-1 8.1 Installing a Single Cabinet Separately............................................................................................................8-2 8.2 Installing Two Cabinets Side-by-Side.............................................................................................................8-5 8.3 Stacking Two Cabinets....................................................................................................................................8-7
9 (Optional) Installing the Modules..........................................................................................9-1 9.1 Installing the GPS Surge Protector..................................................................................................................9-2 9.2 Installing the Optical-to-Electrical Conversion Module and Optical Module................................................9-3
10 Installing the Cables..............................................................................................................10-1 10.1 Cabling Requirements.................................................................................................................................10-2 10.2 Cable Routing Principles.............................................................................................................................10-3 10.3 Installing the Power Cables.........................................................................................................................10-4 10.3.1 Installing the Input Power Cable for the -48 V Cabinet.....................................................................10-5 10.3.2 Installing the Input Power Cable for the +24 V Cabinet....................................................................10-6 Issue 03 (2010-05-04)
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Contents
10.3.3 Installing the Input Power Cable for the 220 V Cabinet....................................................................10-7 10.4 Installing the Transmission Cables.............................................................................................................10-9 10.4.1 Installing the E1/T1 Cables..............................................................................................................10-10 10.4.2 Installing the FE/GE Cable or FE/GE Optical Cable.......................................................................10-11 10.5 Installing the CPRI Cables Between the Cabinets....................................................................................10-13 10.6 Installing the RF Jumper...........................................................................................................................10-14 10.7 Installing the Monitoring Signal Cable for the EMU................................................................................10-16
11 Installation Checklist............................................................................................................11-1 12 Performing the Power-On Check........................................................................................12-1 13 Obtaining the ESN.................................................................................................................13-1
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Figures
Figures Figure 3-1 BTS3900 cabinet (-48 V) in typical configuration.............................................................................3-2 Figure 3-2 BTS3900 cabinet (-48 V) in full configuration..................................................................................3-2 Figure 3-3 BTS3900 cabinet (+24 V) in typical configuration............................................................................3-3 Figure 3-4 BTS3900 cabinet (+24 V) in full configuration.................................................................................3-3 Figure 3-5 BTS3900 cabinet (220 V) in typical configuration............................................................................3-4 Figure 3-6 BTS3900 cabinet (220 V) in full configuration..................................................................................3-4 Figure 3-7 Cabinet installation clearance requirements.......................................................................................3-5 Figure 3-8 Cabinet layout requirements...............................................................................................................3-6 Figure 4-1 Installation procedure.........................................................................................................................4-2 Figure 6-1 Internal power cables..........................................................................................................................6-2 Figure 6-2 Internal signal cables..........................................................................................................................6-4 Figure 7-1 Positioning the cabinet........................................................................................................................7-2 Figure 7-2 Drilling a hole and installing an expansion bolt assembly.................................................................7-2 Figure 7-3 Fixing the base....................................................................................................................................7-3 Figure 7-4 Checking the base level......................................................................................................................7-4 Figure 7-5 Measuring the resistance between the base and the expansion bolt...................................................7-4 Figure 7-6 Support for installing the ESD floor ..................................................................................................7-5 Figure 7-7 Drilling a hole on the ESD floor.........................................................................................................7-6 Figure 7-8 Positions of the access holes in the support and holes in the ESD floor............................................7-7 Figure 7-9 Marking the positions of the mounting holes.....................................................................................7-7 Figure 7-10 Securing the supports for installing the ESD floor...........................................................................7-8 Figure 8-1 Removing the cabinet door.................................................................................................................8-2 Figure 8-2 Installing the cabinet door..................................................................................................................8-3 Figure 8-3 Installing the cabinet...........................................................................................................................8-3 Figure 8-4 Installing the OT terminal in a correct way........................................................................................8-4 Figure 8-5 PGND cable for the -48 V cabinet......................................................................................................8-4 Figure 8-6 PGND cables for the +24 V cabinet...................................................................................................8-5 Figure 8-7 Removing the connecting pieces........................................................................................................8-5 Figure 8-8 Installing the connecting pieces..........................................................................................................8-6 Figure 8-9 Installing the PGND cables and equipotential cable for the -48 V cabinet........................................8-6 Figure 8-10 Installing the PGND cables and equipotential cable for the +24 V cabinet.....................................8-7 Figure 8-11 Removing the rubber screws and connecting pieces........................................................................8-8 Figure 8-12 Removing the cover plate.................................................................................................................8-8 Issue 03 (2010-05-04)
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Figures
Figure 8-13 Securing the cabinet..........................................................................................................................8-8 Figure 8-14 Installing the PGND cable and equipotential cable for the -48 V cabinet........................................8-9 Figure 9-1 Installing the support for the GPS surge protector.............................................................................9-2 Figure 9-2 Installing the GPS signal cable...........................................................................................................9-2 Figure 9-3 Installing the GPS surge protector......................................................................................................9-3 Figure 9-4 Installing the optical-to-electrical conversion module and optical module........................................9-4 Figure 10-1 Cable routing in a single cabinet....................................................................................................10-4 Figure 10-2 Cable routing in stacked cabinets...................................................................................................10-4 Figure 10-3 Installing the -48 V input power cable...........................................................................................10-6 Figure 10-4 Installing the +24 V input power cable..........................................................................................10-7 Figure 10-5 Adding an OT terminals to the power cable...................................................................................10-8 Figure 10-6 220 V AC single-phase power cable..............................................................................................10-8 Figure 10-7 220 V AC three-phase power cable................................................................................................10-9 Figure 10-8 110 V AC dual-live-wire power cable............................................................................................10-9 Figure 10-9 In co-transmission mode...............................................................................................................10-10 Figure 10-10 In separate transmission mode....................................................................................................10-11 Figure 10-11 In co-transmission mode over the electrical port........................................................................10-12 Figure 10-12 In co-transmission mode over the optical port...........................................................................10-12 Figure 10-13 In separate transmission mode....................................................................................................10-12 Figure 10-14 CPRI cable connections between two cabinets installed side-by-side.......................................10-13 Figure 10-15 CPRI cable connections between stacked cabinets....................................................................10-14 Figure 10-16 Installing RF jumpers in a single cabinet...................................................................................10-15 Figure 10-17 Installing RF jumpers in stacked cabinets..................................................................................10-15 Figure 12-1 Power-on check procedure.............................................................................................................12-2 Figure 13-1 Obtaining the ESN..........................................................................................................................13-1
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Tables
Tables Table 6-1 Internal power cable.............................................................................................................................6-2 Table 6-2 Internal signal cables............................................................................................................................6-4 Table 7-1 Height of the support for installing the ESD floor...............................................................................7-5 Table 11-1 Cabinet installation checklist...........................................................................................................11-1 Table 11-2 Installation environment checklist...................................................................................................11-1 Table 11-3 Electric connection checklist of the cabinet.....................................................................................11-2
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BTS3900 Installation Guide
About This Document
About This Document Purpose This document describes installation of the BTS3900 cabinet, boards, modules, and cables. It also provides checklists for hardware installation.
Product Version The following table lists the product version related to this document. Product Name
Product Version
BTS3900
V100R001 V100R002 V100R003
Intended Audience l
Base station installers
Organization 1 Changes in the BTS3900 Installation Guide This chapter describes the changes in the BTS3900 Installation Guide. 2 Preparing for Installation This topic describes the tools and meters that need to be available before the installation. It also describes the skills that the installation engineers must possess, and the requirements that the installation engineers must meet. 3 Information About the Installation BTS3900 cabinets can be classified into -48 V cabinet, +24 V cabinet, and +220 V cabinet. You need to familiarize yourself with the related information and clearance requirements before the cabinet installation. Issue 03 (2010-05-04)
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BTS3900 Installation Guide
About This Document
4 Installation Procedure The BTS3900 cabinets are delivered with boards are installed. The installation procedure involves installing the base, cabinets, and cables on site. In addition, some optional components can be installed on site as required. 5 Unpacking the Equipment You need to unpack and check the delivered equipment and ensure that all the materials are included and intact. 6 Checking the Installed Modules and Cables The internal modules and cables are installed in the cabinet before delivery. You need to check that the modules and cables are securely connected. 7 Installing the Base The BTS3900 cabinet must be installed on the base. The base can be installed on the concrete floor or ESD floor according to the equipment room conditions and customer requirements. 8 Installing the Cabinet The BTS3900 cabinets can be flexibly installed. In different scenarios, a single cabinet can be separately installed and two cabinets can be installed side-by-side or stacked. 9 (Optional) Installing the Modules The mandatory modules in the cabinet are already installed. The optional modules can be installed on site according to different field requirements. 10 Installing the Cables The BTS3900 cabinet is delivered with boards installed, and the internal cables are already installed. Therefore, only the external cables and cables for the optional modules need to be installed on site. 11 Installation Checklist After the cabinets and devices are all installed, you need to check the installation items, installation environment, and cable-related items. 12 Performing the Power-On Check Before the cabinets are powered on and work, you need to check the power-on status of the cabinets. 13 Obtaining the ESN The Electronic Serial Number (ESN) is unique to a Network Element (NE) for identification. The ESN is used during the commissioning of the base station.
Conventions Symbol Conventions The symbols that may be found in this document are defined as follows. 2
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About This Document
Symbol
Description Indicates a hazard with a high level of risk, which if not avoided,will result in death or serious injury. Indicates a hazard with a medium or low level of risk, which if not avoided, could result in minor or moderate injury. Indicates a potentially hazardous situation, which if not avoided,could result in equipment damage, data loss, performance degradation, or unexpected results. Indicates a tip that may help you solve a problem or save time. Provides additional information to emphasize or supplement important points of the main text.
General Conventions The general conventions that may be found in this document are defined as follows. Convention
Description
Times New Roman
Normal paragraphs are in Times New Roman.
Boldface
Names of files, directories, folders, and users are in boldface. For example, log in as user root.
Italic
Book titles are in italics.
Courier New
Examples of information displayed on the screen are in Courier New.
Command Conventions The command conventions that may be found in this document are defined as follows.
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Convention
Description
Boldface
The keywords of a command line are in boldface.
Italic
Command arguments are in italics.
[]
Items (keywords or arguments) in brackets [ ] are optional.
{ x | y | ... }
Optional items are grouped in braces and separated by vertical bars. One item is selected.
[ x | y | ... ]
Optional items are grouped in brackets and separated by vertical bars. One item is selected or no item is selected. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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BTS3900 Installation Guide
About This Document
Convention
Description
{ x | y | ... }*
Optional items are grouped in braces and separated by vertical bars. A minimum of one item or a maximum of all items can be selected.
[ x | y | ... ]*
Optional items are grouped in brackets and separated by vertical bars. Several items or no item can be selected.
GUI Conventions The GUI conventions that may be found in this document are defined as follows. Convention
Description
Boldface
Buttons, menus, parameters, tabs, window, and dialog titles are in boldface. For example, click OK.
>
Multi-level menus are in boldface and separated by the ">" signs. For example, choose File > Create > Folder.
Keyboard Operations The keyboard operations that may be found in this document are defined as follows. Format
Description
Key
Press the key. For example, press Enter and press Tab.
Key 1+Key 2
Press the keys concurrently. For example, pressing Ctrl+Alt +A means the three keys should be pressed concurrently.
Key 1, Key 2
Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn.
Mouse Operations The mouse operations that may be found in this document are defined as follows.
4
Action
Description
Click
Select and release the primary mouse button without moving the pointer.
Double-click
Press the primary mouse button twice continuously and quickly without moving the pointer.
Drag
Press and hold the primary mouse button and move the pointer to a certain position. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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1 Changes in the BTS3900 Installation Guide
Changes in the BTS3900 Installation Guide This chapter describes the changes in the BTS3900 Installation Guide.
03 (2010-05-04) This is the second commercial release. Compared with issue 02 (2009-12-28), this issue incorporates the following changes: l
There are some editorial changes.
l
The context of 8.3 Stacking Two Cabinets is modified.
02 (2009-12-28) This is the first commercial release. Compared with issue 01 (2009-10-15), this issue incorporates the following changes: l
13 Obtaining the ESN is added.
l
7.1 Installing the Base on the Concrete Floor is modified.
l
7.2 Installing the Base on the ESD Floor is modified.
l
8.1 Installing a Single Cabinet Separately is modified.
01 (2009-10-15) This is the initial release.
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2 Preparing for Installation
2
Preparing for Installation
About This Chapter This topic describes the tools and meters that need to be available before the installation. It also describes the skills that the installation engineers must possess, and the requirements that the installation engineers must meet. 2.1 Preparing Tools and Meters You need to prepare the following tools and meters before installation: 2.2 Qualification of Installation Engineers Installation engineers must possess the basic knowledge of safe operation. They should receive the related training, should understand how to operate correctly, and acquire corresponding operation qualification.
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2 Preparing for Installation
2.1 Preparing Tools and Meters You need to prepare the following tools and meters before installation: Marking pen
Phillips screwdriver (M3 to M6)
Diagonal pliers
Flat-head screwdriver (M3 to M6)
Combination wrench (capacity 32 mm)
Socket wrench
Torque wrench
Power cable crimping tool
RJ11 crimping tool
Cable cutter
Rubber mallet
Soldering iron
Wire stripper
Hammer drill (Ø16)
Heat gun
Level
Multimeter
Measuring tape
Vacuum cleaner
2.2 Qualification of Installation Engineers Installation engineers must possess the basic knowledge of safe operation. They should receive the related training, should understand how to operate correctly, and acquire corresponding operation qualification. 2-2
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2 Preparing for Installation
When arranging the installation engineers to perform this activity, the customer needs to pay attention to the following points: l
The technical engineer of the customer must have received the basic training conducted by Huawei Technologies Co., Ltd., and must understand the related methods of installation and construction.
l
The number of installation engineers should be based on the specific engineering schedule and the installation environment. In general, arrange for three to five installation engineers.
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3 Information About the Installation
3
Information About the Installation
About This Chapter BTS3900 cabinets can be classified into -48 V cabinet, +24 V cabinet, and +220 V cabinet. You need to familiarize yourself with the related information and clearance requirements before the cabinet installation. 3.1 Hardware Structure of the BTS3900 Cabinet (-48 V) The BTS3900 cabinet (-48 V) houses the RFUs, fan box, BBU, and DCDU-01. In addition, spare space in the cabinet is available for customer equipment. 3.2 Hardware Structure of the BTS3900 Cabinet (+24 V) The BTS3900 cabinet (+24 V) houses the RFUs, fan box, BBU, DCDU-01, and PSUs (DC/DC). 3.3 Hardware Structure of the BTS3900 Cabinet (220 V) The BTS3900 cabinet (220 V) houses the RFUs, fan box, BBU, DCDU-01, PSUs (AC/DC), and PMU. 3.4 Installation Clearance and Position Requirements Space for cabling and maintenance should be reserved during the installation of the cabinet.
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3 Information About the Installation
3.1 Hardware Structure of the BTS3900 Cabinet (-48 V) The BTS3900 cabinet (-48 V) houses the RFUs, fan box, BBU, and DCDU-01. In addition, spare space in the cabinet is available for customer equipment. The BTS3900 cabinet (-48 V) can house three RFUs in typical configuration or six RFUs in full configuration. Figure 3-1 and Figure 3-2 show the BTS3900 cabinet (-48 V) in typical configuration and in full configuration respectively. Figure 3-1 BTS3900 cabinet (-48 V) in typical configuration
Figure 3-2 BTS3900 cabinet (-48 V) in full configuration
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3 Information About the Installation
3.2 Hardware Structure of the BTS3900 Cabinet (+24 V) The BTS3900 cabinet (+24 V) houses the RFUs, fan box, BBU, DCDU-01, and PSUs (DC/DC). The BTS3900 cabinet (+24 V) supports the 3RFU typical configuration and the 6RFU full configuration. Figure 3-3 and Figure 3-4 show the BTS3900 cabinet (+24 V) in typical configuration and in full configuration respectively. Figure 3-3 BTS3900 cabinet (+24 V) in typical configuration
Figure 3-4 BTS3900 cabinet (+24 V) in full configuration
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3 Information About the Installation
3.3 Hardware Structure of the BTS3900 Cabinet (220 V) The BTS3900 cabinet (220 V) houses the RFUs, fan box, BBU, DCDU-01, PSUs (AC/DC), and PMU. The BTS3900 cabinet (220 V) supports the 3RFU typical configuration and the 6RFU full configuration. Figure 3-5 and Figure 3-6 show the BTS3900 cabinet (220 V) in typical configuration and in full configuration respectively. Figure 3-5 BTS3900 cabinet (220 V) in typical configuration
Figure 3-6 BTS3900 cabinet (220 V) in full configuration
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3 Information About the Installation
3.4 Installation Clearance and Position Requirements Space for cabling and maintenance should be reserved during the installation of the cabinet.
Installation Clearance Requirements The clearance requirements of the BTS3900 cabinets are as follows: l
The cabinet can be installed with its back against the wall.
l
The cabinet can be installed with one side against the wall.
l
At least 800 mm in front of the cabinet should be reserved for maintenance.
l
At least 200 mm on top of the cabinet should be reserved for cabling.
Figure 3-7 shows the installation clearance requirements when a single cabinet is installed, two cabinets are installed side-by-side, and two cabinets are stacked. Figure 3-7 Cabinet installation clearance requirements
Cabinet Layout Requirements The layout requirements of the BTS3900 cabinets are as follows: l
The cabinets are as close to the feeder window as possible so that the feeders can be as short as possible.
l
The cabinets are installed in a row in the same equipment room for easy cabling.
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3 Information About the Installation l
No space is reserved between the cabinets and the customer equipment if they are installed side-by-side.
Figure 3-8 shows the layout requirements (unit: mm) for the installation of the BTS3900 cabinets. Figure 3-8 Cabinet layout requirements
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4 Installation Procedure
4
Installation Procedure
The BTS3900 cabinets are delivered with boards are installed. The installation procedure involves installing the base, cabinets, and cables on site. In addition, some optional components can be installed on site as required. Figure 4-1 shows the installation procedure.
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4 Installation Procedure
Figure 4-1 Installation procedure
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5 Unpacking the Equipment
5
Unpacking the Equipment
You need to unpack and check the delivered equipment and ensure that all the materials are included and intact.
Context NOTE
When transporting, moving, or installing the equipment, components, or parts, you must: l
Prevent them from colliding with doors, walls, shelves, or other objects.
l
Wear clean gloves, and avoid touching the equipment, components, or parts with your bare hand, sweat-soaked gloves, or dirty gloves.
Procedure Step 1 Check whether the total number of goods in each case matches that in the packing list. If...
Then...
The total number matches that in the packing list
Go to Step 2.
The total number does not match that in the Find out the cause and report it to the local packing list Huawei office. Step 2 Check whether the packing case is in good condition. If...
Then...
The outer packing is in good condition
Go to Step 3.
The outer packing is severely damaged or Find out the cause and report it to the local soaked Huawei office. Step 3 Check the type and quantity of the equipment in the cases according to the packing list. Issue 03 (2010-05-04)
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5 Unpacking the Equipment
If...
Then...
Types and quantity of the goods are in conformity with those on the packing list
Sign the packing list with the customer.
There is wrong delivery or shortage of goods
Fill in the Cargo Shortage and Miscarriage Report and submit it.
There is goods damaged
Fill in the Goods Replacement Report and submit it.
WARNING To protect the equipment and find out the cause in the future, you need to keep the unpacked equipment and packing materials in indoor environment, take photos of the stocking environment, rusted or eroded equipment, packing case or carton, and packing materials, and then file the photos. ----End
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6
6 Checking the Installed Modules and Cables
Checking the Installed Modules and Cables The internal modules and cables are installed in the cabinet before delivery. You need to check that the modules and cables are securely connected.
Module Checklist The modules are securely connected to the cabinet, and the screws are tightened.
Cable Checklist Check whether the power cables and screws are properly and securely fixed in the cabinet by referring to Figure 6-1 and Table 6-1.
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6 Checking the Installed Modules and Cables
Figure 6-1 Internal power cables
(1) -48 V cabinet
(2) +24 V cabinet
(3) AC cabinet
Table 6-1 Internal power cable SN
6-2
Cable
One end
The other end
Connector
Installation Position
Connector
Installation Position
P1 to P6
RFU Power Cable
3V3 power connector
PWR port on the RFU
Parallel terminal
Ports RFU0 to RFU5 on the DCDU-01
P7
Fan Power Cable
3V3 power connector
-48 V port of the fan box
Parallel terminal
FAN port on the DCDU-01
P8
BBU Power Cable
3V3 power connector
PWR port on the UPEU
Parallel terminal
BBU port on the DCDU-01
P9
DCDU-01 Power Cable
OT terminal
RTN(+) port on the DCDU-01
OT terminal
RTN(+) wiring terminal for power output of the power subrack (DC/ DC)
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6 Checking the Installed Modules and Cables
SN
Cable
One end
The other end
Connector
Installation Position
Connector
Installation Position
P10
DCDU-01 Power Cable
OT terminal
NEG(-) port on the DCDU-01
OT terminal
LOAD(-) wiring terminal for power output of the power subrack (DC/ DC)
P11
DCDU-01 Power Cable
OT terminal
RTN(+) port on the DCDU-01
OT terminal
RTN(+) wiring terminal for power output of the power subrack (AC/ DC)
P12
DCDU-01 Power Cable
OT terminal
NEG(-) port on the DCDU-01
OT terminal
LOAD1(-) or LOAD2(-) wiring terminal for power output of the power subrack (AC/ DC)
Check whether the signal cables and screws are properly and securely fixed in the cabinet by referring to Figure 6-2 and Table 6-2.
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6 Checking the Installed Modules and Cables
Figure 6-2 Internal signal cables
(1) -48 V cabinet
(2) +24 V cabinet
(3) AC cabinet
Table 6-2 Internal signal cables SN
6-4
Cable
One end
The other end
Connector
Installation Position
Connector
Installation Position
S1
Monitoring signal cable for the FAN unit
RJ-45
COM IN port of the fan box
RJ-45
MON0 port on the UPEU
S2
ELU signal cable
RJ-45
SENSOR port of the fan box
RJ-45
ELU
S3
Monitoring signal cable for the PSU (DC/DC)
Cord end terminal
ALM port of the power subrack (DC/ DC)
RJ-45
EXT-ALM0 port on the UPEU
S4
In-position signal cable for the PSU (DC/DC)
RJ-45
PRESENT port of the power subrack (DC/DC)
RJ-45
EXT-ALM1 port on the UPEU
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6 Checking the Installed Modules and Cables
SN
S5
Cable
Monitoring signal cable for the PMU
One end
The other end
Connector
Installation Position
Connector
Installation Position
RJ-45
RS232/ RS422 port on the PMU
RJ-45
MON1 port on the UPEU
Check and ensure the secure connections of the CPRI cables, which are installed inside the cabinets based on different configurations of the cabinets before delivery.
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7
Installing the Base
About This Chapter The BTS3900 cabinet must be installed on the base. The base can be installed on the concrete floor or ESD floor according to the equipment room conditions and customer requirements. 7.1 Installing the Base on the Concrete Floor This section describes the procedure and precautions for installing the base on the concrete floor. 7.2 Installing the Base on the ESD Floor This section describes the procedure and precautions for installing the base on the ESD floor.
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7.1 Installing the Base on the Concrete Floor This section describes the procedure and precautions for installing the base on the concrete floor.
Procedure Step 1 Determine the position of the cabinet by referring to the marking template, as shown in Figure 7-1. Figure 7-1 Positioning the cabinet 1
3 2
(1) Anchor hole
(2) Concrete floor
(3) Marking template
Step 2 Drill a hole at each anchor point, and then install the expansion bolt assembly, as shown in Figure 7-2. Figure 7-2 Drilling a hole and installing an expansion bolt assembly
Ø16
1 2 3
90。 52-60mm
4
(1) M12x60 bolt
1.
7-2
(2) Spring washer
(3) Flat washer
(4) Expansion tube
Use the percussion drill with bit 16 to drill holes at the anchor points, and ensure that the depth of each hole ranges from 52 mm to 60 mm. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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WARNING Take proper safety measures to protect your eyes and respiratory tract against the dust before drilling holes. 2.
Use a vacuum cleaner to clear the dust inside and around the holes. If the inter-hole spacing is too wide or too narrow, locate and drill holes again.
3.
Slightly tighten the expansion bolt, and then put the expansion bolt assembly into the hole vertically.
4.
Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into the hole.
5.
Remove the M12x60 bolt, spring washer, and flat washer from each expansion bolt assembly in sequence.
WARNING After disassembling the expansion bolt assembly, ensure that the top of the expansion tube is on the same level as the floor. Step 3 Install the base and adjust the base level. 1.
Place the insulating spacer and the base on the floor, align the mounting holes in the base and in the insulating spacers with the holes of the expansion bolts in the floor, and then use four M12x60 bolts to secure the base, as shown in Figure 7-3. Figure 7-3 Fixing the base
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(1) M12x60 bolt
(2) Spring washer
(3) Flat washer
(4) Insulating washer
(5) Insulating spacers
-
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2.
Check and adjust the base level. Place the level on the top plane of the base to check the base level, as shown in Figure 7-4. If the bubble is not in the middle of the level, adjust the base level through the adjusting bolts. Figure 7-4 Checking the base level
(1) Adjusting bolt
(2) Level
Step 4 Test the insulation between the base and the expansion bolt. 1.
Set the multimeter to the megohm position (MΩ).
2.
Measure the resistance between the base and the four expansion bolts, as shown in Figure 7-5. Figure 7-5 Measuring the resistance between the base and the expansion bolt
7-4
l
If the resistance is less than five megohms, you can infer that the base is not insulated from the floor. Go to Step 4.3.
l
If the resistance is greater than or equal to five megohms, you can infer that the base is insulated from the floor. End the test. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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3.
Dissemble the expansion bolt assembly, and check whether insulating washers are missed or damaged. l
If insulating washers are missed or damaged, reinstall them, and then adjust the base level.
l
If no insulating washers are missed or damaged, check whether the multimeter is faulty or whether the setting is correct.
----End
7.2 Installing the Base on the ESD Floor This section describes the procedure and precautions for installing the base on the ESD floor.
Context Figure 7-6 shows the support for installing the ESD floor. Figure 7-6 Support for installing the ESD floor
(1) Access holes
(2) Frames
(3) Mounting hole
The support for installing the ESD floor on which the BTS3900 is installed is classified into two types: support with fixed height and support with adjustable height. Table 7-1 lists the relations between the two types of supports and the height of the ESD floor. Table 7-1 Height of the support for installing the ESD floor
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Type of the Support
Height of the ESD Floor (Unit: mm)
Support with fixed height
296 to 495
Support with adjustable height
120 at least; adjustable according to the height of the floor
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Height of the ESD floor refers to the spacing between the concrete floor and the upper surface of the ESD floor.
Procedure Step 1 Determine the installation position of the cabinet on the ESD floor by referring to Installing the Cabinet on the Concrete Floor Step 1. Step 2 Drill holes on the ESD floor. 1.
Use a percussion drill with bit 16 to drill holes at the anchor points. The holes should penetrate the ESD floor, as shown in Figure 7-7. Figure 7-7 Drilling a hole on the ESD floor
WARNING Take proper safety measures to protect your eyes and respiratory tract against the dust before drilling holes. 2.
Use a vacuum cleaner to clear the dust inside and around the holes. If the inter-hole spacing is too wide or too narrow, locate and drill holes again.
Step 3 Position the support. 1.
7-6
Place the support under the ESD floor, and then use bolts to secure the ESD floor on the support temporarily, as shown in Figure 7-8.
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Figure 7-8 Positions of the access holes in the support and holes in the ESD floor
(1) Access holes
2.
(2) ESD floor
(3) Mounting holes for the support
Mark the positions of the mounting holes on the concrete floor, as shown in Figure 7-9. Figure 7-9 Marking the positions of the mounting holes
(1) Mounting holes for the support
3.
(2) Support for installing (3) Concrete floor the ESD floor
(4) ESD floor
Use a measuring tape to measure the inter-hole spacing, and ensure that the four holes serve as the vertices of a rectangle.
Step 4 Drill holes at the anchor points on the concrete floor, and then install expansion bolt assemblies. For details, see Installing the Cabinet on the Concrete Floor Step 2. Step 5 Secure the support for installing the ESD floor. Use M12x60 bolts, spring washers, and flat washers to secure the support for installing the ESD floor on the concrete floor. Tighten the bolts until the fastening torque reaches 45 N·m. Figure 7-10 shows how to secure the support for installing the ESD floor. Issue 03 (2010-05-04)
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Figure 7-10 Securing the supports for installing the ESD floor
(1) M12x60 bolt
(2) Spring washer
(3) Flat washer
Step 6 Remove the bolts that are used to temporarily secure the ESD floor on the support in Step 3.1. Step 7 Refer to Installing the Cabinet on the Concrete Floor Step 3, Step 4. ----End
7-8
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8
Installing the Cabinet
About This Chapter The BTS3900 cabinets can be flexibly installed. In different scenarios, a single cabinet can be separately installed and two cabinets can be installed side-by-side or stacked. 8.1 Installing a Single Cabinet Separately This section describes the procedure and precautions for installing a single cabinet on a base. 8.2 Installing Two Cabinets Side-by-Side This section describes the procedure and precautions for installing two cabinets side-by-side. 8.3 Stacking Two Cabinets This section describes the procedure and precautions for stacking two cabinets.
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8.1 Installing a Single Cabinet Separately This section describes the procedure and precautions for installing a single cabinet on a base.
Context The cabinet door can be removed before the cabinet is installed for easy operations. When removing the cabinet door, disconnect the equipotential cable from the lower part of the door, and then rotate the spring pin 90° to the left and press the pin. Thus, the cabinet door can be removed, as shown in Figure 8-1. Figure 8-1 Removing the cabinet door
When installing the cabinet door, align the spring pin with the hole, rotate the pin to the right until it is tightly pressed by the door, and then install the equipotential cable on the door, as shown in Figure 8-2.
8-2
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Figure 8-2 Installing the cabinet door
Procedure Step 1 Lift the cabinet onto the base. Step 2 Slide the cabinet along the base to ensure that the back of the cabinet is aligned with the back of the base. Use a torque wrench to tighten the two M12x50 bolts in the front of the cabinet until the fastening torque reaches 45 N·m, as shown in Figure 8-3. Figure 8-3 Installing the cabinet
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Step 3 Install the PGND cable for the cabinet.
CAUTION Install the OT terminal in a correct way, as shown in Figure 8-4.
Figure 8-4 Installing the OT terminal in a correct way
1.
Use a PGND cable with a cross-sectional area of 25 mm2 to connect the ground point on the -48 V cabinet to the external ground bar, as shown in Figure 8-5. The procedure for grounding the 220 V cabinet is the same as that for grounding the -48 V cabinet. Figure 8-5 PGND cable for the -48 V cabinet
(1) M8 OT terminal
2.
8-4
(2) External ground bar
Use two PGND cables with a cross-sectional area of 25 mm2 to connect the ground point on the +24 V cabinet to the external ground bar, as shown in Figure 8-6. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Figure 8-6 PGND cables for the +24 V cabinet
(1) External ground bar
(2) M8 OT terminal
(3) M8 OT terminal
----End
8.2 Installing Two Cabinets Side-by-Side This section describes the procedure and precautions for installing two cabinets side-by-side.
Procedure Step 1 Install a single cabinet by referring to 8.1 Installing a Single Cabinet Separately. Ensure that the single cabinet is secure on the base. Step 2 Remove the connecting pieces on the top of the cabinets, as shown in Figure 8-7. Figure 8-7 Removing the connecting pieces
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Step 3 Install the two connecting pieces on the positions shown in Figure 8-8, and then tighten the screws. Figure 8-8 Installing the connecting pieces
Step 4 Install the PGND cables (25 mm2) and equipotential cable (16 mm2). 1.
Install the PGND cables and equipotential cable for the -48 V cabinet, as shown in Figure 8-9. The procedures for installing the PGND cables and equipotential cable for the 220 V cabinet and for the -48 V cabinet are the same. Figure 8-9 Installing the PGND cables and equipotential cable for the -48 V cabinet
(1) M8 OT terminal
8-6
(2) M6 OT terminal
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(3) M6 OT terminal
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2.
Install the PGND cable and equipotential cable for the +24 V cabinet, as shown in Figure 8-10. Figure 8-10 Installing the PGND cables and equipotential cable for the +24 V cabinet
(1) M8 OT terminal
(2) M8 OT terminal
(3) M6 OT terminal
(4) M6 OT terminal
----End
8.3 Stacking Two Cabinets This section describes the procedure and precautions for stacking two cabinets.
Context l
The -48 V cabinet can be stacked.
l
The +24 V cabinet cannot be stacked.
l
Stacking 220 V cabinets are not recommended. If they have to be stacked, the cabinets can bear the highest ambient temperature that is 5°C lower than normal.
Procedure Step 1 Install a single cabinet by referring to 8.1 Installing a Single Cabinet Separately. Ensure that the single cabinet is secure on the base. Step 2 Remove the rubber screws and connecting pieces from the top of the lower cabinet, and then install the installation blocks on the rear part of the cabinet top, as shown in Figure 8-11. Issue 03 (2010-05-04)
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Figure 8-11 Removing the rubber screws and connecting pieces
Step 3 Remove the cover plate from the top of the upper cabinet, as shown in Figure 8-12. Figure 8-12 Removing the cover plate
Step 4 Lift the upper cabinet onto the lower cabinet, slide the upper cabinet along the top of the lower cabinet until the backs of two cabinets are aligned. Tighten the bolts to secure the cabinet, as shown in Figure 8-13. Figure 8-13 Securing the cabinet
Step 5 Install the PGND cables (25 mm2) and equipotential cable (16 mm2) for the -48 V cabinet, as shown in Figure 8-14. 8-8
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The procedure for installing the PGND cable and equipotential cable for the 220 V cabinet and for the -48 V cabinet are the same.
Figure 8-14 Installing the PGND cable and equipotential cable for the -48 V cabinet
(1) M8 OT terminal
(2) M6 OT terminal
(3) M6 OT terminal
----End
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9 (Optional) Installing the Modules
9
(Optional) Installing the Modules
About This Chapter The mandatory modules in the cabinet are already installed. The optional modules can be installed on site according to different field requirements. 9.1 Installing the GPS Surge Protector This section describes the procedure and precautions for installing the GPS surge protector. 9.2 Installing the Optical-to-Electrical Conversion Module and Optical Module This section describes the procedure and precautions for installing the optical-to-electrical conversion module, optical module, and related cables.
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9.1 Installing the GPS Surge Protector This section describes the procedure and precautions for installing the GPS surge protector.
Procedure Step 1 Remove the connecting piece from the cabinet top, and then install the support for the GPS surge protector in the original position of the connecting piece, as shown in Figure 9-1. Figure 9-1 Installing the support for the GPS surge protector
Step 2 Link the SMA male connector of the GPS signal cable to the GPS surge protector on the USCU and the N-type connector to the support for the GPS surge protector, as shown in Figure 9-2. Figure 9-2 Installing the GPS signal cable
Step 3 Install the GPS surge protector to the support, and then connect cables, as shown in Figure 9-3.
9-2
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Figure 9-3 Installing the GPS surge protector
Step 4 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 5 Attach labels to the installed cables. For details, see Labeling Signal Cables. ----End
9.2 Installing the Optical-to-Electrical Conversion Module and Optical Module This section describes the procedure and precautions for installing the optical-to-electrical conversion module, optical module, and related cables.
Procedure Step 1 Insert the optical-to-electrical conversion module into the FE/GE0 port on the UTRP. Step 2 Connect one end of the FE/GE cable to the optical-to-electrical conversion module and the other end to the FE0 port on the GTMU. Step 3 Insert the optical module into the FE/GE1 port on the UTRP. Step 4 Connect the FE/GE optical cable led from the cabinet to the optical module. Figure 9-4 shows the cable connections.
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Figure 9-4 Installing the optical-to-electrical conversion module and optical module
(1) Optical-to-electrical conversion module
(2) Optical module
----End
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10
Installing the Cables
About This Chapter The BTS3900 cabinet is delivered with boards installed, and the internal cables are already installed. Therefore, only the external cables and cables for the optional modules need to be installed on site. 10.1 Cabling Requirements You must route cables according to the specified cabling requirements to prevent signal interference. 10.2 Cable Routing Principles The cables in the BTS3900 cabinet must be routed according to the cabling requirements and must be bound by using cable ties. 10.3 Installing the Power Cables This describes the procedure and precautions for installing the external input power cable. 10.4 Installing the Transmission Cables The E1/T1 cable or FE/GE cable can be used for data transmission according to the transmission mode of the base station. Only one transmission mode can be supported by the base station working in the GSM standard, and two transmission modes can be supported by the base station working in the UMTS standard. 10.5 Installing the CPRI Cables Between the Cabinets The CPRI cables between the two cabinets installed side-by-side or stacked need to be installed on site. 10.6 Installing the RF Jumper The RF jumper connects the RFU to the antenna system for signal exchange between the base station and the antenna system. 10.7 Installing the Monitoring Signal Cable for the EMU The monitoring signal cable for the EMU transmits monitoring signals from the EMU to the BBU3900.
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10.1 Cabling Requirements You must route cables according to the specified cabling requirements to prevent signal interference.
General Cabling Requirements The bending radius of the cables must meet the following specifications: l
The bending radius of the 7/8'' feeder must be more than 250 mm, and the bending radius of the 5/4'' feeder must be more than 380 mm.
l
The bending radius of the 1/4'' jumper must be more than 35 mm. The bending radius of the super-flexible 1/2'' jumper must be more than 50 mm, and the bending radius of the ordinary 1/2'' jumper must be more than 127 mm.
l
The bending radius of the power cable or PGND cable must be at least five times the diameter of the cable.
l
The bending radius of the optical cable must be at least 20 times the diameter of the optical cable.
l
The bending radius of the E1/T1 cable must be at least five times the diameter of the cable.
l
The bending radius of the signal cable must be at least five times the diameter of the cable.
The cables must be bound as follows: l
Different types of cables must be separately routed at least 30 mm and cannot be entangled.
l
The cables must be bound tightly and neatly. The jackets of the cables are not damaged.
l
The cable ties must face the same direction, and those at the same horizontal line must be in a straight line. Extra length of cable ties must be cut off.
l
Labels or nameplates must be attached to the cables after they are installed.
The cables must be routed in category as follows: l
Different types of cables must be separately routed.
l
Different types of cables cannot be crossed.
l
Different types of cables must be routed in parallel or separated by special objects.
Special Cabling Requirements Cabling requirements for power cables are as follows: l
The -48 V power cables should be bound together.
l
The +24 V power cables should be bound together.
l
The power cable must be separately bound from transmission cables and signal cables.
l
Multiple power cables must be bound when routed.
l
Positions for routing the power cables must meet requirements of the engineering design.
l
If the length of the power cable is insufficient, replace the cable rather than adding connectors or soldering joints to lengthen the cable.
Cabling requirements for PGND cables are as follows: 10-2
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The PGND cables for the base station must be connected to the same ground bar.
l
The PGND cables must be buried in the ground or routed indoors. They should not be routed overhead before they are led into the equipment room.
l
The exterior of the coaxial wire and shielding layer of the shielded cable must have proper electrical contact with the metal surface of the connected equipment.
l
The PGND cable and signal cable cannot be bound or entangled. A certain distance must be reserved between them to prevent interference from each other.
l
Fuses or switches cannot be installed on the PGND cables.
l
Other devices cannot be used for the electrical connection of the PGND cables.
l
All the metal parts in the housing of the equipment must be reliably connected to the ground terminal.
Cabling requirements for E1 cables are as follows: l
The E1 cable cannot cross the power cable, PGND cable, or RF cable when routed. If the transmission cable is routed with the power cable, PGND cable, and RF cable in parallel, the spacing between them must be greater than 30 mm.
l
The E1 cables must be neatly and elegantly routed and securely bound with cable ties.
l
Extra length of E1 cables must be reserved when they are curved.
Cabling requirements for the optical cables are as follows: l
Do not stretch the optical cables, step on the cables, or place heavy objects on the cables. Keep the cables away from sharp objects to prevent damage to the fibers.
l
When the optical cables are routed, the extra length of the cables must be coiled around special devices, such as a fiber coiler.
l
When coiling the optical cables, apply the strength evenly. Do not bend the cables with force, thus preventing any damage to the fibers.
l
Cover the optical connectors that are not in use with dustproof caps.
10.2 Cable Routing Principles The cables in the BTS3900 cabinet must be routed according to the cabling requirements and must be bound by using cable ties.
Route the cables in a single cabinet l
Route the PGND cable along the left interior of the cabinet.
l
Route the six jumpers on the left along the left interior of the cabinet.
l
Route the external input power cable along the left interior of the cabinet.
l
Route the six jumpers on the right along the right interior of the cabinet.
l
Route the transmission cables along the right interior of the cabinet.
l
Route the monitoring signal cables close to the CPRI cables.
Figure 10-1 shows the cable routing in a single cabinet. Issue 03 (2010-05-04)
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Figure 10-1 Cable routing in a single cabinet
(1) PGND cable
(2) Jumper on the left
(3) Input power cable
(4) Jumper on the right
(5) Transmission cable
-
Route the cables in stacked cabinets l
Route and bind the cables by referring to "Route the cables in a single cabinet".
l
The 12 jumpers in the upper cabinet are directly led out.
Figure 10-2 shows the cable routing in stacked cabinets. Figure 10-2 Cable routing in stacked cabinets
(1) PGND cable
(2) Jumper on the left
(3) Input power cable
(4) Jumpers in the upper cabinet
(5) Jumper on the right
(6) Transmission cable
10.3 Installing the Power Cables This describes the procedure and precautions for installing the external input power cable. 10.3.1 Installing the Input Power Cable for the -48 V Cabinet 10-4
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The input power cable for the -48 V cabinet connects the wiring terminals for the input power cable on the DCDU-01 to the external power equipment. The cable feeds -48 V DC power into the BTS3900 cabinet. 10.3.2 Installing the Input Power Cable for the +24 V Cabinet The input power cable for the +24 V cabinet connects the power system (DC/DC) to the external power equipment. The cable feeds +24 V DC power into the BTS3900 cabinet. 10.3.3 Installing the Input Power Cable for the 220 V Cabinet The input power cable for the 220 V cabinet feeds external AC power into the BTS3900 cabinet.
10.3.1 Installing the Input Power Cable for the -48 V Cabinet The input power cable for the -48 V cabinet connects the wiring terminals for the input power cable on the DCDU-01 to the external power equipment. The cable feeds -48 V DC power into the BTS3900 cabinet.
Context The cross-section area of the -48 V power cable is 16 mm2.
Procedure Step 1 Measure the distance between the DCDU-01 and the external power equipment according to the actual cable route, and then prepare power cables of a proper length. NOTE
Reserve an extra length of 300 mm when preparing the input power cables. Thus, the power cables can be led out from the upper cabinet if two cabinets are stacked in the case of capacity expansion.
Step 2 Make an M6 OT terminal at each end of the power cable. For details, see Assembling the OT Terminal and the Power Cable. Step 3 Remove the protecting hood from the terminal block of the DCDU-01. Step 4 Connect the blue cable to the wiring terminal labeled NEG(-) and black cable to the wiring terminal labeled RTN(+). NOTE
When two -48 V cabinets are stacked, the external power equipment supplies power to the upper and lower cabinets.
Step 5 Use a screwdriver to tighten the screws on the wiring terminals. Step 6 Install the protecting hood, and then use a screwdriver to tighten the screws. Figure 10-3 shows the installation procedure.
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Figure 10-3 Installing the -48 V input power cable
Step 7 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 8 Attach labels to the installed cables. For details, see Attaching the Cable-Tying Label. ----End
10.3.2 Installing the Input Power Cable for the +24 V Cabinet The input power cable for the +24 V cabinet connects the power system (DC/DC) to the external power equipment. The cable feeds +24 V DC power into the BTS3900 cabinet.
Context The cross-section area of the +24 V power cable is 25 mm2.
Procedure Step 1 Measure the distance between the wiring terminal of the power subrack (DC/DC) and the external power equipment according to the actual cable route, and then prepare power cables of a proper length. NOTE
Reserve an extra length of 300 mm when preparing the input power cables. Thus, the power cables can be led out from the upper cabinet if two cabinets are stacked in the case of capacity expansion.
Step 2 Make an M6 OT terminal at each end of the power cable. For details, see Assembling the OT Terminal and the Power Cable. Step 3 Use a Phillips screwdriver to remove the screws from the protecting hood for the wiring terminals of the power subrack (DC/DC), and then remove the protecting hood. 10-6
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Step 4 Connect the two red cables to the wiring terminals labeled + and two black cables to the wiring terminals labeled -. Step 5 Use a screwdriver to tighten the screws on the wiring terminals. Step 6 Install the protecting hood, and then use a screwdriver to tighten the screws. Figure 10-4 shows the installation procedure. Figure 10-4 Installing the +24 V input power cable
Step 7 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 8 Attach labels to the installed cables. For details, see Attaching the Cable-Tying Label. ----End
10.3.3 Installing the Input Power Cable for the 220 V Cabinet The input power cable for the 220 V cabinet feeds external AC power into the BTS3900 cabinet.
Context l
The 220 V cabinet supports three types of AC power input: 220 V AC single-phase, 220 V AC three-phase, and 110 V AC dual-live-wire.
l
The cross-section area of the 220 V AC single-phase power cable is 6 mm2. The crosssection area of the 220 V AC three-phase power cable is 2.5 mm2. The cross-section area of the 110 V dual-live-wire power cable is 6 mm2.
Procedure Step 1 Measure the distance between the wiring terminal of the power subrack (AC/DC) and the external power equipment according to the actual cable route, and then prepare power cables of a proper length. Issue 03 (2010-05-04)
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Reserve an extra length of 300 mm when preparing the input power cables. Thus, the power cables can be led out from the upper cabinet if two cabinets are stacked in the case of capacity expansion.
Step 2 Make an M6 OT terminal at each end of the power cable. For details, see Assembling the OT Terminal and the Power Cable.
DANGER When adding OT terminals to the power cable, do not expose the metal wires, as shown in Figure 10-5.
Figure 10-5 Adding an OT terminals to the power cable
Step 3 Connect the corresponding input powers according to field requirements. 1.
Install the 220 V AC single-phase input power cable. That is, connect the live wire to the wiring terminal labeled L1 in the power subrack (AC/DC) and neutral wire to the wiring terminal labeled N1, as shown in Figure 10-6. Figure 10-6 220 V AC single-phase power cable
2.
10-8
Install the 220 V AC three-phase input power cable. That is, remove the short-circuiting cable from the wiring terminals of the power subrack (AC/DC), connect the three live wires to the wiring terminals labeled L1, L2, and L3, and then connect the neutral wire to the wiring terminal labeled N1, as shown in Figure 10-7.
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Figure 10-7 220 V AC three-phase power cable
3.
Install the 110 V AC input power cable. That is, connect the live wire to the wiring terminal labeled L1 in the power subrack (AC/DC) and neutral wire to the wiring terminal labeled N1, as shown in Figure 10-8. Figure 10-8 110 V AC dual-live-wire power cable
Step 4 Connect the other end of the power cable to the external power equipment. Step 5 Use a screwdriver to tighten the screws on the wiring terminals. Step 6 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 7 Attach labels to the installed cables. For details, see Attaching the Cable-Tying Label. ----End
10.4 Installing the Transmission Cables The E1/T1 cable or FE/GE cable can be used for data transmission according to the transmission mode of the base station. Only one transmission mode can be supported by the base station working in the GSM standard, and two transmission modes can be supported by the base station working in the UMTS standard. 10.4.1 Installing the E1/T1 Cables The cabinet communicates with transmission equipment through E1/T1 cables in cotransmission or separate transmission mode. Issue 03 (2010-05-04)
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10.4.2 Installing the FE/GE Cable or FE/GE Optical Cable The cabinet communicates with transmission equipment through FE/GE cables or FE/GE optical cable in co-transmission or separate transmission mode.
10.4.1 Installing the E1/T1 Cables The cabinet communicates with transmission equipment through E1/T1 cables in cotransmission or separate transmission mode.
Prerequisite Ensure that both ends of the E1 cable are disconnected. Then, weld connectors to the bare wires at one end of the E1 cable all at once.
Procedure Step 1 Connect the E1/T1 cable to the port on the corresponding board. If...
Then...
The co-transmission mode is used
Link the DB26 male connector of the E1/T1 cable to the port labeled E1/T1 on the GTMU, and then tighten the screws, as shown in Figure 10-9.
The separate transmission mode is used
Link the DB26 male connectors of two E1/T1 cables to the ports labeled E1/T1 on the GTMU and on the WMPT respectively, as shown in Figure 10-10.
Figure 10-9 In co-transmission mode
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Figure 10-10 In separate transmission mode
Step 2 Route the E1/T1 cable along the cable trough on the right of the cabinet, and then use cable ties to bind the cable. Step 3 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 4 Attach labels to the installed cables by referring to Attaching the L-Shaped Label. ----End
10.4.2 Installing the FE/GE Cable or FE/GE Optical Cable The cabinet communicates with transmission equipment through FE/GE cables or FE/GE optical cable in co-transmission or separate transmission mode.
Procedure Step 1 Connect the FE/GE cables or FE/GE optical cables to the port on the corresponding board. If...
Then...
The co-transmission mode over the electrical port is used
l
Connect the FE/GE cable to the port labeled FE0 on the WMPT.
l
Connect the two ends of the interconnection cable between the FE optical ports to the ports labeled FE1 on the GTMU and on the WMPT respectively, as shown in Figure 10-11.
l
Connect the FE/GE optical cable to the port labeled FE1 on the WMPT.
l
Connect the two ends of the interconnection cable between the FE electrical ports to the ports labeled FE0 on the GTMU and on the WMPT respectively, as shown in Figure 10-11.
The co-transmission mode over the optical port is used
NOTE The FE/GE optical cable should be wrapped a winding pipe, as shown in Figure 10-12.
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If...
Then...
The separate transmission mode is used
Connect one FE/GE cable to the port labeled FE0 on the WMPT and another FE/GE cable to the port labeled FE0 on the GTMU, as shown in Figure 10-13.
Figure 10-11 In co-transmission mode over the electrical port
Figure 10-12 In co-transmission mode over the optical port
Figure 10-13 In separate transmission mode
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Step 2 Route the FE/GE cable along the cable trough on the right of the cabinet, and then use cable ties to bind the cable. Step 3 Route the cables by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 4 Attach labels to the installed cables by referring to Attaching the L-Shaped Label. ----End
10.5 Installing the CPRI Cables Between the Cabinets The CPRI cables between the two cabinets installed side-by-side or stacked need to be installed on site.
Procedure Step 1 Install the CPRI cables between the cabinets installed side-by-side. 1.
Install the cabinets side-by-side by referring to 8.2 Installing Two Cabinets Side-bySide.
2.
The main cabinet is placed on the left, and the extension cabinet is placed on the right. Figure 10-14 shows the CPRI cable connections between two cabinets. Figure 10-14 CPRI cable connections between two cabinets installed side-by-side
Step 2 Install the CPRI cables between the stacked cabinets. 1.
Stack the cabinets by referring to 8.3 Stacking Two Cabinets.
2.
The main cabinet is placed on the bottom, and the extension cabinet is placed on the main cabinet. Figure 10-15 shows the CPRI cable connections between two cabinets.
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Figure 10-15 CPRI cable connections between stacked cabinets
Step 3 Route cables by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 4 Attach labels to the installed cables by referring to Attaching the L-Shaped Label. ----End
10.6 Installing the RF Jumper The RF jumper connects the RFU to the antenna system for signal exchange between the base station and the antenna system.
Procedure Step 1 Lead the RF jumpers into the cabinet through the cable holes, and the route the jumpers by referring to 10.2 Cable Routing Principles.
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10 Installing the Cables NOTE
Reserve an extra length of 300 mm when preparing the RF jumper according to the actual cable route. Thus, the jumper can be led out from the upper cabinet if two cabinets are stacked during capacity expansion. For details about how to add a DIN connector to the RF jumper, see Assembling the 7/16 Straight Male Coaxial DIN Connector and the 1/2'' Feeder.
Step 2 Link the DIN connectors of the RF jumpers to the ports labeled ANT on the panels of the RFUs. Figure 10-16 shows the RF jumper connections in a single cabinet, and Figure 10-17 shows the RF jumper connections in stacked cabinets. Figure 10-16 Installing RF jumpers in a single cabinet
Figure 10-17 Installing RF jumpers in stacked cabinets
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Step 3 Use a torque wrench to tighten the DIN connector until the fastening torque reaches 25 N·m to 35 N·m. Step 4 Attach color rings by referring to Color Ring for the Antenna System and Attaching the Color Ring. NOTE
Check and ensure the secure connections of the Inter-RFU RF signal cables, which are installed inside the cabinets based on different configurations of the cabinets before delivery.
----End
10.7 Installing the Monitoring Signal Cable for the EMU The monitoring signal cable for the EMU transmits monitoring signals from the EMU to the BBU3900.
Procedure Step 1 Insert the RJ-45 connector at one end of the monitoring signal cable for the EMU into the port labeled MON1 on the UPEU in the BBU3900. Step 2 Link the DB9 male connector at the other end of the monitoring signal cable for the EMU to the port labeled RS485 on the EMU, and then tighten the screws. Step 3 Route the cable by referring to 10.1 Cabling Requirements and 10.2 Cable Routing Principles. Step 4 Attach labels to the installed cables by referring to Attaching the L-Shaped Label. ----End
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11 Installation Checklist
11
Installation Checklist
After the cabinets and devices are all installed, you need to check the installation items, installation environment, and cable-related items.
Checking the Cabinet Installation Table 11-1 describes the cabinet installation checklist. Table 11-1 Cabinet installation checklist 1
The base is securely installed.
2
All the bolts, especially those for electrical connections, are tightened. Both the spring washer and the flat washer are installed in a correct sequence.
3
The surface of the cabinet is neat and clean.
4
The cabinet meets the dustfree requirement.
5
The paint on the surface is satisfactory. The damaged paint is repaired.
6
All labels, tags, and nameplates are correct, legible, and complete.
Installation Environment Checklist Table 11-2 describes the installation environment checklist. Table 11-2 Installation environment checklist
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1
No redundant tapes or cable ties are left on the cables.
2
No tapes, tails of cable ties, paper, or packing bags are left inside or outside the cabinet.
3
All the items around the cabinet are neat, clean, and intact.
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Electric Connection Checklist Table 11-3 describes the electric connection checklist of the cabinet. Table 11-3 Electric connection checklist of the cabinet
11-2
1
All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Each terminal on the grounding bar can be connected with only one wiring terminal of the PGND cable.
2
The redundant part of the power cable or PGND cable is stripped off rather than coiled.
3
The lugs at both ends of the power cable or PGND cable are securely soldered or crimped.
4
The bare wires and the terminal handles at the wiring terminals are coated with heat-shrinkable tubes.
5
The flat washer and the spring washer are well mounted on all OT terminals.
6
All cables are connected securely and reliably. Pay special attention to the cable connections at the bottom of the cabinet.
7
The cables are neatly and tightly bound. The cable ties are evenly spaced and face the same direction.
8
The power cable, PGND cable, feeder, optical cable and the E1/T1/FE signal cable are bound separately with a spacing of larger than 30 mm.
9
The cable layout facilitates maintenance and future capacity expansion. And the bending radius of the cables meet the requirements.
10
All the labels at both ends of the cables are legible.
11
The extra length of each indoor cable tie is cut, and the cut surface is smooth without sharp edges. An extra length of 3 mm to 5 mm is resereved for each outdoor cable tie.
12
The idle connectors of the cables are properly protected.
13
The connectors of the RF cables are fixed in position to avoid false connection that may cause an abnormal voltage standing wave ratio (VSWR).
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12 Performing the Power-On Check
12
Performing the Power-On Check
Before the cabinets are powered on and work, you need to check the power-on status of the cabinets. Figure 12-1 shows the power-on check procedure.
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Figure 12-1 Power-on check procedure
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12 Performing the Power-On Check NOTE
For details about how to check the DIP switches on the boards, see the BTS3900 Hardware Description.
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13 Obtaining the ESN
13
Obtaining the ESN
The Electronic Serial Number (ESN) is unique to a Network Element (NE) for identification. The ESN is used during the commissioning of the base station.
Procedure Step 1 Record the ESN shown on the label attached to the mounting ear of the BBU. Figure 13-1 shows the position of the ESN. Figure 13-1 Obtaining the ESN
Step 2 Report the ESN to the engineer for the commissioning of the base station. Step 3 Close the cabinet door, and lock it. ----End
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