ZXMW NR8950 Digital Microwave Transmission System
Hardware Installation Guide Version: V2.04.02
ZTE CORPORATION No. 55, Hi-tech Road South, ShenZhen, P.R.China Postcode: 518057 Tel: +86-755-26771900 Fax: +86-755-26770801 URL: http://support.zte.com.cn E-mail:
[email protected]
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Additionally, the contents of this document are protected by
contractual confidentiality obligations. All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION or of their respective owners. This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein. ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter herein. ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice. Users may visit the ZTE technical support website http://support.zte.com.cn to inquire for related information. The ultimate right to interpret this product resides in ZTE CORPORATION.
Revision History Revision No.
Revision Date
Revision Reason
R1.1
2016-01-27
l
Added the installation of the 2+0 XPIC configuration in “3.2.3 2+0 Buckle Installation”.
l
Added the Installation of antenna in “Appendix B Installing Antenna”.
l
Added the installation and cable connection of the PIMDC in “Appendix D, Installing the PIMDC”.
l
Added the Installation of PSE in “Appendix E Installing PSE”.
l
Added the completed installation in the power cable scenario, PoE scenario, and AC power supply scenario in “Section 1.1 Completed Installation”.
l
Added the steps of making the power cable plug in “Section 3.3 Installing the Power Cable”.
l
Added the wire sequence description of the 568B standard straight network cable in “Section 3.4.1 Installing the Ethernet Cable”.
l
Added the cross-connection description of the 2+2 XPIC HSB protection configuration and the 2+2 XPIC SD protection configuration in “Section 3.6 Installing the XPIC Cross-Connection Cables (Optional)”.
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Revision No.
Revision Date
Revision Reason l
Added steps to adjust the XPD value in “2.1.3 2+0 Buckle Installation”.
R1.0
2015-11-25
Serial Number: SJ-20151105160201-004 Publishing Date: 2016-01-27 (R1.1)
First Edition
Contents About This Manual ......................................................................................... I Chapter 1 Overview .................................................................................... 1-1 1.1 Completed Installation ........................................................................................ 1-1 1.2 Installation Flow ................................................................................................. 1-4 1.3 Installation Precautions....................................................................................... 1-5 1.4 Preparation for Tools and Instruments.................................................................. 1-6
Chapter 2 ZXMW NR8950 Installation....................................................... 2-1 2.1 Buckle Installation .............................................................................................. 2-3 2.1.1 1+0 Buckle Installation.............................................................................. 2-3 2.1.2 1+1 Buckle Installation.............................................................................. 2-8 2.1.3 2+0 Buckle Installation............................................................................ 2-14 2.2 Separate Installation......................................................................................... 2-21 2.2.1 1+0 Separate Installation (Single-Polarization) ......................................... 2-21 2.2.2 1+1 Separate Installation (Single-Polarization) ......................................... 2-26 2.2.3 2+0 Separate Installation (Dual-Polarization)............................................ 2-29 2.2.4 2+2 Separate Installation (Dual-Polarization)............................................ 2-33
Chapter 3 Cable Installation ...................................................................... 3-1 3.1 Cable Installation Requirements .......................................................................... 3-1 3.2 Installing the Protective Grounding Cable............................................................. 3-2 3.3 Installing the Power Cable .................................................................................. 3-3 3.4 Installing the Ethernet Cable ............................................................................... 3-5 3.5 Installing the Optical Fiber................................................................................... 3-7 3.6 Installing the XPIC Cross-Connect Cables (Optional)............................................ 3-8
Chapter 4 Installation Check ..................................................................... 4-1 4.1 Installation Check for the ZXMW NR8950 ............................................................ 4-1 4.2 Cable Installation Check ..................................................................................... 4-2
Chapter 5 Power On and Power Off.......................................................... 5-1 5.1 Power on ........................................................................................................... 5-1 5.2 Power off ........................................................................................................... 5-3
Appendix A Antenna Pole Installation (Optional)................................... A-1 A.1 Installing the Pole on the Roof of a Building ......................................................... A-1 A.2 Installing the Pole on an Angle Steel Tower ......................................................... A-3
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Appendix B Installing Antenna ................................................................ B-1 Appendix C Antenna Adjustment (Optional) .......................................... C-1 C.1 Adjusting the Polarization Mode of an Antenna ....................................................C-1 C.2 Adjusting the Antenna Azimuth ...........................................................................C-4 C.3 Adjusting the Antenna Pitch Angle ......................................................................C-5
Appendix D Installing the PIMDC............................................................. D-1 Appendix E Installing the PSE ..................................................................E-1 Glossary .......................................................................................................... I
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About This Manual Purpose This manual describes the hardware installation procedure of the ZXMW NR8950 digital microwave system, to guide installation engineers to install the ZXMW NR8950 correctly, safely and in compliance with specifications.
Intended Audience This manual is intended for: l l l
Equipment installation engineers Installation supervision engineers Maintenance engineers
What Is in This Manual This manual contains the following chapters and appendix. Chapter 1, Overview
Describes the ZXMW NR8950 hardware installation flow, precautions, and preparation for tools and instruments.
Chapter 2, ZXMW NR8950 Installation
Describes how to install the ZXMW NR8950.
Chapter 3, Cable Installation
Describes how to install the cables of the ZXMW NR8950.
Chapter 4, Installation Check
Describes the checking process after the ZXMW NR8950 installation is completed.
Chapter 5, Power On and Power Off
Describes how to power on and power off the ZXMW NR8950.
Appendix A, Antenna Pole Installation (Optional)
Describes antenna pole installation.
Appendix B, Installing Antenna
Describes antenna installation.
Appendix C, Antenna Adjustment (Optional)
Describes antenna azimuth adjustment.
Appendix D, Installing the PIMDC
Describes how to install the PIMDC and its cables.
Appendix E, Installing the PSE
Describes how to install the PSE.
Conventions This manual uses the following conventions.
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Danger: indicates an imminently hazardous situation. Failure to comply can result in death or serious injury, equipment damage, or site breakdown. Warning: indicates a potentially hazardous situation. Failure to comply can result in serious injury, equipment damage, or interruption of major services. Caution: indicates a potentially hazardous situation. Failure to comply can result in moderate injury, equipment damage, or interruption of minor services. Note: provides additional information about a topic.
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Chapter 1
Overview Table of Contents Completed Installation ................................................................................................1-1 Installation Flow .........................................................................................................1-4 Installation Precautions ..............................................................................................1-5 Preparation for Tools and Instruments ........................................................................1-6
1.1 Completed Installation Powered Through a Power Cable If the ZXMW NR8950 is powered through a power cable, it is directly connected to the DC power supply equipment through the DC lightning protection module (PIMDC), see Figure 1-1.
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Figure 1-1 Completed Installation (Powered Through a Power Cable)
1. Antenna 2. NR8950
3. DC lightning protection module
4. Operating terminal 5. DC power supply
Powered Through PoE In a PoE power supply scenario, the ZXMW NR8950 is connected to the PSE module by an Ethernet cable connected to the Ethernet electrical interface (GbE1&PoE), see Figure 1-2.
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Chapter 1 Overview
Figure 1-2 Completed Installation (PoE)
1. NR8950 2. Antenna
3. PES module 4. DC power supply
5. Operating terminal
Powered by an AC Power Supply In an AC power supply scenario, the AC-DC power supply equipment is used to convert the AC voltage (90 V AC–290 V AC) to the DC voltage (–54 V DC), see Figure 1-3.
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Figure 1-3 Completed Installation (AC Power Supply)
1. Antenna 2. NR8950 3. DC lightning protection module
4. AC-DC power supply equipment 5. Operating terminal
6. Photoelectric converter (used for commissioning)
1.2 Installation Flow For the ZXMW NR8950 installation flow, see Figure 1-4.
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Chapter 1 Overview
Figure 1-4 Installation Flow
1.3 Installation Precautions The following precautions must be noted for hardware installation: l l l
l
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Non-professionals should not install or debug the system unless they are instructed by professionals on the site. Installation personnel must be very careful of personal safety, and avoid accidents such as electric shocks or personal injury due to falling objects. To avoid eye injury caused by laser beams, installation personnel must not directly look at the cross-section of any optical fiber or the socket of an optical terminal during the installation of optical fibers. Replacing any part or a device might result in unexpected dangers. Therefore, replacement of any part or a device can be implemented only after authorization is acquired. To ensure your safety, contact ZTE Corporation if you have any question.
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1.4 Preparation for Tools and Instruments Prepare tools and instruments listed in Table 1-1, and use them in accordance with the actual requirements. Table 1-1 Tools and Instruments Name
Example
Name
Antistatic wrist
Example
Spanner
glove
Wire stripper
Crimper
Crystal
Wire
connector
punchdown
crimper
tool
Hex wrench
Screwdriver
Plier
Paper knife
Crowbar
Telescope
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Chapter 1 Overview
Name
Example
Name
Pulley
Example
PVC insulating tape
Hand file
Marking pen
Waterproof
Hoisting cable
cement
Tape
Sleeve
Multimeter
Grounding resistance tester
Compass
GPS
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Chapter 2
ZXMW NR8950 Installation Installation Modes l l
In accordance with installation types, the ZXMW NR8950 installation falls into two types: buckle installation and split installation. In accordance with the configured amount of the ZXMW NR8950 and antenna, the ZXMW NR8950 installation falls into two types: installation with a combiner and installation without any combiner.
For ZXMW NR8950 installation modes, refer to Table 2-1. Table 2-1 ZXMW NR8950 Installation Modes Installation Mode
Single-Polarized Antenna
Dual-Polarized Antenna
Buckle
Without
For detailed information of the
-
installa-
combiner
installation process, refer to “2.1.1
tion
1+0 Buckle Installation”. With combiner
l
For detailed information of the
-
installation process, refer to “2.1.2 1+1 Buckle Installation”. l
For detailed information of the installation process, refer to“2.1.3 2+0 Buckle Installation”
Split in-
Without
For detailed information of the
For detailed information of the
stalla-
combiner
installation process, refer to
installation process, refer to
“2.2.1 1+0 Separate Installation
“2.2.3 2+0 Separate Installation
(Single-Polarization)”.
(Dual-Polarization)”.
For detailed information of the
For detailed information of the
installation process, refer to
installation process, refer to
“2.2.2 1+1 Separate Installation
“2.2.4 2+2 Separate Installation
(Single-Polarization)”.
(Dual-Polarization)”.
tion
With combiner
Adjusting Polarization Mode This procedure describes how to adjust the ZXMW NR8950 polarization mode during the installation process. Here, the vertical polarization adjustment is used as an example. 1. Loose the guide screws anticlockwise, and remove the guide pin from the guide hole, see Figure 2-1.
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Figure 2-1 Removing the Guide Pin
2. Rotate the guide pin 90° clockwise (from “V” to “H”), and place the guide pin marked with “H” upwards, see Figure 2-2. Figure 2-2 Adjusting the Guide Pin Direction
Note: During the guide pin adjustment, please strictly perform the related operations in compliance with the directions mentioned in Figure 2-2.
3. Place the guide pin on the guide hole, and tighten the guide screws clockwise, see Figure 2-3.
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Figure 2-3 Installing the Guide Pin
Table of Contents Buckle Installation ......................................................................................................2-3 Separate Installation.................................................................................................2-21
2.1 Buckle Installation 2.1.1 1+0 Buckle Installation For the installation components and tools used in 1+0 buckle installation, refer to Table 2-2.
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Table 2-2 Installation Components and Tools Used in 1+0 Buckle Installation Compo-
Qua-
nent / Tool
ntity
Antenna
One
ZXMW
One
Graph
NR8950
Hex
One
wrench
set
Lubricant
One
-
Prerequisite The ZXMW NR8950 polarization mode is the same as that of the antenna.
Steps 1. Remove the waveguide diaphragm from the ZXMW NR8950's antenna interface, see Figure 2-4. 2-4 SJ-20151105160201-004|2016-01-27 (R1.1)
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Figure 2-4 Removing the Waveguide Diaphragm
2. Put lubricant on the antenna interface of the ZXMW NR8950 and the waveguide interface of the antenna, see Figure 2-5. Figure 2-5 Putting Lubricant
1. ZXMW NR8950 antenna interface 2. Lubricant
3. Antenna waveguide interface 4. Waterproof rubber ring
Caution! The waterproof rubber ring must be in good condition.
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3. Align the antenna interface of the ZXMW NR8950 with the feeder source, slowly insert it into the waveguide interface of the antenna, and verify that the screw hole on the ZXMW NR8950 is aligned with the corresponding screw hole on the antenna, see Figure 2-6. Figure 2-6 Installing the ZXMW NR8950
4. Fasten four M6 captive screws about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence, see Figure 2-7.
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Figure 2-7 Securing Screws
– End of Steps –
Result The ZXMW NR8950 is installed completely in 1+0 buckle installation, see Figure 2-8.
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Figure 2-8 ZXMW NR8950 1+0 Buckle Installation Completed
2.1.2 1+1 Buckle Installation For installation components and tools used in 1+1 buckle installation, refer to Table 2-3. Table 2-3 Installation Components and Tools Used in 1+1 Buckle Installation Compo-
Qua-
nent / Tool
ntity
Antenna
One
Graph
-
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Compo-
Qua-
nent / Tool
ntity
Graph
Combiner
One
ZXMW
Two
-
One
-
NR8950 Hex wrench
set Lubricant
One
-
Before installing the ZXMW NR8950, installation personnel must verify that the polarization mode of the combiner is the same as that of the antenna. For the combiner polarization mode adjustment), see Figure 2-9. Here, the adjustment from horizontal polarization to vertical polarization is used as an example. Figure 2-9 Adjusting the Polarization Mode of a Combiner
1. Remove the screws from the polarization plate 2. Rotate the polarization plate 45° clockwise.
3. Install the screws on the polarization plate. 4. The vertical polarization adjustment is completed.
Steps 1. Remove the waveguide diaphragm from the ZXMW NR8950 antenna interface, refer to “step 1” in “2.1.1 1+0 Buckle Installation”.
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2. Put lubricant on the antenna interface of the ZXMW NR8950, the waveguide interface of the antenna, and the combiner interfaces, see Figure 2-10. Figure 2-10 Putting Lubricant
1. ZXMW NR8950 antenna interface 2. Lubricant
3. Antenna waveguide interface 4. Waterproof rubber ring
5. Combiner interfaces
Caution! The waterproof rubber ring must in good condition.
3. Install the combiner on the feeder source of the antenna, see Figure 2-11.
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Figure 2-11 Installing the Combiner
Caution! Fasten the four captive screws of the combiner about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence.
4. Install two ZXMW NR8950s on the two sides of the combiner, see Figure 2-12.
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Figure 2-12 Installing the ZXMW NR8950
Caution! Fasten the four captive screws of each ZXMW NR8950 about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence, see Figure 2-13.
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Figure 2-13 Fastening screws
– End of Steps –
Result The ZXMW NR8950 is installed completely in 1+1 buckle installation, see Figure 2-14.
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Figure 2-14 ZXMW NR8950 1+1 Buckle Installation Completed
2.1.3 2+0 Buckle Installation For installation components and tools used in 2+0 buckle installation, refer to Table 2-4. Table 2-4 Installation Components and Tools Used in 2+0 Buckle Installation Component/
Qua-
Tool
ntity
Antenna
one
Graph
-
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Component/
Qua-
Tool
ntity
Graph
OMT
one
ZXMW NR8950
two
-
Hex wrench
one
-
set Lubricant
one
-
Prerequisite The OMT polarization modes are the same as that of the ZXMW NR8950.
Steps 1. Remove the waveguide diaphragm from the ZXMW NR8950 antenna interface, refer to “step 1.” in “2.1.1 1+0 Buckle Installation”. 2. Apply a lubricant on the antenna interface of the ZXMW NR8950, the waveguide interface of the antenna, and the OMT interfaces, see Figure 2-15.
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Figure 2-15 Applying a Lubricant
1. ZXMW NR8950 antenna interface 2. Lubricant
3. Antenna waveguide interface 4. Waterproof rubber ring
5. OMT interfaces
Caution! The waterproof rubber ring must in good condition.
3. Install the OMT on the feeder source of the antenna, see Figure 2-16.
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Figure 2-16 Installing the OMT
Caution! Screw six M6 captive screws of OMT in about 70% of the depth and tighten screws in diagonal sequence.
4. Install two ZXMW NR8950 on the two sides of the OMT, see Figure 2-17.
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Figure 2-17 Installing ZXMW NR8950
5. Screw four M6 captive screws of each ZXMW NR8950 in about 70% of the depth and tighten screws in diagonal sequence, seeFigure 2-18.
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Figure 2-18 Securing Screws
6. Perform the following steps to adjust the cross-polarization discrimination (XPD) value: a. Stop the horizonatally-polarized transmit signals of the opposite end. b. Use the multimeter to measure the vertically-polarized singals of the local end, and adjust the XPD bolt to minimize the XPD value. c. Stop the vertically-polarized transmit signals of the opposite end. d. Use the multimeter to measure the horizonatally-polarized singals of the local end, and adjust the XPD bolt to minimize the XPD value. e. Repeat steps a-d to optimize the XPD value. – End of Steps –
Result The ZXMW NR8950 is installed completely in 2+0 buckle installation mode, see Figure 2-19. 2-19 SJ-20151105160201-004|2016-01-27 (R1.1)
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Figure 2-19 2+0 Buckle Installation Completed
Related Tasks After the ZXMW NR8950 is installed, in the antenna adjusting process, the vertical or horizontal azimuth can be adjusted within the range of ± 5 ° through polarization fine adjusting unit, see Figure 2-20.
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Figure 2-20 Adjusting the azimuth of OMT
2.2 Separate Installation 2.2.1 1+0 Separate Installation (Single-Polarization) This procedure uses the single-polarized antenna manufactured by SHENGLU Corporation as an example to describe how to install a ZXMW NR8950 in 1+0 separate installation mode. For installation components and tools used in 1+0 separate installation, refer to Table 2-5.
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Table 2-5 Installation Components and Tools Used in 1+0 Separate Installation Compo-
Qua-
nent / Tool
ntity
Single-
One
Graph
polarized antenna
ZXMW
One
-
NR8950 Installation
One
bracket
Flexible
One
waveguide
Hex wrench
One
-
set Adjustable
One
-
wrench
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Compo-
Qua-
nent / Tool
ntity
Graph
Screw-
One
driver
set
Lubricant
One
-
Flexible
-
-
-
waveguide clamp (for flexible waveguide over 0.6 m)
Steps 1. Install the separate installation bracket on the pole, see Figure 2-21. Figure 2-21 Installing the Installation Bracket
1. Nut 2. Spring washer
3. Flat washer 4. Installation bracket
5. Bolt
2. Remove the waveguide diaphragm from the ZXMW NR8950's antenna interface, refer to “step 1” in “2.1.1 1+0 Buckle Installation”. 3. Install the ZXMW NR8950 on the installation bracket, see Figure 2-22.
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Figure 2-22 Installing the ZXMW NR8950
Caution! Fasten the four captive screws of the ZXMW NR8950 about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence.
4. Install the UDR end of the flexible waveguide on the single-polarized antenna, and install the PDR end of it on the installation bracket, see Figure 2-23.
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Figure 2-23 Installing the Flexible Waveguide
5. Use flexible waveguide clamps to fix the flexible waveguide, put lubricant on the flexible waveguide surface, and paste labels on the two ends of the flexible waveguide.
Note: Flexible waveguides shorter than 0.6 m need not be fixed. Flexible waveguides longer than 0.6 m should be fixed by flexible waveguide clamps.
– End of Steps –
Result The ZXMW NR8950 is installed completely in 1+0 separate installation mode (here, the antenna is single-polarized), see Figure 2-24.
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Figure 2-24 ZXMW NR8950 1+0 Separate Installation Completed (Single-Polarized Antenna)
2.2.2 1+1 Separate Installation (Single-Polarization) This procedure uses the single-polarized antenna manufactured by SHENGLU Corporation as an example to describe how to install ZXMW NR8950s in 1+1 separate installation mode. For installation components and tools used in 1+1 separate installation, refer to Table 2-6. Table 2-6 Installation Components and Tools Used in 1+1 Separate Installation Component/Tool
Quantity
Single-polarized antenna
One
Combiner
One
ZXMW NR8950
Two
Installation bracket
One
Flexible waveguide
One
Hex wrench
One set
Adjustable wrench
One
Screwdriver
One set
Lubricant
One
Flexible waveguide clamp (for
-
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Steps 1. Install the installation bracket on the pole, refer to “step 1” in “2.2.1 1+0 Separate Installation (Single-Polarization)”. 2. Install the combiner on the installation bracket, see Figure 2-25. Figure 2-25 Installing the ZXMW NR8950 Combiner
Caution! Fasten the four captive screws of the combiner about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence.
3. Remove the waveguide diaphragm from the ZXMW NR8950's antenna interface, refer to “step 1” in “2.1.1 1+0 Buckle Installation”. 4. Install the two ZXMW NR8950s on the combiner, see Figure 2-26.
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Figure 2-26 Installing the ZXMW NR8950
Caution! Fasten the four captive screws of the ZXMW NR8950 about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence.
5. Install the UDR end of the flexible waveguide on the single-polarized antenna, and install the PDR end of it on the installation bracket. 6. Use flexible waveguide clamps to fix the flexible waveguide, put lubricant on the flexible waveguide surface, and paste labels on the two ends of the flexible waveguide.
Note: Flexible waveguides shorter than 0.6 m need not be fixed. Flexible waveguides longer than 0.6 m should be fixed by flexible waveguide clamps.
– End of Steps –
Result The ZXMW NR8950 is installed completely in 2+0 separate installation mode (here, the antenna is dual-polarized), see Figure 2-27.
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Figure 2-27 ZXMW NR8950 1+1 Separate Installation Completed (Single-Polarized Antenna)
2.2.3 2+0 Separate Installation (Dual-Polarization) This procedure uses the dual-polarized antenna manufactured by SHENGLU Corporation as an example to describe how to install ODUs in 2+0 separate installation mode. For installation components and tools used in 2+0 separate installation, refer to Table 2-7. Table 2-7 Installation Components and Tools Used in 2+0 Separate Installation Compo-
Qua-
nent/Tool
ntity
Dual-polarized
One
Graph
antenna
ZXMW NR8950
Two
-
Installation
Two
-
Two
-
bracket Flexible waveguide 2-29 SJ-20151105160201-004|2016-01-27 (R1.1)
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Compo-
Qua-
nent/Tool
ntity
Hex wrench
One
Graph
-
set Adjustable
One
-
One
-
wrench Screwdriver
set Lubricant
One
-
Flexible
-
-
waveguide clamp (for flexible waveguide over 0.6 m)
Steps 1. Install two installation brackets on the pole. 2. Remove the waveguide diaphragm from the ZXMW NR8950's antenna interface, refer to “step 1” in “2.1.1 1+0 Buckle Installation”. 3. Install two ZXMW NR8950s on the two installation brackets respectively, see Figure 2-28.
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Figure 2-28 Installing the ZXMW NR8950
Caution! Fasten the four captive screws of the ZXMW NR8950 about 70% of the screw depth into the screw holes, and secure the screws one by one in diagonal sequence.
4. Install the UDR ends of the two flexible waveguides on the dual-polarized antenna, and install the PDR ends of the two flexible waveguides on the two installation brackets respectively, see Figure 2-29.
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Figure 2-29 Installing the Flexible Waveguide
5. Use the flexible waveguide clamp to fix the flexible waveguide, put lubricant on the flexible waveguide surface, and paste labels on the two ends of the flexible waveguide.
Note: Flexible waveguides shorter than 0.6 m need not be fixed. Flexible waveguides longer than 0.6 m should be fixed by flexible waveguide clamps.
– End of Steps –
Result The ZXMW NR8950 is installed completely in 2+0 separate installation mode (here, the antenna is single-polarized), see Figure 2-30.
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Figure 2-30 ZXMW NR8950 2+0 Separate Installation Completed (Dual-Polarized Antenna)
2.2.4 2+2 Separate Installation (Dual-Polarization) This procedure uses the dual-polarized antenna manufactured by SHENGLU Corporation as an example to describe how to install ZXMW NR8950s in 2+2 separate installation mode. For installation components and tools used in 2+2 separate installation, refer to Table 2-8. Table 2-8 Installation Components and Tools Used in 2+2 Separate Installation Component/Tool
Quantity
Dual-polarized antenna
One
ZXMW NR8950
Four
Installation bracket
Two
Combiner
Two
Flexible waveguide
Two
Hex wrench
One set
Adjustable wrench
One
Screwdriver
One set
Lubricant
One 2-33
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Component/Tool
Quantity
Flexible waveguide clamp (for flexible
-
waveguide over 0.6 m)
Steps 1. Install the two installation brackets on the pole, refer to “step 1” in “2.2.3 2+0 Separate Installation (Dual-Polarization)”. 2. Install the two combiners on the two installation brackets respectively, refer to “step 2” in “2.2.2 1+1 Separate Installation (Single-Polarization)”. 3. Remove the waveguide diaphragm from the ZXMW NR8950's antenna interface, refer to “step 1” in “2.1.1 1+0 Buckle Installation”. 4. Install the four ZXMW NR8950s on the two combiners respectively, refer to “step 4” in “2.2.2 1+1 Separate Installation (Single-Polarization)”. 5. Install the UDR ends of the two flexible waveguides on the dual-polarized antenna, and install the PDR ends of the two flexible waveguides on the two installation brackets respectively, refer to “step 4” in “2.2.3 2+0 Separate Installation (Dual-Polarization)”. 6. Use the flexible waveguide clamp to fix the flexible waveguide, put lubricant on the flexible waveguide surface, and paste labels on the two ends of the flexible waveguide.
Note: There is no need to fix the 0.6 m flexible waveguide. For flexible waveguides longer than 0.6 m, installation personnel should use the flexible waveguide clamp to fix them.
– End of Steps –
Result The ZXMW NR8950s are installed completely in 2+2 separate installation mode (here, the antenna is dual-polarized), see Figure 2-31.
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Figure 2-31 ZXMW NR8950 2+2 Separate Installation Completed (Dual-Polarized Antenna)
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Chapter 3
Cable Installation Table of Contents Cable Installation Requirements .................................................................................3-1 Installing the Protective Grounding Cable ...................................................................3-2 Installing the Power Cable..........................................................................................3-3 Installing the Ethernet Cable.......................................................................................3-5 Installing the Optical Fiber ..........................................................................................3-7 Installing the XPIC Cross-Connect Cables (Optional) .................................................3-8
3.1 Cable Installation Requirements The following lists the cable installation requirements: l
l l l
l l l
l
l
In the equipment room where support and static floor are installed, all cables can be routed in downward cabling mode, that is, cables are routed from the in-between floor or a cable trough. If cables are routed in upward cabling mode, a cable rack must be paved above the cabinet, and cables are routed through the cable rack. Before leading the outdoor cable into the equipment room, a waterproof bend must be made. The cable layout position must be designed in advance, and all cables must be in good condition and routed in order. External cables include the power cable, tail fiber, trunk cable, and other signal cables. Cables in the cable rack must be bundled by category, and cannot be crossed. The cables must be fixed by cable ties, with a spacing of 1 m – 1.5 m between each other. All cables must not be spiral. Cable bendings must be smooth and round, and the minimum bending radius is not less than 60 mm. Cables must be bundled tidily and straightly, with appropriate tension and even spacing between cable ties. The surplus cable part must be cut off, leaving no sharp edge. Cables routed in a cable trough can be loose, but must be straight and not crossed, and the cables cannot go beyond the cable trough. Cables must be bundled at the cable trough's entry/exit and where cables are bent. The trunk cables that are routed from the cabinet to the relay rack cannot be pulled tightly, and the extra cables should not be cut off. Cables routed in a cable trough or on the raised floor must be bundled separately, and must be straight and not crossed. After being routed, the cables must be tidy and in good condition, and sufficient margin should be reserved as required.
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l
l
Cables must be pasted with labels, including project user cable label, IF cable label, fiber cable label, and power cable label. A label is pasted 2 cm from the cable end. It specifies the direction of the two ends of the cable: cabinet No. + board No. + socket No. The cable routing must facilitate maintenance and future expansion.
3.2 Installing the Protective Grounding Cable This procedure describes how to install the protective grounding cable. The cross-sectional area of the protective grounding cable is 16 mm2. The length of the protective grounding cable is not fixed upon delivery. Installation personnel should make the terminals at the two ends in accordance with the actual condition.
Steps 1. In accordance with the distance to the grounding point, cut the protective grounding cable and crimp the terminals. 2. Fix one terminal of the grounding cable on the grounding screw of the ZXMW NR8950, see Figure 3-1. Figure 3-1 Connecting the Protective Grounding Cable
3. Connect the other end of the protective grounding cable to the grounding busbar of the metal tower, and crimp the terminals in accordance with the grounding busbar structure and size.
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Before connecting the grounding busbar, remove the antirust paint and the oxidization layer from the grounding point. After the connection is completed, perform antirust handling for the grounding point. – End of Steps –
3.3 Installing the Power Cable This procedure describes how to install the power cable.
Prerequisite l l
The protective grounding cable is installed. The power switch on the power box that connects the power supply of the ZXMW NR8950 is turned off.
Steps 1. Cut a bared power cable of a certain length as planned. 2. Install the round power cable plug to the bared power cable, see Figure 3-2. Figure 3-2 Installing the Power Cable Plug
3. Insert the cable into the terminal hole and fix the cable with screws, see Figure 3-3.
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Figure 3-3 Fixing the Power Cable Plug
Note: The terminals must be connected to the correct connectors with the corresponding silk screen marks. l l
“-” to the –48 V connector (blue wire) “+” to the –48 V RTN connector (black wire)
After all screws are tightened, make sure that the power cable is not loose when you pull it with a force of 2 kg.
4. Tighten the seal assembly clockwise to fix it to the plug and tighten the tail nut to fix the cable, see Figure 3-4. Figure 3-4 Completed Installation
5. Connect one end of the power cable with appropriate length to the power interfaces of the ZXMW NR8950, see Figure 3-5.
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Figure 3-5 Installing the Power Cable
6. Connect the other end of the power cable to the office power supply. – End of Steps –
3.4 Installing the Ethernet Cable This procedure describes how to install the Ethernet cable. Use the outdoor category 5e shielded cable with 8P8C straight cable crimped shielded terminals as the Ethernet cable.
Steps 1. Select an Ethernet cable of a proper length in accordance with the actual requirements. 2. Paste labels at the two ends of the Ethernet cable. 3. Put the waterproof sleeve on the Ethernet cable. 4. Crimp the Ethernet cable with the shielded connector. The 568B standard straight network cable is recommended. The wire sequences at both ends must be the same, see Figure 3-6.
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Figure 3-6 Wire Sequence of the Straight Network Cable (568B Standard Cable)
1. White, orange 2. Orange 3. White, green
4. Blue 5. White, blue 6. Green
7. White, brown 8. Brown
5. Connect the Ethernet cable to the Ethernet port of the ZXMW NR8950 see Figure 3-7. Figure 3-7 Installing the Ethernet Cable
6. Fasten the waterproof sleeve until it reaches the flange, and tighten the locknut of the waterproof sleeve. – End of Steps –
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3.5 Installing the Optical Fiber This procedure describe how to install the optical fiber.
Steps 1. Check whether the ZXMW NR8950 GbE2 interface contains an optical module, and perform the corresponding operations as follows. If...
Then...
The GbE2 interface contains an
Perform step 2.
optical module The GbE2 interface does not
Insert an optical module into the ZXMW NR8950 GbE2 interface
contain any optical module
2. Select an optical fiber of a proper length and paste labels at the two ends of it. 3. Connect one end of the fiber to the ZXMW NR8950 GbE2 interface, see Figure 3-8. Figure 3-8 Installing the Optical Fiber
4. Connect the other end of the fiber in accordance with the actual requirements. – End of Steps –
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3.6 Installing the XPIC Cross-Connect Cables (Optional) The Cross Polarization Interference Canceller (XPIC) technology helps to reduce the interference among dual-polarization signals and enhances the system immunity. The XPIC cross-connect cable connects the XPIC IF interfaces of two ZXMW NR8950s, transmitting the interference cancelling IF signal between two ZXMW NR8950s.
Prerequisite The IDU protective grounding cable is installed.
Context l
For the 2+0 XPIC cross connect, see Figure 3-9. Figure 3-9 2+0 XPIC Cross Connect (Bottom View)
l
For the 2+2 XPIC cross connect, see Figure 3-10.
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Figure 3-10 2+2 XPIC Cross Connect
Figure 3-11 shows the difference between the 2+2 XPIC HSB protection configuration and the 2+2 XPIC SD protection configuration. Figure 3-11 2+2 XPIC HSB and 2+2 XPIC SD Cross Connection
Steps 1. Paste labels at the two ends of the XPIC cross-connect cable. 2. Use a torque spanner with SMA connector to fasten the two ends of the four XPIC cross-connect cables on the X_IN interface and the X_OUT interface on the four ZXMW NR8950s respectively. 3. Tighten the QMA corrugated tubes at the corresponding point of the shell, see Figure 3-12.
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Figure 3-12 Installing the XPIC Cross-Connect Cables
– End of Steps –
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Chapter 4
Installation Check Table of Contents Installation Check for the ZXMW NR8950...................................................................4-1 Cable Installation Check.............................................................................................4-2
4.1 Installation Check for the ZXMW NR8950 This check involves the installation of the ZXMW NR8950, antenna, combiner, and the components for separate-installation. Table 4-1 Check Items for the Installation of the Antenna, Combiner, and ZXMW NR8950 Item
Requirement
1
The installation position and direction of the antenna meet the engineering design requirements.
2
The antenna is installed with a correct orientation; that is, the side with a larger area faces upwards while the side with a smaller area faces downwards.
3
The support of the antenna is firmly fixed to the pole, meeting the wind resistance requirements.
4
The four screws of the ZXMW NR8950 are fastened tightly.
5
The four screws of the combiner are fastened tightly.
6
The antenna, combiner, and ZXMW NR8950 are in the coverage of the lightning rod. The protection angle of the antenna's lightning rod should be less than 45° in general, and less than 30° in the areas with high mountains or frequent thunderstorms.
Table 4-2 Installation Check Items for Separate-Installation Components Item
Requirement
1
The installation position and direction of the ZXMW NR8950's adapter meet the engineering design requirements.
2
The adapter of the ZXMW NR8950 is firmly fixed to the pole, meeting the wind resistance requirements.
3
The four screws of the antenna adapter are fastened on the antenna tightly.
4
The flange interfaces of the flexible waveguide are connected to the ZXMW NR8950's adapter and antenna adapter (or the antenna) firmly and reliably.
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Item
Requirement
5
The bending radius of the flexible waveguide does not exceed the allowable value, with a torsional angle not more than 90°.
6
The components for separate-installation are in the coverage of the lightning rod. The protection angle of the antenna's lightning rod should be less than 45° in general, and less than 30° in the areas with high mountains or frequent thunderstorms.
4.2 Cable Installation Check This check involves the installation of the cables of the ZXMW NR8950, the power cable and grounding cable of the cabinet. Table 4-3 Check Items for Cable Installation of the ZXMW NR8950 Item
Requirement
1
The cable layout meets the engineering design requirements for easy maintenance and capacity expansion.
2
The cables are in good condition without any damage, breakage, or in-between joint.
3
The cables are laid in order and bundled with a proper force, with even spacing between cable ties. The unwanted part of the ties are cut after bundling, leaving no sharp edges.
4
The fiber pigtail is protected with a protection tube or trough.
5
The protection tube of the fiber pigtail is bundled and fixed inside the cabinet.
6
The protection tube of the fiber pigtail is cut smoothly and, if necessary, wrapped with insulating tapes at the cut to protect against injuries.
7
The fiber pigtail is not bundled too tightly. It is desirable for the fiber pigtail to be drawn out of the cable ties easily.
8
The fiber pigtail is laid without other cables or objects placed on it.
9
The joint of the fiber pigtail is clean and dust-free. Unused fiber connectors and optical interfaces on a board are covered with protection caps or plugs.
10
The cable bends are smooth and round, with a bending radius as large as possible.
11
The signal cables are labelled properly with all labels in good order and in the same direction. They are recommended to be labelled 2 cm from the plug. Labels can be made at the request of customers.
12
Unused cable connectors are covered with, for example, protection caps.
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Table 4-4 Check Items for Installation of the Cabinet's Power Cable and Grounding Cable Item
Requirement
1
Layout of the power cable and grounding cable meet the engineering design requirements for easy maintenance and capacity expansion.
2
The power cable or grounding cable of the cabinet is connected properly.
3
The cross-sectional area of the power cable and grounding cable satisfies the power supply requirements of the equipment.
4
The core of the power cable and grounding cable is made of an integrated copper wire without any joint.
5
When the power cable or grounding cable is connected to the primary power supply, copper grounding bar, or first cabinet of each row, cut the unwanted part of the cable.
6
Outside the cabinet, the power cable, grounding cable, and the signal cables are routed separately, with a distance of 3 cm between each other.
7
The power cable or grounding cable is routed and bundled straightly and in good order.
8
The bends of the power cable and grounding cable are smooth and round.
9
The power cable or grounding cable is welded or crimped to the cable lug securely.
10
The cable lug's handle and the bare part of the power cable or grounding cable are wrapped by tube or insulating tape. There is no bare copper wire at the cable lugs and terminals, and the flat washer and spring washer are installed correctly.
11
Inside the cabinet, all the devices with metal casings are grounded correctly and connected reliably.
12
The power cable and grounding cable are labelled properly with all labels in good order and in the same direction. They are recommended to be labelled 2 cm from the plug. Labels can be made at the request of customers. The power distribution switch of the first cabinet of each row is labelled clearly.
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Chapter 5
Power On and Power Off Table of Contents Power on....................................................................................................................5-1 Power off....................................................................................................................5-3
5.1 Power on The AOU can be supplied power through the direct, NR8250 and PSE box power-on procedures.
Prerequisite l l
The power cable and grounding cable of the AOU are connected correctly. The power supply of the AOU is turned off.
Power-on Procedures Figure 5-1 Direct Power-on Procedure
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Figure 5-2 NR8250 Power-on Procedure
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Figure 5-3 PSE Box Power-on Procedure
5.2 Power off For the AOU power-off procedure, see Figure 5-4. Figure 5-4 Power-off Procedure
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Appendix A
Antenna Pole Installation (Optional) Poles are used to fix antennas. Before installing an antenna on a pole, installation personnel must connect the pole to or fixed the pole on an object with certain strength, such as a metal tower or cement wall. This procedure describes how to install the pole on the roof of a building and on an angle steel tower.
Caution! This equipment should be installed and operated with minimum distance 16m between the radiator & your body.
Table of Contents Ÿ Installing the Pole on the Roof of a Building ............................................................ A-1 Ÿ Installing the Pole on an Angle Steel Tower ............................................................ A-3
A.1 Installing the Pole on the Roof of a Building This procedure describes how to install the antenna pole on the roof of a building.
Steps 1. Assemble the components for pole installation, see Figure A-1.
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Figure A-1 Assembling the Pole Installation Components
2. Fix the main body of the pole to the roof with expansion bolts, and install the three feet of the pole on the roof.
Note: The installation process described above is only for reference because the installation varies from one site to another.
Figure A-2 shows the installed pole.
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Appendix A Antenna Pole Installation (Optional)
Figure A-2 Installed Pole
– End of Steps –
A.2 Installing the Pole on an Angle Steel Tower This procedure describes how to install the antenna pole on an angle steel tower.
Steps 1. Install a flat washer, spring washer, and nut on one end of a straight bolt, see Figure A-3.
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Figure A-3 Assembling a Straight Bolt
2. Hoist the pole assembly to the height and position specified in the design drawing. 3. Install the pole assembly on the angle steel tower, see Figure A-4.
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Appendix A Antenna Pole Installation (Optional)
Figure A-4 Installing the Pole on the Angle Steel Tower
1. Assembled straight bolt 2. Pole installation component
3. Angle steel on the angle steel tower 4. Flat washer 5. Spring washer
6. Nut
Figure A-5 shows the installed pole.
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Figure A-5 Installed Pole
– End of Steps –
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Appendix B
Installing Antenna This installation of antenna has two manners: left installation and right installation, see Figure B-1. User can choose one manner based on the installation site and circuit design. Only antenna right installation is introduced herein. The left installation is similar to the right installation. Figure B-1 Manners of Antenna Installation
Steps 1. (Optional) Install the anti-fall clamp to the pole.
Note: If there is no anti-fall clamp, go to Step 2.
2. Install the hanging bracket to the pole, see Figure B-2.
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Figure B-2 Installing Hanging Bracket
3. Install the elevation angle preset to antenna, see Figure B-3.
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Appendix B Installing Antenna
Figure B-3 Installing the Elevation Angle Preset
4. Install one of the two bolts M10×40 to the antenna, keeping the distance of 20 mm, and another one on standby, see Figure B-4.
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Figure B-4 Installing the Bolts
Four screw holes (No.1, 2, 3 and 4) are available in elevation angle preset. Screw Hole
Elevation Angle
Range of Antenna Adjustment
No.1 and 3
0°
±15°
No.1 and 4
10° up
-5° to +25°
No.1 and 2
10° down
-25° to +5°
5. Hoist the antenna, and the bolt in antenna will move down into the groove of elevation adjuster. Tighten two bolts after the preset angle is confirmed, see Figure B-5.
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Appendix B Installing Antenna
Figure B-5 Antenna Hoisting
– End of Steps –
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Appendix C
Antenna Adjustment (Optional) Table of Contents Ÿ Adjusting the Polarization Mode of an Antenna....................................................... C-1 Ÿ Adjusting the Antenna Azimuth ............................................................................... C-4 Ÿ Adjusting the Antenna Pitch Angle .......................................................................... C-5
C.1 Adjusting the Polarization Mode of an Antenna This procedure describes how to adjust the polarization mode of an antenna.
Context A feeder provides two polarization modes: l
Vertical polarization (see Figure C-1) The polarization arrow on the feeder is aligned with the mark "V" on the antenna.
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Figure C-1 Vertical Polarization
1. Feeder fastener 2. Polarization arrow
l
3. Screw 4. Feeder
Horizontal polarization (see Figure C-2) The polarization arrow on the feeder is aligned with the mark "H" on the antenna.
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Appendix C Antenna Adjustment (Optional)
Figure C-2 Horizontal Polarization
Steps 1. Loosen the four screws on the feeder. 2. Rotate the feeder by 90° clockwise, see Figure C-3. Figure C-3 Adjusting From Vertical Polarization to Horizontal Polarization
3. Fasten the four screws on the feeder.
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Note: Adjustment from horizontal polarization to vertical polarization is made in the same way. The adjustment requirements depend on the actual circuit on site.
– End of Steps –
C.2 Adjusting the Antenna Azimuth This procedure describes how to adjust the antenna azimuth.
Context l l
l
The antenna azimuth can be finely adjusted in a range of ±15°. If this range is not big enough for actual applications, users can change the position of the anti-falling angle steel before adjusting the azimuth. In that case, a U-clamp must be used to fix the bracket. Figure C-4 and Figure C-5 show the installation components used for azimuth adjustment of an antenna. Figure C-4 Installation Components for Antenna Azimuth Adjustment
1. Azimuth fine-adjustm ent screw
2. Fine-adjustment nut 3. Bracket fastening bolt
4. Nut of the U-clamp 5. U-clamp
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Appendix C Antenna Adjustment (Optional)
Figure C-5 Reinforcing Rod
1. Setting screw
2. Reinforcing rod
Steps 1. Make a coarse adjustment of the antenna azimuth. a. Remove the azimuth fine-adjustment screw and the bracket fastening bolt. b. Loosen the nut on the U-clamp and the setting screw on the reinforcing rod slightly. c.
Push the antenna or reinforcing rod gently, and adjust the antenna azimuth around the pole.
Warning! During the adjustment, make sure that the bracket does not fall from the anti-falling angle steel to avoid any accident.
2. Roughly determine the antenna azimuth visually or with a compass according to the circuit design. 3. Fasten all the components that were loosened during the adjustment. 4. Install and fasten the azimuth fine-adjustment screw and the bracket fastening bolt. – End of Steps –
C.3 Adjusting the Antenna Pitch Angle By adjusting the pitch angle of an antenna, the AOU receiving level can be adjusted. For the relationship between the AOU receiving level and the measuring voltage level, see Figure C-6.
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ZXMW NR8950 Hardware Installation Guide
Figure C-6 Relationship Curve of the AOU Receiving Level and the Measuring Volatge
•
X-axis: receiving level (dBm)
•
Y-axis: Measuring voltage (V)
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The pitch angle of an antenna can be finely adjusted in a range of ±10°. For the installation components used for pitch angle adjustment of an antenna, see Figure C-7,. Figure C-7 Installation Components for Antenna Pitch Angle Adjustment
1. Pitch angle fine-adjustment screw
2. Pitch angle fine-adjustment nut
3. Setting bolt
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Appendix C Antenna Adjustment (Optional)
Steps 1. Loosen the setting bolt slightly. 2. Rotate the pitch angle fine-adjustment nut with a proper tool. 3. Make a fine adjustment of the pitch angle. 4. Fasten the pitch angle fine-adjustment nut. – End of Steps –
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Appendix D
Installing the PIMDC The DC lightning protection module PIMDC should be equipped if the ZXMW NR8950 is powered by an external DC power supply and needs to be protected from lightning.
Steps 1. Pass two hoop irons through the mounting bracket and fix the bracket to the pole, see Figure D-1. Figure D-1 Fixing the Mounting Bracket to the Pole
1. Hoop iron
2. Mounting bracket
2. Place the PIMDC on the mounting bracket and tighten the upper and the lower screws, see Figure D-2. Figure D-2 Fixing the PIMDC to the Mounting Bracket
3. Install cables for the PIMDC, see Figure D-3.
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Figure D-3 Cable Connection
– End of Steps –
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Appendix E
Installing the PSE The PSE can be installed with the AC-DC power supply equipment and ODCPD1.
Pole-Mounted Installation For the installation steps, seeFigure E-1. Figure E-1 Pole-Mounted Installation
A. Power supply module B. Fixed feame C. APSU D. Fixed feame E. ODCPD1
Wall-Mounted Installation For the installation steps, seeFigure E-2.
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ZXMW NR8950 Hardware Installation Guide
Figure E-2 Pole-Mounted Installation
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Glossary AC - Alternating Current AOU - All Outdoor Unit DC - Direct Current GPS - Global Positioning System PSE - Power Sourcing Equipment PoE - Power over Ethernet XPD - Cross Polarization Discrimination XPIC - Cross Polarization Interference Canceller
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