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Huawei RRU3262 Installation Manual
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Huawei RRU3262 Installation Manual

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RRU3262
Installation Guide
Issue
01
Date
2014-11-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei RRU3262

  • Page 1 RRU3262 Installation Guide Issue Date 2014-11-20 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 blade RRU3262 (referred to as RRU in this document). Product Versions The following table lists the product versions related to this document.
  • Page 4 Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Optional items are grouped in braces and separated by { x | y | ... } vertical bars. A minimum of one item or a maximum of all items can be selected. Issue 01 (2014-11-20) 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    RRU3262 Installation Guide Contents Contents About This Document........................ii 1 Changes in RRU3262 Installation Guide..................1 2 Installation Preparations......................3 2.1 Reference Documents..............................4 2.2 Tools and Instruments..............................4 2.3 Skills and Requirements for Onsite Personnel.......................6 3 Information About the Installation...................7 3.1 RRU Exterior..................................8 3.2 RRU Ports..................................8 3.3 RRU Indicators................................10...
  • Page 8 10 Checking the RRU Hardware Installation................115 11 Powering On an RRU......................116 12 Appendix...........................118 12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side......119 Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Changes In Rru3262 Installation Guide

    Installation Guide 1 Changes in RRU3262 Installation Guide Changes in RRU3262 Installation Guide This section describes the changes in the RRU3262 Installation Guide. 01 (2014-11-20) This is the first official release. Compared with draft C (2014-11-10), this issue does not include any new information.
  • Page 10 RRU3262 Installation Guide 1 Changes in RRU3262 Installation Guide Topic Change Description 3.4 Installation Scenarios Optimized the description of restrictions. 8 Installing the RRU Optimized the description of the distance between the mounting kit and the ground. Compared with Draft A (2014-09-30), this issue does not include any new information and no information is deleted from this issue.

  • Page 11: 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Reference Documents

    You must prepare the following tools and instruments before the installation. Hammer drill (a bit) ESD gloves Vacuum cleaner Heat gun Phillips screwdriver (M3 to Flat-head screwdriver (M3 to Rubber mallet COAX crimping tool Wire stripper Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13 5 mm (M3 to M6) (M3 to M6) Multimeter Measuring tape Marker (diameter ≤ 10 mm [0.39 in.]) Inner hexagon wrench Fixed pulley Lifting sling Hydraulic pliers Issue 01 (2014-11-20) 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Rru Exterior

    Figure 3-2 RRU dimensions 3.2 RRU Ports This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 NEG(-) CPRI0 Optical/electrical port 0, connected to the CPRI1 Optical/electrical port 1, connected to the (2) Bottom ports ANT_TX/RXA TX/RX port A, supporting RET signal transmission Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Rru Indicators

    The power input is available, but the board is faulty. Steady off No power input is available or the board is faulty. Blinking (on for The board is running properly. 1s and off for 1s) Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 The CPRI link is running properly. green Steady red An optical module fails to receive or transmit signals possibly because the optical module is faulty or the optical fiber is broken. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Installation Scenarios

    RRU mounting kits in assembled installation mode are not allowed in indoor scenarios. NOTICE If the RRU is inappropriately installed, heat dissipation of the RRU deteriorates and the RRU may not work properly, as shown in Figure 3-4. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 RRUs on the auxiliary pole. Figure 3-5 Requirements for the vertical deviation angle of an RRU (1) RRU (2) Installation support (pole, U-steel, angle steel, or wall) Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 RRUs. l The recommended thickness of the pole wall is 3.5 mm (0.14 in.) or above. Figure 3-7 shows a single RRU installed on a pole. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 RRUs installed on a pole. Figure 3-8 Two RRUs installed on a pole Figure 3-9, Figure 3-10, and Figure 3-11 show multiple RRUs installed on a pole. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 RRU3262 Installation Guide 3 Information About the Installation Figure 3-9 Three RRUs installed on a pole Figure 3-10 Four RRUs installed on a pole Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 U-steel specifications. Figure 3-12 U-steel specifications NOTICE U-steel only supports the standard or reverse installation of a single RRU. Figure 3-13 shows an RRU installed on U-steel. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Figure 3-14 Angle steel specifications NOTICE Angle steel only supports the standard or reverse installation of a single RRU. Figure 3-15 shows an RRU installed on angle steel. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 When RRUs are installed on a wall in side-mounted mode, do not combine mounting brackets for multiple RRUs, as shown in Figure 3-16. Figure 3-16 Correct installation of mounting brackets for multiple RRUs installed on a wall in side-mounted mode Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 RRUs" in 3900 Series Base Station Technical Description. NOTICE The mounting brackets for multiple RRUs cannot be combined when the RRUs are installed on an IFS06, as shown in Figure 3-18. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 29 3 Information About the Installation Figure 3-18 Correct installation of mounting brackets for RRUs installed on an IFS06 Figure 3-19 Figure 3-20 show RRUs installed on an IFS06. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 RRU3262 Installation Guide 3 Information About the Installation Figure 3-19 Three RRUs installed on an IFS06 (1) Height-restricted scenario (2) Height-unrestricted scenario Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installation Clearance Requirements Of An Rru

    RRUs and the requirements for the installation spacing between RRUs. 3.5.1 Clearance for a Single RRU This section describes the recommended and minimum clearances for a single RRU. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Clearance for a Single RRU in Side-Mounted Mode Figure 3-21 shows the clearance for a single RRU in side-mounted mode. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Figure 3-21 Clearance for a single RRU in side-mounted mode Clearance for a Single RRU in Standard or Reverse Mode Figure 3-22 shows the clearance for a single RRU in standard or reverse mode. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Clearance for a Single Tower-Mounted RRU Figure 3-23 Figure 3-24 show the minimum clearances for a single RRU in side-mounted mode and standard or reverse mode on a tower. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Clearance For Three Or More Rrus

    Figure 3-24 Minimum clearance for a single RRU in standard or reverse mode on a tower 3.5.2 Clearance for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Figure 3-25 Recommended clearances for three or more RRUs installed in centralized mode Minimum Clearances for Three or More RRUs Installed in Centralized Mode Figure 3-26 shows the minimum clearances for three or more RRUs installed in centralized mode. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 RRUs installed in standard mode on a wall. Figure 3-27 Recommended clearances for three or more RRUs installed in standard mode on a wall Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Recommended Clearances for Three or More RRUs Installed in Side-Mounted Mode on a Wall Figure 3-29 shows the recommended clearances for three or more RRUs installed in side- mounted mode on a wall. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Installation Spacing Between Rrus

    RRUs. Figure 3-30 Recommended horizontal spacing between RRUs Minimum Horizontal Spacing Between RRUs Figure 3-31 shows the minimum horizontal spacing between RRUs. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 RRUs. Figure 3-32 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3-33 shows the minimum vertical spacing between RRUs. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 RRU3262 Installation Guide 3 Information About the Installation Figure 3-33 Minimum vertical spacing between RRUs Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 42: 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 01 (2014-11-20) Huawei Proprietary and Confidential...
  • Page 43 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. CAUTION l To protect the equipment and prevent damage to the equipment, you are advised to keep the...

  • Page 44: Installation Process

    The installation process involves installing an RRU and RRU cables, checking the RRU hardware installation, and powering on an RRU. Figure 5-1 shows the installation process. Figure 5-1 Process of installing an RRU Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Optional) Installing The Plastic Shells Of The Rru

    Step 1 Use an M6 Phillips screwdriver to loosen the two screws on the metal sheet of the RRU and remove the metal sheet, as shown in Figure 6-1. Figure 6-1 Removing the metal sheet Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Step 3 Use four hex screws to secure the plastic shells onto the RRU and use an M6 hex key wrench to tighten the screws to 2.8 N·m (24.78 lbf·in.), as shown in Figure 6-3. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 RRU3262 Installation Guide 6 (Optional) Installing the Plastic Shells of the RRU Figure 6-3 Installing the plastic shells of the RRU ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Hoisting An Rru And Related Cables Onto A Tower

    7.3 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Hoisting An Rru Onto A Tower

    7-1. Then technician B pulls the lifting sling downwards, and technician C pulls the traction sling outwards to protect the mounting kits from colliding with the tower. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 7-2. The binding methods in Figure 7-3 Figure 7-4 are incorrect. Figure 7-2 Binding the RRU (1) Handle (2) Lifting sling (3) Traction eye (4) Traction sling Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Step 6 Hoist the RRU onto the tower, as shown in Figure 7-5. Technician B pulls the lifting sling downwards, and technician C pulls the traction sling outwards to protect the RRU from colliding with the tower. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 9 Untie the lifting sling and traction sling. NOTE The procedure for hoisting the RRU and its mounting kits onto the tower is for your reference only. ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Hoisting Fiber Optic Cables Onto A Tower

    Installation engineer B places the fiber coiler for coiling fiber optic cables on the fiber spools, and installation engineer D lead the lifting sling through the stretch sling of the fiber Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Installation engineer B rotates the fiber spools at the speed of 5 m (16.4 ft) to 15 m (49.21 ft) per minute to coil the fiber optic cables. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Hoisting Power Cables Onto A Tower

    Step 1 Hoist the power cables onto the tower, as shown in Figure 7-9. Figure 7-9 Hoisting power cables onto the tower (1) Lifting sling (2) Fixed pulley Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Wrap the PVC insulation tape from 30 mm (1.18 in.) away from one end of the connector until it reaches the other end of the connector. The total length of the wrapped connector is 100 mm (3.94 in.). Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 3 Remove the cable ties, PVC insulation tape, and lifting sling. NOTE The procedure for hoisting the power cables onto the tower is for your reference only. ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Installing The Rru

    This section describes the procedure and precautions for installing an RRU on a wall. 8.6 Installing an RRU on an IFS06 This section describes the procedure and precautions for installing an RRU on an IFS06. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Mounting Kits For An Rru

    RRU. Figure 8-2 12 L blade RRU mounting kit (1) Plastic cap (2) Standard M10 nut (3) Spring washer (4) Thick flat washer (5) Square-neck bolt Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Installing The Rru On A Pole

    3.5.1 Clearance for a Single RRU. If the RRU is installed on the ground, determine a position for installing the mounting brackets according to Figure 8-3. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Step 3 Use a 16 mm (0.63 in.) M10 torque wrench to tighten the nuts to 40 N·m (354.03 lbf·in.) so that the mounting brackets are secured onto the pole, as shown in Figure 8-5. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 8-5 Securing the RRU mounting brackets Step 4 Install the RRU onto the main bracket, as shown in Figure 8-6. Figure 8-6 Installing the RRU onto the main bracket Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Installing Two Rrus

    Procedure Step 1 Install the first RRU onto the main bracket, as shown in Figure 8-8. For details, see 8.2.1 Installing a Single RRU. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 (1) Main bracket (2) Pole installation bracket Step 3 Install the removed main bracket on one side of the first main bracket, as shown in Figure 8-10. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 (1) Main mounting bracket for a blade RRU (2) Main mounting bracket for a common RRU Step 4 Install the second RRU onto the main bracket, as shown in Figure 8-12. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 5 N·m (44.25 lbf·in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-13 Figure 8-13 Securing the captive screw into the connection hole Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Installing Three Or More Rrus

    This section describes the procedure and precautions for installing three or more RRUs on a pole. Prerequisites The hoist clamp on the main bracket is secured properly. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Step 2 Use an M6 inner hexagon screwdriver to loosen the four hex socket screws from the main bracket and pole installation brackets on the second set of mounting brackets, and remove the main bracket, as shown in Figure 8-16. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 RRU to 5 N·m (44.25 lbf·in.), as shown in Figure 8-17. NOTICE The third main bracket must be installed, with the open ends of U-shaped slots on both sides facing downwards. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 (1) Main mounting bracket for a blade RRU (2) Main mounting bracket for a common RRU Step 4 Install the sheet metal tab for fixing the neighboring RRUs, as shown in Figure 8-19. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Step 5 Install the second set of RRU mounting brackets at least 80 mm (3.15 in.) above or below the first set of RRU mounting brackets, as shown in Figure 8-20. Figure 8-20 Installing the second set of RRU mounting brackets Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Installing An Rru On U-Steel

    Before you install an RRU on U-steel secured on a tower, the RRU and its mounting brackets are hoisted onto the tower. For details, see 7.1 Hoisting an RRU onto a Tower. The hoist clamp on the main bracket is secured properly. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 3.5.1 Clearance for a Single RRU. If the RRU is installed on the ground, determine a position for installing the mounting brackets according to the instructions in Figure 8-23. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Adjust the position of the nut and remove the square-neck bolt at the open end from the slot on the auxiliary bracket. Slide the mounting brackets onto the U-steel horizontally and insert the square-neck bolt into the slot. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 RRU, reinstall the attachment plate onto the rear of the RRU, and tighten the four stainless screws to 5 N·m (44.25 lbf·in.), as shown in Figure 8-26. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 5 N·m (44.25 lbf·in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-28. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Installing An Rru On Angle Steel

    Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation. Context Figure 8-29 shows the top view of an RRU installed on angle steel. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 1200 mm (47.24 in.) to 1600 mm (59.06 in.) high above the ground. If the space is insufficient, only 3.5 Installation Clearance Requirements of an RRU needs to be provided. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Tighten the nuts on the two square-neck bolts synchronously. 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 8-33. Figure 8-33 Installing the attachment plate onto the rear of the RRU Step 5 Install the RRU onto the main bracket, as shown in Figure 8-34. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 5 N·m (44.25 lbf·in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-35. Figure 8-35 Securing the captive screw into the connection hole ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Installing An Rru On A Wall

    Figure 8-36 Disassembling the RRU mounting brackets (1) Main bracket (2) Square-neck bolt (3) Pole installation bracket (4) Auxiliary bracket (5) Flat washer (6) Spring washer (7) Nut (8) Plastic screw cap Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 3.5 Installation Clearance Requirements of an RRU needs to be provided. Step 3 Drill holes at the anchor points, and then insert expansion anchor bolts, as shown in Figure 8-38. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 16 mm (0.63 in.) torque socket to tighten the nuts to 30 N·m (265.52 lbf·in.), as shown in Figure 8-39. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 5 N·m (44.25 lbf·in.) so that the main bracket and pole installation bracket are firmly secured, as shown in Figure 8-40. Figure 8-40 Installing the main bracket Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 Figure 8-41 Installing the attachment plate onto the rear of the RRU Step 7 Install the RRU onto the main bracket, as shown in Figure 8-42. Figure 8-42 Installing the RRU onto the main bracket Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 87: Installing An Rru On An Ifs06

    RRUs can be installed on an IFS06 when the ambient temperature is higher than or equal to the lowest operating temperature of the RRUs and at least 5°C (41°F) lower than the Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Use an M10 torque wrench to loosen the nuts on the two square-neck bolts, and remove the plastic screw cap, nuts, spring washers, flat washers, square-neck bolts, and pole installation bracket from the auxiliary bracket. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 M6x16 screws to 5 N·m (44.25 lbf·in.) so that the main bracket and pole installation bracket are firmly secured, as shown in Figure 8-46. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 5 N·m (44.25 lbf·in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-47. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Figure 8-47 Installing the RRU onto the main bracket Step 5 Install the RRUs on the lower level from left to right, as shown in Figure 8-48. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 RRU and at least 10°C (10°F) lower than the highest operating temperature of the RRU, repeat the preceding steps to install the RRUs on the higher level, as shown in Figure 8-49. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 RRU3262 Installation Guide 8 Installing the RRU Figure 8-49 Installing RRUs on the higher level ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Installing Rru Cables

    9.11 Installing an RRU Power Cable This section describes the procedure for installing an RRU power cable. 9.12 Closing the Cover Plate of an RRU Cabling Cavity Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 RRU3262 Installation Guide 9 Installing RRU Cables This section describes the procedure for closing the cover plate of an RRU cabling cavity. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 96: 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 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 9-1. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 RRU3262 Installation Guide 9 Installing RRU Cables Figure 9-1 Securing cables on the cable tray Secure cables on the tower, as shown in Figure 9-2. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99 If DC power cables need to be routed on the tower platform, lay out the cables on the guardrail with the shortest distance and route the cables along the guardrail. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 Fiber optic cables are used within the temperature range of -40°C to 60°C. If the current temperature is out of the range, make protection measures or route the cables again. Cables are routed in an untangled and orderly fashion. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Fiber optic cables cannot be squeezed by the cabinet door when routed through the cabinet, as shown in Figure 9-5, Figure 9-6 Figure 9-7. Figure 9-5 CPRI fiber optic cables routed through the cabinet (1) Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Rru Cable Connections

    9.2 RRU Cable Connections This section describes RRU cable connections. NOTE The RRU does not support power cable cascading. Figure 9-8 shows the cable connections of a single RRU. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 (3) RRU AISG multi-wire cable (4) RRU AISG extension cable (5) RRU power cable (6) CPRI optical fiber (7) RRU alarm cable Figure 9-9 shows the cable connections of multiple RRUs. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 104: Installing Rru Cables

    (3) RRU power cable (4) CPRI optical fiber 9.3 Installing RRU Cables This chapter describes the procedure for installing RRU cables. Figure 9-10 shows the procedure for installing RRU cables. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Rru Cables

    RRU PGND OT terminal (M6, Ground OT terminal Ground terminal Cable terminal on the on the ground bar 16 mm or 0.025 (M8, 16 mm 0.025 in. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Installing An Rru Pgnd Cable

    The cross-sectional area of an RRU PGND cable is 16 mm (0.025 in. ). The cable has an M6 OT terminal at one end and an M8 terminal at the other end. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107 Crimp OT terminals in correct positions, as shown in Figure 9-12. Figure 9-12 Correct position of an OT terminal Step 3 Label the installed cable according to the instructions in Attaching a Cable-Tying Label. ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Installing An Rru Rf Jumper

    Step 2 Connect 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 9-14. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 PVC insulation tape. Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 9-15. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 9.1 Cabling Requirements, and then use cable ties to bind the cables. Step 6 Label the installed cables according to the instructions in Attaching a Sign Plate Label. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 111: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension Cable

    Link the waterproofed DB9 connector at one end the AISG multi-wire cable to the RET port on the RRU bottom, as shown in Figure 9-16. Figure 9-16 Installing an RRU AISG multi-wire cable Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 DB9 connector to 0.4 N·m (3.54 lbf·in.). Connect the other end of the AISG extension cable to the standard AISG male connector on the RCU, as shown in Figure 9-18. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 113: Installing An Rru Alarm Cable

    Step 2 Connect the waterproof DB15 connector at one end of the RRU alarm cable to the EXT_ALM port on the RRU, as shown in Figure 9-19. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Figure 9-20 shows the method for handling cord end terminals not in use. Figure 9-20 Method for handling cord end terminals that are not in use Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 115: Opening The Cover Plate Of An Rru Cabling Cavity

    Figure 9-21 Opening the cover plate of the RRU cabling cavity (1) Cover plate (2) Cabling cavity (3) Clip (4) Cable trough for the power cable (5) Waterproof block (6) Cable trough for the fiber optical cable Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 116: Installing A Cpri Optical Cable

    MM indicates a multimode optical module. Color of the puller on an optical module: Blue indicates a single-mode optical module, and black or gray indicates a multimode optical module. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 20 minutes. Step 2 Connect the end labeled 1A and 1B of the optical cable to the optical module on the RRU side, as shown in Figure 9-24. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 118: Installing An Rru Power Cable

    A tool-less female connector (pressfit type) is added to the RRU power cable on the RRU side. For details, see 12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 Step 1 Connect the tool-less female connector (pressfit type) at one end of the RRU power cable to the power supply socket on the RRU, as shown in Figure 9-25. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 120: Closing The Cover Plate Of An Rru Cabling Cavity

    Step 4 Label the installed cables according to the instructions in Attaching a Cable-Tying Label. ----End 9.12 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 9-27. NOTICE Ensure that cables and waterproof blocks are properly inserted into troughs. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 2 N·m (17.7 lbf·in.) in the same sequence. Figure 9-28 Closing the cover plate of an RRU cabling cavity Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 123: 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 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 124: Powering On An Rru

    For details about how to power on an RRU, see Powering On an RRU. For details about how to power off an RRU, see section "Powering-Off the RRU" in RRU Maintenance Guide. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 125 -36 V DC to -57 V DC. (b) The RUN indicator on the RRU is on for 1s and off for 1s. The ALM indicator is steady off. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 126: Appendix

    12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side This section describes the procedure for adding a tool-less female connector (pressfit type) to the RRU power cable on the RRU side. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 127: Adding A Tool-Less Female Connector (Pressfit Type) To The Rru Power Cable On The Rru Side

    Step 1 Determine the length of the power cable for different operations based on the labels, as shown Figure 12-2. Figure 12-2 Determining the length of the power cable Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 128 Figure 12-5 Matched length Step 4 Add a tool-less female connector (pressfit type) to two core wires. Tighten the screws using a Phillips screwdriver, as shown in Figure 12-6. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Figure 12-7 Adding a tool-less female connector (pressfit type) to two core wires Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer, as shown in Figure 12-8. Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Each core wire is exposed outside the tool-less female connector (pressfit type) for 1.5 mm (0.059 [in.]), as shown in Figure 12-9. Figure 12-9 Inserting core wires into the tool-less female connector (pressfit type) ----End Issue 01 (2014-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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