Advertisement

Quick Links

RRU5303
Installation Guide
Issue
Draft B
Date
2018-05-15
HUAWEI TECHNOLOGIES CO., LTD.

Advertisement

Table of Contents
loading

Summary of Contents for Huawei RRU5303

  • Page 1 RRU5303 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 RRU5303 (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 RRU5303.
  • Page 4 Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Several items or no item can be selected. GUI Conventions Convention Description Buttons, menus, parameters, tabs, windows, and dialog titles Boldface are in boldface. For example, click OK. 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. Press and hold the primary mouse button and move the Drag 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 RRU5303 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 10 Powering On an RRU ......................120 11 Appendix ..........................122 11.1 Adding a Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side ........122 Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 9: Changes In Rru5303 Installation Guide

    Installation Guide 1 Changes in RRU5303 Installation Guide Changes in RRU5303 Installation Guide This section describes the changes in the RRU5303 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

    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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 15 (1) Bottom ports A T/R TX/RX port A (4.3-10 straight connector), supporting RET signal transmission RX port C (4.3-10 straight connector) RX port D (4.3-10 straight connector) Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16: Rru Indicators

    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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 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 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 installation 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 an IFS06 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 an IFS06 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 Installing an RRU on an IFS06  The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of RRUs. 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 RRU5303 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 Minimum Clearances for Multiple RRUs Installed in Standard or Reverse Mode on a Wall Figure 3-28 shows the minimum 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 37 Recommended Clearances for Multiple RRUs Installed in Side-Mounted Mode on a Wall Figure 3-29 shows the recommended clearances for multiple RRUs installed in side-mounted mode on a wall. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38: Installation Spacing Between Rrus

    Figure 3-30 shows the recommended horizontal spacing between 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Figure 3-32 shows the recommended vertical spacing between 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 RRU5303 Installation Guide 3 Information About the Installation Figure 3-33 Minimum vertical spacing between RRUs Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41: 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 42 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 43: 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 44: Hoisting An Rru And Related Cables Onto A Tower

    When the RRU is powered by an AC/DC power module, you need to install the AC/DC power module onto the RRU before hoisting them onto a tower. For detailed operations, see OPM15M(Ver.B) User Guide or OPM50M(Ver.B) User Guide. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Step 5 Installation engineer C binds the RRU using the lifting sling and traction sling, as shown in Figure 6-2. The binding methods in Figure 6-3 and Figure 6-4 are incorrect. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 6 Hoisting an RRU and Related Cables onto a Tower Figure 6-2 Binding the RRU (1) Handle (2) Lifting sling (3) Traction eye (4) Traction sling Figure 6-3 Incorrect binding method (1) Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 C pulls the traction sling outwards to protect the RRU from colliding with the tower. Figure 6-5 Hoisting the RRU onto the tower (1) Lifting sling (2) Fixed pulley (3) Traction sling Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48: Hoisting Optical Fibers Onto A Tower

    Cabling requirements for power cables are met. For details, see 8.1 Cabling Requirements. Procedure Step 1 Hoist the optical fibers onto the tower, as shown in Figure 6-6. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 4 m (13.12 ft) away from the lifting sling, as shown in Figure 6-7. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 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 optical fibers. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51: 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 6-9. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Figure 6-10. 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 53 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 54 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 55: Installing The Rru

    7.1 Mounting Kits for an RRU This section describes the bracket assembly and the attachment plate for an RRU. Figure 7-1 shows the front and side of an RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 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 57: 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 7-3. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 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 7-5. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Figure 7-5 Securing the RRU mounting kits Step 4 Install the RRU onto the main bracket, as shown in Figure 7-6. Figure 7-6 Installing the RRU onto the main bracket Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60: Installing Two Rrus

    Procedure Step 1 Install the first RRU onto the main bracket, as shown in Figure 7-8. For details, see 7.2.1 Installing a Single RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 (1) Main bracket (2) Pole mounting kit Step 3 Install the removed main bracket on one side of the first main bracket, as shown in Figure 7-10. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 7-11 Connecting to the main mounting bracket for installing a common RRU (1) Main mounting bracket for a blade (2) Main mounting bracket for a common Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 7-13. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 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 65: 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 7-15. For details, see 7.2.2 Installing Two RRUs. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 RRU to 5 N· m (44.25 lbf· in.), as shown in Figure 7-17. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 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 7-11. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 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 69 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 7-21. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70: 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 6.1 Hoisting an RRU onto a Tower. The hoist clamp on the main bracket is secured properly. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 If the RRU is installed on a tower, determine a position for installing the mounting kits according to the instructions in 3.5.1 Clearance for a Single RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Ensure that the arrows on the pole mounting kits are pointing up. Adjust the position of the nut and remove the square-neck bolt at the open end from the slot on the auxiliary bracket. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 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 7-26. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 7-28. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75: 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 7-29 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 76 (47.24 in.) to 1600 mm (59.06 in.) high above the ground. If the space is insufficient, only the 3.5 Installation Clearance Requirements of an RRU needs to be provided. Step 2 Install the RRU mounting kits, as shown in Figure 7-31. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Figure 7-33 Installing the attachment plate onto the rear of the RRU Step 5 Install the RRU onto the main bracket, as shown in Figure 7-34. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 7-35. Figure 7-35 Securing the captive screw into the connection hole ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80: 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 7-36. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 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 7-37. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Step 3 Drill holes at the anchor points, and then insert expansion anchor bolts, as shown in Figure 7-38. Figure 7-38 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 83 M10 torque socket to tighten the nuts to 30 N· m (265.52 lbf· in.), as shown in Figure 7-39. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 5 N· m (44.25 lbf· in.) so that the main bracket and pole installation bracket are firmly secured, as shown in Figure 7-40. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 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 7-41. Figure 7-41 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 86 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 7-43. Figure 7-43 Securing the captive screw into the connection hole ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87: Installing An Rru On An Ifs06

    Rubber washers are easily compressed or broken, whereas do not need to be replaced. Procedure Step 1 Disassemble the RRU mounting kits, as shown in Figure 7-44. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 M10 torque socket to 30 N· m (265.52 lbf· in.). Ensure that the arrows on the pole mounting kits are pointing up. Install the RRU mounting kits, as shown in Figure 7-45. Issue Draft B (2018-05-15) 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 mounting kit are firmly secured, as shown in Figure 7-46. Issue Draft B (2018-05-15) 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 7-47. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Figure 7-47 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 7-48. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 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 7-49. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 RRU5303 Installation Guide 7 Installing the RRU Figure 7-49 Installing RRUs on the higher level ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94: Installing Rru Cables

    This section describes the procedure for installing a CPRI optical fiber. 8.10 Installing an RRU power cable This section describes the procedure for installing an RRU power cable. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95: Cabling Requirements

    Reserve a proper distance (0.1 m or 3.937 in. is recommended) between equipment and cables especially at the cable curves to protect the cables and equipment. Indoor cabling requirements Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96  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 97 The following figure shows the cables secured on a cable tray. Figure 8-2 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 98 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 99 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 100 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 101 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 102: Rru Cable Connections

    (1) RRU PGND cable (2) RRU RF jumper (3) RRU AISG multi-wire cable (4) RRU AISG extension cable (5) RRU power cable (6) CPRI optical fiber Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 (5) RRU power cable (6) CPRI optical fiber (7) MEB power cable (8) MEB alarm cable Figure 8-11 shows the cable connections of a multimode RRU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104 (3) RRU AISG multi-wire cable (4) RRU AISG extension cable (5) RRU power cable (6) CPRI optical fiber Figure 8-12 shows the cable connections of multiple single-mode RRUs. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105: Installing Rru Cables

    (4) CPRI optical fiber 8.3 Installing RRU Cables This chapter describes the procedure for installing RRU cables. Figure 8-13 shows the procedure for installing RRU cables. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106: Rru Cable List

    RTN(+) ports the power equipment (pressfit type) on the RRU supply equipment CPRI Fiber DLC connector CPRI0 port on DLC connector CPRI port on a Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107: 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 M8 OT terminal at the other end to the external ground bar, as shown in Figure 8-14. Figure 8-14 Installing an RRU PGND cable Crimp OT terminals in correct positions, as shown in Figure 8-15. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109: Installing An Rru Rf Jumper

    5 N· m (44.25 lbf· in.) to 15 N· m (132.74 lbf· in.), as shown in Figure 8-16. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 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 8-17. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 111 PVC insulation tape. Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 8-18. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 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 113: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension Cable

    Connect the other end of the cable to the standard AISG male connector on the RCU. Route the cables according to the instructions in 8.1 Cabling Requirements. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 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 8-21. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 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 116: Opening The Cover Plate Of An Rru Cabling Cavity

    Step 1 Wear ESD gloves. Take proper ESD protection measures, for example, wear ESD gloves, to prevent electrostatic damage to the boards, modules, or electronic components. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 Figure 8-23 Opening the cover plate of the RRU cabling cavity (1) Locking screw Figure 8-24 shows the internal structure of the cabling cavity. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118: Installing A Cpri Optical Fiber

    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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 RRU and the other optical module into the CPRI port on the BBU, and raise the pullers, as shown in Figure 8-25. Figure 8-25 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 120 LC end labeled 2A to the CPRI port on the main control board (such as the GTMU) or baseband processing board (such as the WBBP) in the BBU. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121: Installing An Rru Power Cable

    On the RRU On the Color Side Power Device Side Devi Female Female A cable with a black jacket and power connector connector two wires inside Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 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 8-28. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123: Closing The Cover Plate Of An Rru Cabling Cavity

    ----End 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 Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 124 Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 8-30. 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 125 90 degrees clockwise shown in the following figure to lock the cover plate of the cabling cavity, as shown in Figure 8-31. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 126 Figure 8-31 Closing the cover plate of an RRU cabling cavity (1) Locking screw Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 127: 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 128: 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 129 -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 130: Appendix

    This section describes the procedure for adding a female connector (Pressfit Type) to the RRU power cable on the RRU side. Context Figure 11-1 shows the cable diagram on labels. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 131 Figure 11-2 Determining the length of the power cable Step 2 Strip the specified length of the sheath off the power cable, as shown in Figure 11-3. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 132 Figure 11-5 Matched length Step 4 Add a female connector (pressfit type) to two core wires. Loosen the screws using a Phillips screwdriver, as shown in Figure 11-6. Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 133 Colors of wires in RRU power cables vary depending on regions. In figures of this section, the blue one is an NEG(-) cable, and the black one is an RTN(+) one. Figure 11-7 Adding a female connector (pressfit type) to two core wires Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 134 Each core wire is exposed outside the female connector (pressfit type) for 1.5 mm (0.059 in.), as shown in Figure 11-9. Figure 11-9 Inserting core wires into the female connector (pressfit type) ----End 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 11-10 Pressing the spring clip of the power terminal ----End Issue Draft B (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

Table of Contents