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Huawei RRU3201 Installation Manual

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RRU3201
Installation Guide
Issue
06
Date
2012-04-16
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei RRU3201

  • Page 1 RRU3201 Installation Guide Issue Date 2012-04-16 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope.

  • Page 3: About This Document

    Installation Guide About This Document About This Document Purpose This document describes the process of installing a DC RRU3201 (referred to as RRU in this document). Product Versions The following table lists the product versions related to this document. Product Name...
  • Page 4 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. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 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. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 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. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    RRU3201 Installation Guide Contents Contents About This Document........................ii 1 Changes in the RRU3201 Installation Guide................1 2 Installation Preparations......................4 2.1 Reference Documents............................5 2.2 Tools and Instruments............................5 2.3 Skills and Requirements for Onsite Personnel....................6 3 Information About the Installation...................7 3.1 RRU Exterior..............................8 3.2 RRU Ports................................9...
  • Page 8 8.11 Closing the Cover Plate of an RRU Cabling Cavity..................82 9 Checking the RRU Hardware Installation................84 10 Powering On an RRU.......................85 11 Appendix.............................86 11.1 Adding OT Terminals to the RRU Power Cable on the RRU Side..............87 Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Changes In The Rru3201 Installation Guide

    Installation Guide 1 Changes in the RRU3201 Installation Guide Changes in the RRU3201 Installation Guide This chapter describes the changes in the RRU3201 Installation Guide. 06 (2012-04-16) This is the sixth official release. Compared with issue 05 (2012-01-10), this issue does not include any new information.
  • Page 10 RRU3201 Installation Guide 1 Changes in the RRU3201 Installation Guide 04 (2011-09-15) This is the fourth official release. Compared with issue 03 (2011-07-08), this issue does not include any new information. Compared with issue 03 (2011-07-08), this issue includes the following changes:...
  • Page 11 RRU3201 Installation Guide 1 Changes in the RRU3201 Installation Guide 01 (2011-01-20) This is the first official release. Compared with draft A (2010-12-15), this issue does not include any new information. Compared with draft A (2010-12-15), this issue includes the following changes:...

  • Page 12: Installation Preparations

    2.3 Skills and Requirements for Onsite Personnel Onsite personnel must be qualified and trained. Before performing any operation, onsite personnel must be familiar with correct operation methods and safety precautions. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Reference Documents

    Phillips screwdriver (M3 to Flat-head screwdriver (M3 to Rubber mallet COAX crimping tool Wire stripper Utility knife Cable cutter Adjustable wrench (capacity ≥ 32 mm [1.26 in.]) Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Skills And Requirements For Onsite Personnel

    Before the installation, pay attention to the following items: The customer's technical engineers must be trained by Huawei and be familiar with the proper installation and operation methods. The number of onsite personnel depends on the engineering schedule and installation environment.

  • Page 15: Information About The Installation

    3.5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Rru Exterior

    The RRU on the left has a housing, and the RRU on the right does not have a housing. Figure 3-1 RRU exterior Figure 3-2 shows RRU dimensions. Figure 3-2 RRU dimensions Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Rru Ports

    Figure 3-3 shows RRU ports on the panels. Figure 3-3 RRU ports on the panels Table 3-1 describes RRU ports and indicators on the panels. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Rru Indicators

    3.2 RRU Ports. Table 3-2 describes RRU indicators. Table 3-2 RRU indicators Label Color Status Description Green Steady on There is power supply, but the module is faulty. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Steady off The SFP module is not properly installed, or the optical module is powered off. CPRI_E Red and Steady green The CPRI link is available. green Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Installation Options

    (1) RRU (2) Pole, U-steel, angle steel, or wall Installing an RRU on a Pole Figure 3-5 shows the diameter of a pole for installing an RRU. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 76 mm (2.99 in.) mm to 114 mm (4.49 in.). Figure 3-6 shows an RRU installed on a pole. Figure 3-6 RRU installed on a pole Installing an RRU on U-steel Figure 3-7 shows U-steel specifications. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 It is recommended that only one RRU be installed on U-steel. Figure 3-8 shows an RRU installed on U-steel. Figure 3-8 RRU installed on U-steel Installing an RRU on Angle Steel Figure 3-9 shows angle steel specifications. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 RRU. Expansion bolts must be tightened to 30 N·m (265.52 lbf·in.) to ensure the bolts work properly and the wall remains intact without cracks in it. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Installation Clearance Requirements Of An Rru

    3.5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Installation Clearance For A Single Rru

    Figure 3-13 Recommended installation clearance for a single RRU Minimum Installation Clearance for a Single RRU Figure 3-14 shows the minimum installation clearance for a single RRU. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Installation Clearance For Multiple Rrus

    Figure 3-15 Minimum installation clearance for a single RRU installed on a tower 3.5.2 Installation Clearance for Multiple RRUs This section describes the recommended and minimum installation clearance for multiple RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Minimum Installation Clearance for Multiple RRUs Installed in Centralized Mode Figure 3-17 shows the minimum installation clearance for multiple RRUs installed in centralized mode. Figure 3-17 Minimum installation clearance for multiple RRUs installed in centralized mode Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Minimum Clearance for Multiple RRUs Installed on a Wall in Standard Mode Figure 3-19 shows the minimum clearance for multiple RRUs installed on a wall in standard mode. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Installation Spacing Between Rrus

    Figure 3-20 Recommended clearance for multiple RRUs side-mounted on a wall 3.5.3 Installation Spacing Between RRUs This section describes the horizontal and vertical installation spacing between RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 RRUs. Figure 3-22 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3-23 shows the recommended vertical spacing between RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Installation Guide 3 Information About the Installation Figure 3-23 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3-24 shows the minimum vertical spacing between RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 RRU3201 Installation Guide 3 Information About the Installation Figure 3-24 Minimum vertical spacing between RRUs Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Unpacking The Equipment

    The total number does not tally with the Find out the cause and report any missing packing list articles to the local Huawei office. Step 2 Check the exterior of the packing case. Issue 06 (2012-04-16) Huawei Proprietary and Confidential...
  • Page 34 Sign the Packing List with the customer. those on the packing list Either shipment shortage, wrong shipment Report to the local Huawei office. or damaged articles. WARNING To protect the equipment and prevent damage to the equipment, you are advised to keep the...

  • Page 35: Installation Process

    The installation process involves installing an RRU and RRU cables, checking the RRU hardware installation, and powering on the RRU. Figure 5-1 shows the process of installing an RRU. Figure 5-1 Process of installing an RRU Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Hoisting An Rru And Related Cables Onto A Tower

    6.3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be taken. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Hoisting An Rru Onto A Tower

    Step 2 Bind the RRU by leading the lifting sling along the bottom of the attachment plate and through the RRU handle. Then, bind mounting kits to the lifting sling and bind the RRU handle to the traction sling, as shown in Figure 6-2. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Hoist the RRU onto the tower before it is installed on a pole, angle steel, or U-steel. CAUTION Do not hoist the RRU by the handle only, as shown in Figure 6-3. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 3 Hoist the RRU and mounting kits onto the tower, as shown in Figure 6-4. Figure 6-4 Hoisting the RRU and mounting kits onto the tower (1) Lifting sling (2) Fixed pulley (3) Traction sling Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Hoisting Fiber Optic Cables Onto A Tower

    4 m (13.12 ft.) away from the lifting sling, as shown in Figure 6-5. Figure 6-5 Binding fiber optic cables (1) Lifting sling (2) Stretch sling (3) Traction sling Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Do not remove the stretch sling and protection pipe or bind fiber optic cables using one sling, as shown in Figure 6-6. Figure 6-6 Incorrect binding method Step 2 Hoist the fiber optic cables onto the tower, as shown in Figure 6-7. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Step 4 Remove the lifting sling, traction sling, and protection pipe. NOTE The procedure for hoisting the fiber optic cables onto the tower is for your reference only. ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Hoisting Power Cables Onto A Tower

    Figure 6-8. Figure 6-8 Binding power cables (1) Lifting sling (2) Traction sling Step 2 Hoist the power cables onto the tower, as shown in Figure 6-9. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Step 3 Secure the power cables to the tower vertically using cable clips. Step 4 Remove the lifting sling and traction sling. NOTE The procedure for hoisting the power cables onto the tower is for your reference only. ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Installing The Rru

    7.5 Installing the RRU on a Wall This section describes the procedure for installing the RRU on a wall and the precautions that must be taken during the installation. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Mounting Kits For An Rru

    (2) Dual-nut bolt assembly (3) Main mounting bracket (4) Hoist clamp on the bracket main mounting bracket 7.2 Installing the RRU on a Pole One or more RRUs can be installed on a pole. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 RRUs installed on a pole. Figure 7-4 Two RRUs installed on a pole Figure 7-5, Figure 7-6, and Figure 7-7 show more than two RRUs installed on a pole. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Installation Guide 7 Installing the RRU Figure 7-5 Three RRUs installed on a pole in centralized mode Figure 7-6 Four RRUs installed on a pole in centralized mode Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Installing A Single Rru

    If the RRU must be installed on the ground, see Figure 7-8 to determine a position. Figure 7-8 Distance between the main mounting bracket and the ground Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Tighten the two dual-nut bolt assemblies alternatively. After the main and auxiliary brackets are secured properly, measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Installing Two Rrus

    ----End 7.2.2 Installing Two RRUs This section describes the procedure for installing two RRUs on a pole and the precautions that must be taken during the installation. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 3 Interchange the cover plate in the front and the attachment plate and stainless steel screws at the rear of the second RRU, as shown in Figure 7-14. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Figure 7-15 Installing the second RRU on the main mounting bracket (1) RRU installed in standard mode (2) RRU installed in reverse mode (3) Cabling cavity Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Installing Multiple Rrus

    5 N·m (44.25 lbf·in.) using a torque screwdriver. Step 3 Install the first RRU on the main mounting bracket, as shown in Figure 7-17. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Figure 7-18. Figure 7-18 Installing the second main mounting bracket Step 5 Install the second RRU on the second main mounting bracket, as shown in Figure 7-19. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Figure 7-20. Figure 7-20 Installing the third RRU on the third main mounting bracket Step 7 Install the fourth main mounting bracket, as shown in Figure 7-21. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Installing The Rru On U-Steel

    The RRU installed on U-steel can be mounted to a tower or placed on the ground. It is recommended that only one RRU be installed on U-steel. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 If the RRU must be installed on a tower, see 3.5.1 Installation Clearance for a Single to determine a position. If the RRU must be installed on the ground, see Figure 7-24 to determine a position. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Step 4 Using a torque wrench, tighten the nuts to 40 N·m (354.03 lbf·in.) to secure the bracket assembly onto the U-steel, as shown in Figure 7-26. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Step 5 Install the RRU on the main mounting bracket until the RRU snaps shut, as shown in Figure 7-27. Figure 7-27 Installing the RRU on the main mounting bracket ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Installing The Rru On Angle Steel

    If the RRU must be installed on a tower, see 3.5.1 Installation Clearance for a Single to determine a position. If the RRU must be installed on the ground, see Figure 7-29 to determine a position. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Step 4 Using a torque wrench, tighten the nuts to 40 N·m (354.03 lbf·in.) to secure both the bracket assembly onto the angle steel, as shown in Figure 7-31. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Step 5 Install the RRU on the main mounting bracket until the RRU snaps shut, as shown in Figure 7-32. Figure 7-32 Installing the RRU on the main mounting bracket ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Installing The Rru On A Wall

    (1) Auxiliary mounting bracket (2) RRU NOTE It is recommended that the auxiliary mounting bracket be 1,200 mm (47.24 in.) to 1,600 mm (62.99 in.) above the ground. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Ensure that the depth of each hole ranges from 55 mm (2.17 in.) to 60 mm (2.36 in.). WARNING Take proper safety measures to protect your eyes and respiratory tract against the dust before drilling holes. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Verify that the arrow on the auxiliary mounting bracket is pointing up. Step 4 Loosen the screws on the main mounting bracket and store them properly. Step 5 Install the main mounting bracket, as shown in Figure 7-37. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Figure 7-37 Installing the main mounting bracket Step 6 Install the RRU on the main mounting bracket until the RRU snaps shut, as shown in Figure 7-38. Figure 7-38 Installing the RRU Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 RRU3201 Installation Guide 7 Installing the RRU ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Installing Rru Cables

    This section describes the procedure for installing a CPRI fiber optic cable. 8.11 Closing the Cover Plate of an RRU Cabling Cavity This section describes the procedure for closing the cover plate of an RRU cabling cavity. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Cabling Requirements

    Sufficient slack (recommended for about 0.1 m [0.33 ft.]) is provided in cables at turns or the position close to a device, facilitating cable and device maintenance. Indoor Cabling Requirements Cables are routed indoors through the feeder window. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Cable clips must be vertical with cables, and the cables in a cable clip must be parallel. After routing cables neatly and correctly, tighten the screws on cable clips. Secure cables on the cable tray, as shown in Figure 8-1. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 RRU3201 Installation Guide 8 Installing RRU Cables Figure 8-1 Securing cables on the cable tray Secure cables on the tower, as shown in Figure 8-2. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 If the length of power cables is insufficient, replace the cables rather than adding connectors or soldering joints to lengthen the cables. Cables must be routed by only qualified and trained personnel before all preparations are made. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 If fiber optic cables need to be routed close to a device on the tower, secure the cables to the guardrail or pole with cable clips. The device cannot be far away from the position for securing the cables. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 75: Cable Connections

    (3) RRU AISG multi-wire cable (4) RRU AISG extension cable (5) CPRI fiber optic cable (6) RRU power cable Figure 8-4 shows the cable connections for multiple RRUs. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Installation Process

    (5) CPRI fiber optic cable (6) RRU power cable 8.3 Installation Process This section describes the process of installing RRU cables. Figure 8-5 shows the process of installing RRU cables. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Rru Cable List

    One of RRU0 to Cable RTN(+) ports connector RRU5 ports on (M4, 3.3 mm on the RRU (pressfit type) the EPU or EPS [0.005 in. complying with Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 78: Installing An Rru Pgnd Cable

    M6 and M8 terminals respectively. Procedure Step 1 Prepare an RRU PGND cable. Cut the cable to the required length based on the actual cable route. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Installing An Rru Rf Jumper

    Step 3 Label the installed cable by referring to Attaching a Cable-Tying Label. ----End 8.6 Installing an RRU RF Jumper This section describes the procedure for installing an RRU RF jumper. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Step 2 Link the other end of the RF jumper to the external antenna system. Step 3 Waterproof the connectors of the RF jumper by referring to Figure 8-9. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 8-10. CAUTION Do not remove dustproof caps from vacant antenna connectors. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension Cable

    AISG multi-wire cable is not long enough to connect the RRU and the RCU. In this case, an AISG extension cable is used to extend the AISG multi-wire cable. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 RET port on the RRU bottom, and link the other end to the standard AISG male connector of the AISG extension cable, as shown in Figure 8-12. Figure 8-12 Installing an RRU AISG multi-wire cable Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 84: Opening The Cover Plate Of An Rru Cabling Cavity

    Step 2 Loosen the six screws on the cover plate of the RRU cabling cavity using an M4 Phillips screwdriver, and then open the cover plate, as shown in Figure 8-14. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 (7) Clip Step 3 Loosen the screws on the clip, and open the clip, as shown Figure 8-16. NOTE Open the clip only for the associated cable. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Installing An Rru Power Cable

    Connect the OT terminals of the blue and black/brown core wires at one end of the RRU power cable to the NEG(-) and RTN(+) wiring terminals on the RRU cabling cavity respectively, as shown in Figure 8-17. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Figure 8-17. Link the tool-less female connector (pressfit type) at one end of the RRU power cable to the RRU0 port on the EPS or EPU subrack. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Installing A Cpri Fiber Optic Cable

    Step 1 Lower the pullers of two optical modules, insert one optical module into the CPRI_W port on the RRU and the other optical module into the CPRI port on the BBU, and then raise the pullers, as shown in Figure 8-18. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Tighten the screws on the cable clip to 1.4 N·m (12.39 lbf·in.). Step 3 Connect the end labeled 2A and 2B of the fiber optic cable to the optical module on the BBU side. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Closing The Cover Plate Of An Rru Cabling Cavity

    Ensure that the exposed shield layer of the power cable is properly tightened using the clip. Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 8-21. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Tighten the screws on the cover plate in the sequence shown in the figure. Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Checking The Rru Hardware Installation

    The connectors of each signal cable are intact and securely linked, and these cables are not damaged or broken. Labels are correct, legible, and complete at both ends of each cable, feeder, and jumper. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Powering On An Rru

    After you unpack an RRU, you must power on it within 24 hours. If you power off the RRU for maintenance, you must restore power to the RRU within 24 hours. Figure 10-1 shows the RRU power-on check process. Figure 10-1 RRU power-on check process Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Appendix

    11.1 Adding OT Terminals to the RRU Power Cable on the RRU Side This section describes the procedure for adding OT terminals to the RRU power cable on the RRU side. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Adding Ot Terminals To The Rru Power Cable On The Rru Side

    Figure 11-2 Determining the length of the power cable Step 2 Strip the specified length of the sheath and shield layer off the power cable, as shown in Figure 11-3. Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Step 5 Strip about 15 mm (0.59 in.) of the sheath off the power cable to expose the intact shield layer, as shown in Figure 11-6. Figure 11-6 Stripping the specified length of sheath ----End Issue 06 (2012-04-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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