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Huawei RRU3269 Installation Manual

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RRU3269
Installation Guide
Issue
Draft B
Date
2018-05-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei RRU3269

  • Page 1 RRU3269 Installation Guide Issue Draft B Date 2018-05-15 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 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. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the process of installing DC blade RRU3269 (referred to as RRU in this document). RRU is short for remote radio unit. Product Versions The following table lists the product version related to this document for RRU3269.
  • 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 [ x | y | ... ] * Optional items are grouped in brackets and separated by vertical bars. Several items or no item can be selected. Issue Draft B (2018-05-15) 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    Installation Guide Contents Contents About This Document ........................ii 1 Changes in RRU3269 Installation Guide .................. 1 2 Installation Preparations ......................2 2.1 Reference Documents ..............................2 2.2 Tools and Instruments ..............................2 2.3 Skills and Requirements for Onsite Personnel ......................4 3 Information About the Installation ...................
  • Page 8 11 Powering On an RRU ......................123 12 Appendix ..........................125 12.1 Adding a Female Connector to the RRU Power Cable on the RRU Side ............... 125 Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Changes In Rru3269 Installation Guide

    Installation Guide 1 Changes in RRU3269 Installation Guide Changes in RRU3269 Installation Guide This section describes the changes in the RRU3269 Installation Guide. Draft B (2018-05-15) This is a draft. Compared with Draft A (2018-04-14), this issue does not include any new information.

  • Page 10: Installation Preparations

    For details about RRU auxiliary devices, see "RRU Auxiliary Devices" in the corresponding RRU hardware description. 2.2 Tools and Instruments This section describes the tools and instruments that must be prepared before the remote radio unit (RRU) installation. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 11 (0.67 in.), 19 mm (0.75 in.), 21 mm (0.83 in.), 22 mm (0.87 in.), and 32 mm (1.26 in.) Marker (diameter ≤ 10 Multimeter Measuring tape mm [0.39 in.]) Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: 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. ...

  • Page 13: Information About The Installation

    RRUs and the requirements for the installation spacing between RRUs. 3.1 RRU Exterior This section describes the exterior and dimensions of an RRU. Figure 3-1 shows the exterior of an RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Rru Ports

    This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel. Figure 3-3 shows the ports on the RRU panels. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 15 Power supply socket, For details about RRU cabling cavity power cable appearance and specifications, NEG(-) see RRU Power Cable. CPRI0 Optical/electrical port 0, connected to the BBU or an upper-level RRU Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Rru Indicators

    1s and off for 1s) caused by faults on the related board or ports. Therefore, you need to locate the fault before deciding whether to replace the module. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 VSWR indicators on RRUs providing one or more than two TX channels have two types of status:  Steady off: No VSWR alarm is generated. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Installation Scenarios

    3.5.2 Clearance for Three or More RRUs and 3.5.3 Installation Spacing Between RRUs. 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 RRU stacked installation is allowed only when installed on one or more poles in outdoor scenarios, and a maximum of three RRUs can be stacked installation. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 RRU mounting kits. Installing an RRU on a Pole Figure 3-6 shows the diameter of a pole for installing an RRU. Figure 3-6 Diameter of a pole Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Figure 3-7 shows a single RRU installed on a pole. Figure 3-7 A single RRU installed on a pole Figure 3-8 shows two RRUs installed on a pole. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 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. Figure 3-9 Three RRUs installed on a pole Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Figure 3-10 Four RRUs installed on a pole Figure 3-11 Six RRUs installed on a pole Installing an RRU on U-Steel Figure 3-12 shows U-steel specifications. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 Figure 3-13 shows an RRU installed on U-steel. Figure 3-13 RRU installed on U-steel Installing an RRU on Angle Steel Figure 3-14 shows angle steel specifications. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 1.25 kN (281.25 lbf) vertical to the wall.  Expansion bolts must be tightened to 30 N· m (265.52 lbf· in.) to ensure that the bolts work properly and the wall remains intact. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Figure 3-16 Correct installation of RRUs installed on a wall in side-mounted mode Figure 3-17 shows an RRU installed on a wall. Figure 3-17 RRU installed on a wall Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 RRUs cannot be stacked when the RRUs are installed on an IFS06, as shown in Figure 3-18. Figure 3-18 Correct installation of RRUs installed on an IFS06 Figure 3-19 and Figure 3-20 show RRUs installed on an IFS06. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 RRU3269 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Clearance for a Single RRU in Side-Mounted Mode Figure 3-21 shows the clearance for a single RRU in side-mounted mode. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Clearance for a Single Tower-Mounted RRU Figure 3-23 and Figure 3-24 show the minimum clearances for a single RRU in side-mounted mode and standard or reverse mode on a tower. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 33: 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Figure 3-25 Recommended clearances for multiple RRUs installed in stacked mode Minimum Clearances for Multiple RRUs Installed in Stacked Mode Figure 3-26 shows the minimum clearances for multiple RRUs installed in stacked mode. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Recommended Clearances for Multiple RRUs Installed in Standard or Reverse Mode on a Wall Figure 3-27 shows the recommended clearances for multiple RRUs installed in standard or reverse mode on a wall. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Figure 3-28 shows the minimum clearances for multiple RRUs installed in standard mode on a wall. Figure 3-28 Minimum clearances for multiple RRUs installed in standard mode on a wall Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Installation Spacing Between Rrus

    This section describes the horizontal and vertical spacing between RRUs. Recommended Horizontal Spacing Between RRUs Figure 3-30 shows the recommended horizontal spacing between RRUs. Figure 3-30 Recommended horizontal spacing between RRUs Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Figure 3-31 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3-32 shows the recommended vertical spacing between RRUs. Figure 3-32 Recommended vertical spacing between RRUs Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 3 Information About the Installation Minimum Vertical Spacing Between RRUs Figure 3-33 shows the minimum vertical spacing between RRUs. Figure 3-33 Minimum vertical spacing between RRUs Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Unpacking The Equipment

    The total number does not tally with Find out the cause and report any missing the packing list articles to the local Huawei office. Step 2 Check the exterior of the packing case. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential...
  • Page 41 Sign the Packing List with the customer. with those on the packing list Either shipment shortage, wrong Report to the local Huawei office. shipment or damaged articles.  To protect the equipment and prevent damage to the equipment, you are advised to keep...

  • Page 42: 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: 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 (1) Screw (2) Metal sheet Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 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. Figure 6-3 Installing the plastic shells of the RRU Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 RRU3269 Installation Guide 6 (Optional) Installing the Plastic Shells of the RRU ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Hoisting An Rru And Related Cables Onto A Tower

    RRU before hoisting them onto a tower. For detailed operations, see AC/DC Power Module User Guide or OPM15M User Guide, OPM15M(Ver.B) User Guide, OPM30M User Guide, OPM50M User Guide, or OPM50M(Ver.B) User Guide. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Step 5 Installation engineer C binds the RRU using the lifting sling and traction sling, as shown in Figure 7-2. The binding methods in Figure 7-3 and Figure 7-4 are incorrect. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 7 Hoisting an RRU and Related Cables onto a Tower Figure 7-2 Binding the RRU (1) Handle (2) Lifting sling (3) Traction eye (4) Traction sling Figure 7-3 Incorrect binding method (1) Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Step 6 Hoist the RRU onto the tower, as shown in Figure 7-5. Installation engineer B pulls the lifting sling downwards, and installation engineer C pulls the traction sling outwards to protect the RRU from colliding with the tower. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 9 Untie the lifting sling and traction sling. The procedure for hoisting the RRU and its mounting kits onto the tower is for your reference only. ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Hoisting Optical Fibers Onto A Tower

    After climbing up to the tower, installation engineer A secures the fixed pulley to the tower platform support and leads the lifting sling through the fixed pulley. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 (2) Stretch sling (3) Traction sling Do not remove the stretch sling and protection pipe or bind optical fibers using one sling, as shown in Figure 7-8. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Hoisting Power Cables Onto A Tower

    The procedure for adding a connector to the RRU power cable on the RRU side is done under the tower. Procedure Step 1 Hoist the power cables onto the tower, as shown in Figure 7-9. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Figure 7-10. The connector on the power cable in the figure is only an example. The actual connector may vary according to the situation. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Step 3 Remove the cable ties, PVC insulation tape, and lifting sling. The procedure for hoisting the power cables onto the tower is for your reference only. ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Installing The Rru

    8.1 Mounting Kits for an RRU This section describes the bracket assembly and the attachment plate for an RRU. Figure 8-1 shows the front and side of an RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 M10 nut washer washer bolt (6) Hoist clamp (7) Main (8) Inner (9) Pole (10) Auxiliary on the main bracket hexagon installation bracket bracket screw bracket Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 59: 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 kits according to Figure 8-3. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 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 kits are secured onto the pole, as shown in Figure 8-5. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Figure 8-5 Securing the RRU mounting kits (1) Plastic cap Step 4 Install the RRU onto the main bracket, as shown in Figure 8-6. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Installing Two Rrus

    Figure 8-7 Securing the captive screw into the connection hole ----End 8.2.2 Installing Two RRUs This section describes the procedure and precautions for installing two RRUs on a pole. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Step 2 Use an M6 inner hexagon screwdriver to loosen the four hex socket screws from the main bracket and pole mounting kit on the second set of mounting kits, and remove the main bracket, as shown in Figure 8-9. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 The second main bracket must be installed, with the open ends of U-shaped slots on both sides facing downwards. Figure 8-10 Installing the second main bracket (1) Removed main bracket Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 (1) Main mounting bracket for a blade (2) Main mounting bracket for a common Step 4 Install the second RRU onto the main bracket, as shown in Figure 8-12. Issue Draft B (2018-05-15) 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. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Use an M6 Phillips screwdriver to loosen the screw on the sheet metal tab farther from the handle of the second RRU and remove the screw. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Installing Three Or More Rrus

    RRUs can be stacked only when installed on one or more poles, and a maximum of three RRUs can be stacked. Procedure Step 1 Install two RRUs, as shown in Figure 8-15. For details, see 8.2.2 Installing Two RRUs. Issue Draft B (2018-05-15) 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. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 The main mounting bracket for installing a blade RRU can connect to the main mounting bracket for installing a common RRU in the scenarios of adding RRUs, as shown in Figure 8-11. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 RRU. Then, rotate the sheet metal tab to align the vacant hole in the sheet metal tab with a hole on the top of the third RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-21. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Installing An Rru On U-Steel

    Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation. Context Figure 8-22 shows the top view of an RRU installed on U-steel. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 3.5.1 Clearance for a Single RRU.  If the RRU is installed on the ground, determine a position for installing the mounting kits according to the instructions in Figure 8-23. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 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 kits onto the U-steel horizontally and insert the square-neck bolt into the slot. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 78: 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 If the RRU is installed on angle steel secured on the ground, determine a position for installing the mounting brackets according to Figure 8-30. Figure 8-30 Distance between the mounting kits and the ground Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 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 8-33. Figure 8-33 Installing the attachment plate onto the rear of the RRU Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 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 Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Installing An Rru On A Wall

    Expansion bolts must be tightened to 30 N· m (265.52 lbf· in.) to ensure that the bolts work properly and the wall remains intact. Procedure Step 1 Disassemble the RRU mounting kits, as shown in Figure 8-36. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Step 2 Place the pole installation bracket against the wall, use a level to verify that the pole installation bracket is placed horizontally, and then mark anchor points with a marker, as shown in Figure 8-37. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Step 3 Drill holes at the anchor points, and then insert expansion anchor bolts, as shown in Figure 8-38. Figure 8-38 Drilling holes and inserting expansion anchor bolts (1) M10× 80 bolt (2) Nut (3) Spring (4) Flat washer (5) Expansion washer sleeve Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 M10 torque socket to tighten the nuts to 30 N· m (265.52 lbf· in.), as shown in Figure 8-39. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 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. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 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 8-41. Figure 8-41 Installing the attachment plate onto the rear of the RRU Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-43. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Installing An Rru On An Ifs06

    RRU. In this scenario, the IFS06 supports at least three RRUs. The IFS06 supports a maximum of six RRUs when the ambient temperature Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Step 2 Install the RRU main bracket using the M10x50 bolts delivered with the IFS06. Then tighten the bolts using an M10 torque socket to 30 N· m (265.52 lbf· in.). Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 M6x16 screws to 5 N· m (44.25 lbf· in.) so that the main bracket and pole mounting kit are firmly secured, as shown in Figure 8-46. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Figure 8-47 Installing and securing the RRU on the main bracket Step 5 Install the RRUs on the lower level from left to right, as shown in Figure 8-48. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 RRU and at least 10° C (50° 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 RRU3269 Installation Guide 8 Installing the RRU Figure 8-49 Installing RRUs on the higher level ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Installing Rru Cables

    This section describes the procedure for opening the cover plate of an RRU cabling cavity. 9.10 Installing a CPRI Optical Fiber This section describes the procedure for installing a CPRI optical fiber. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Cabling Requirements

     When routing cables, keep the cables away from heat sources and use heat insulation materials to insulate the cables from the heat sources. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99  A 6-hole clip is shown by illustration b in the following figure. It is often used to fasten power cables and CPRIIr fiber optic cables. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 The following figure shows the cables secured on a cable tray. Figure 9-2 Cables secured on a cable tray (1) 3-hole clip (2) 6-hole clip The following figure shows the cables secured on a tower. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Cables can only be laid out under well-planned instructions. The cabling activities of fiber optic cables are allowed only when qualified personnel and communication facilities are available.  Do not circle and twist cables. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 At least three people are required for laying out fiber optic cables. The cabling activities of fiber optic cables are allowed only when qualified personnel and communication facilities are available. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Unused optical connectors must be covered with dustproof caps.  The fiber optic cables must not be pressed by the door of the cabinet when routed, as shown in the following figures. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104 After routing a fiber optic cable close to the equipment on a tower, use clips to secure the fiber optic cable onto a pole or the rails surrounding the platform. Ensure that there is no Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Rru Cable Connections

    (4) RRU AISG extension cable (5) RRU power cable (6) CPRI optical fiber (7) RRU alarm cable Figure 9-10 shows the cable connections for multiple RRUs. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Installing Rru Cables

    (4) CPRI optical fiber 9.3 Installing RRU Cables This chapter describes the procedure for installing RRU cables. Figure 9-11 shows the procedure for installing RRU cables. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Rru Cable List

    0.025 in. the RRU 0.025 in. RRU Power Female NEG(-) and Depending on External power Cable connector RTN(+) ports the power equipment supply Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Installing An Rru Pgnd Cable

    RCU the AISG multi-wire cable 9.5 Installing an RRU PGND Cable This section describes the procedure for installing an RRU PGND cable. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 M8 OT terminal at the other end to the external ground bar, as shown in Figure 9-12. Figure 9-12 Installing an RRU PGND cable Crimp OT terminals in correct positions, as shown in Figure 9-13. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Installing An Rru Rf Jumper

    5 N· m (44.25 lbf· in.) to 15 N· m (132.74 lbf· in.), as shown in Figure 9-14. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Before installation, check whether the connector at the other end is a 4.3-10 straight male connector or DIN male connector. Step 3 Waterproof the connectors of the RF jumper by referring to Figure 9-15. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 PVC insulation tape. Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 9-16. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Step 6 Label the installed cables according to the instructions in Attaching a Sign Plate Label. Step 7 Attach color-coding to the installed RF jumper according to the instructions in Attaching the Color Ring. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension Cable

    Figure 9-17 Installing an RRU AISG multi-wire cable Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof DB9 connector to 0.4 N· m (3.54 lbf· in.). Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 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 9-19. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 116 Ensure that the adhesive surface of the tape overlaps the lower layer.  When cutting off the cable ties, reserve a redundant length of 3 mm (0.12 in.) to 5 mm (0.2 in.). Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 117: 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 9-21. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 This prevents false alarm reporting and equipment damage due to contact of exposed cables. Figure 9-23 shows the method for handling cord end terminals not in use. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 119: Opening The Cover Plate Of An Rru Cabling Cavity

    9.9 Opening the Cover Plate of an RRU Cabling Cavity This section describes the procedure for opening the cover plate of an RRU cabling cavity. Procedure Step 1 Wear ESD gloves. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Step 3 Loosen the screws on the clip using an M4 Phillips screwdriver, and open the clip, as shown in Figure 9-25. Open the clip only for the associated cable. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 121: Installing A Cpri Optical Fiber

    Color of the puller on an optical module: Blue indicates a single-mode optical module, and black or gray indicates a multimode optical module. The optical modules to be installed must match CPRI rates. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 RRU and the other optical module into the CPRI port on the BBU, and raise the pullers, as shown in Figure 9-26. Figure 9-26 Installing an optical module Step 2 Install CPRI optical fibers. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123 2B to the CPRI port on the main control board (such as the GTMU) or baseband processing board (such as the WBBP) in the BBU. Figure 9-27 Installing CPRI optical fibers for dual-fiber bidirectional optical modules Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 124: Installing An Rru Power Cable

    If a power device provided by the customer is used, the recommended specification of the circuit breaker on this power device is 15 A to 30 A. Table 9-2 describes RRU power cables. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 125 Step 1 Connect the female connector (pressfit type) at one end of the RRU power cable to the power supply socket on the RRU, as shown in Figure 9-29. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 126: Closing The Cover Plate Of An Rru Cabling Cavity

    1.4 N· m (12.39 lbf· in.), as shown in Figure 9-30. Ensure that the exposed shield layer of the power cable is properly tightened using the clip. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 9-31. Ensure that cables and waterproof blocks are properly inserted into troughs. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 128 The RRU cabling cavity must be securely tightened to prevent water. Figure 9-32 Closing the cover plate of an RRU cabling cavity Step 4 Take off the ESD gloves, and pack up all the tools. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 129 RRU3269 Installation Guide 9 Installing RRU Cables ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 130: Checking The Rru Hardware Installation

    Labels are correct, legible, and complete at both ends of each cable, feeder, and jumper. All ground cables are properly grounded. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 131: Powering On An Rru

    For details about how to power on an RRU and how to power off an RRU, see section "Powering-On the RRU" and section "Powering-Off the RRU" in RRU Maintenance Guide. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 132 -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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 133: Appendix

    This section describes the procedure for adding a female connector to the RRU power cable on the RRU side. Context Figure 12-1 shows the cable diagram on labels. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 134 Figure 12-2 Determining the length of the power cable Step 2 Strip the specified length of the sheath off the power cable, as shown in Figure 12-3. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 135 Step 1 Press the spring clip of the power terminal using a screwdriver and remove the power cable. Figure 12-5 Pressing the spring clip of the power terminal ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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