Huawei RRU3268 Installation Manual
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Huawei RRU3268 Installation Manual

Huawei RRU3268 Installation Manual

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RRU3268
Installation Guide
Issue
10
Date
2015-12-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei RRU3268

  • Page 1 RRU3268 Installation Guide Issue Date 2015-12-30 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

    Installation Guide About This Document About This Document Purpose This document describes the process of installing a DC blade RRU3268 (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 10 (2015-12-30) 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 10 (2015-12-30) 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    RRU3268 Installation Guide Contents Contents About This Document........................ii 1 Changes in the RRU3268 Installation Guide................1 2 Installation Preparations......................5 2.1 Reference Documents..............................6 2.2 Tools and Instruments..............................6 2.3 Skills and Requirements for Onsite Personnel....................... 8 3 Information About the Installation................... 9 3.1 RRU Exterior................................
  • Page 8 10 Checking the RRU Hardware Installation................115 11 Powering On an RRU......................117 12 Appendix........................... 119 12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side.......120 Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Changes In The Rru3268 Installation Guide

    Installation Guide 1 Changes in the RRU3268 Installation Guide Changes in the RRU3268 Installation Guide This chapter describes the changes in the RRU3268 Installation Guide. 10 (2015-12-30) This is the tenth official release. Compared with issue 09 (2015-08-30), this issue includes the following change:...
  • Page 10 RRU3268 Installation Guide 1 Changes in the RRU3268 Installation Guide Topic Change Description The whole document Added security related precautions. Compared with issue 07 (2014-11-10), this issue does not include any new information and no information is deleted from this issue.
  • Page 11 RRU3268 Installation Guide 1 Changes in the RRU3268 Installation Guide Topic Change Description 3.5.1 Clearance for a Single RRU Added the clearance for a single RRU or multiple RRUs on the bitumen ground. 3.5.2 Clearances for Three or More RRUs Installing an RRU Alarm Cable Added notes under the procedure.
  • Page 12 RRU3268 Installation Guide 1 Changes in the RRU3268 Installation Guide Topic Change Description 9.10 Installing an RRU Power Cable Added the power device DCDU-12B for the RRU. Compared with issue 01 (2013-04-28), this issue does not include any new information and no information is deleted from this issue.

  • Page 13: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Reference Documents

    You must prepare the following tools and instruments before the installation. Hammer drill (a φ12 bit) ESD gloves Vacuum cleaner Heat gun Phillips screwdriver (M3 to Flat-head screwdriver (M3 to Rubber mallet COAX crimping tool Wire stripper Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 15 Marker (diameter ≤ 10 mm Measuring tape [0.39 in.]) Inner hexagon wrench Fixed pulley(weight- Lifting sling bearing capacity > 500 kg or 1102.5 lb) 5 mm Hydraulic pliers Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: 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 17: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Rru Exterior

    RRU. NOTE The actual label and nameplate may differ from what is shown in the figure. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Rru Ports

    This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel. Figure 3-4 shows the ports on the RRU panels. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 TX/RX port A, supporting RET signal bottom transmission ANT_TX/RXB TX/RX port B EXT_ALM Alarm monitoring port used for monitoring one RS485 signal and two dry contact signals Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Rru Indicators

    1s and off for 1s) caused by the faults on the related boards or ports. Therefore, you need to locate the fault before deciding whether to replace the module. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Installation Scenarios

    3.4 Installation Scenarios An RRU can be installed on a pole, U-steel, angle steel, wall, or IFS06. Installation scenarios must meet heat-dissipation and waterproofing requirements of the RRU. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 (one side instead of the rear of an RRU is mounted on the support) is recommended for RRUs on the main pole secured on a tower. This installation mode Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 (2) Installation support (pole, U-steel, angle steel, or wall) Installing an RRU on a Pole Figure 3-7 shows the diameter of a pole for installing an RRU. Figure 3-7 Diameter of a pole Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 Figure 3-8 shows a single RRU installed on a pole. Figure 3-8 A single RRU installed on a pole Figure 3-9 shows two RRUs installed on a pole. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 U-steel specifications. Figure 3-10 U-steel specifications NOTICE U-steel supports the standard or reverse installation of a single RRU only. Figure 3-11 shows an RRU installed on U-steel. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Figure 3-12 Angle steel specifications NOTICE Angle steel supports the standard or reverse installation of a single RRU only. Figure 3-13 shows an RRU installed on angle steel. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 3-14. Figure 3-14 Correct installation of mounting brackets for multiple RRUs installed on a wall in side-mounted mode Figure 3-15 shows an RRU installed on a wall. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 29 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 3-16. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Figure 3-16 Correct installation of mounting brackets for RRUs installed on an IFS06 Figure 3-17 Figure 3-18 show RRUs installed on an IFS06. Figure 3-17 Three RRUs installed on an IFS06 (1) Height-restricted scenario (2) Height-unrestricted scenario Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installation Clearance Requirements Of An Rru

    If an RRU is installed on the bitumen ground, the RRU must be at least 500 mm (700 mm or more as recommended) away from the bitumen ground. The following describes the space requirements for installing a single RRU on the non-bitumen ground. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Figure 3-19 Clearance for a single RRU in standard or reverse mode Clearance for a Single RRU in Side-Mounted Mode Figure 3-20 shows the clearance for a single RRU in side-mounted mode. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Clearance for a Single Tower-mounted RRU Figure 3-21 Figure 3-22 show the clearance for a single tower-mounted RRU in standard or reverse mode and in side-mounted mode, respectively. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Clearances For Three Or More Rrus

    Figure 3-22 Minimum clearance for a single tower-mounted RRU in side-mounted mode 3.5.2 Clearances for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Figure 3-23 Recommended clearances for three or more RRUs installed on a pole Minimum Clearances for Three or More RRUs Installed on a Pole Figure 3-24 shows the minimum clearances for multiple RRUs installed in centralized mode. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 RRUs installed on a wall in standard mode. Figure 3-25 Recommended clearances for three or more RRUs installed on a wall in standard mode Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Recommended Clearances for Three or More RRUs Installed on a Wall in Side- Mounted Mode Figure 3-27 shows the recommended clearances for three or more RRUs side-mounted on a wall. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Installation Spacing Between Rrus

    RRUs. Figure 3-28 Recommended horizontal spacing between RRUs Minimum Horizontal Spacing Between RRUs Figure 3-29 shows the minimum horizontal spacing between RRUs. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 RRUs. Figure 3-30 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3-31 shows the minimum vertical spacing between RRUs. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 RRU3268 Installation Guide 3 Information About the Installation Figure 3-31 Minimum vertical spacing between RRUs Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 41: 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 10 (2015-12-30) 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. CAUTION l 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 the RRU. Figure 5-1 shows the process of installing an RRU. Figure 5-1 Process of installing an RRU Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 44: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 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 ----End Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 46: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 47: 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. Figure 7-1 Binding mounting kits for the RRU Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 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 Figure 7-3 Incorrect binding method (1) Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 C pulls the traction sling outwards to protect the RRU from colliding with the tower. Figure 7-5 Hoisting the RRU onto the tower (1) Lifting sling (2) Fixed pulley (3) Traction sling Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Hoisting Fiber Optic Cables Onto A Tower

    Cabling requirements for power cables are met. For details, see 9.1 Cabling Requirements. Procedure Step 1 Hoist the fiber optic cables onto the tower, as shown in Figure 7-6. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 4 m (13.12 ft) away from the lifting sling, as shown in Figure 7-7. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Installation engineer C pulls the lifting sling downwards, and installation engineer D pulls the traction sling outwards to protect the fiber optic cables from colliding with the tower. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 53: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Installing The Rru

    This section describes the procedure and precautions for installing the 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Mounting Kits For An Rru

    RRU. Figure 8-2 12 L blade RRU mounting kit (1) Plastic cap (2) Standard M10 (3) Spring washer (4) Thick flat washer (5) Square-neck bolt Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Installing The Rru On A Pole

    3.5.1 Clearance for a Single RRU. If the pole must be installed on the ground, determine a position for installing the mounting brackets according to Figure 8-3. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 5 N·m (44.25 lbf·in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-7. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 61: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Step 3 Install the removed main bracket on one side of the first main bracket, as shown in Figure 8-10. NOTICE The second main bracket must be installed with the opening ends of U-shaped slots on both sides facing downwards. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 (1) Main mounting bracket for a 12 L 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 (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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Installing Three Or More Rrus

    Do not stand the RRU upright because the RF ports cannot support the weight of the RRU. l Place a foam pad or cardboard under the RRU to protect the RRU housing from damage during the installation. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Step 2 Use an M6 inner hexagon screwdriver to remove the four inner hexagon screws from the second set of mounting brackets, and remove the main bracket from the auxiliary bracket, as shown in Figure 8-16. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 The third main bracket must be installed with the opening ends of U-shaped slots on both sides facing downwards. Figure 8-17 Installing the third RRU onto the third main bracket Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 (2) Metal sheet Use an M6 Phillips screwdriver to loosen the screw on the metal sheet farther from the handle of the first RRU and remove the screw. Issue 10 (2015-12-30) 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 8-21. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Installing The Rru On U-Steel

    Place a foam pad or cardboard under the RRU to protect the RRU housing from damage during the installation. Context Figure 8-22 shows the top view of the RRU installed on U-steel. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 3.5.1 Clearance for a Single RRU to determine a position. If the RRU must be installed on U-steel secured on the ground, see Figure 8-23 determine a position. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Step 3 Use a 16 mm (0.67 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 U-steel, as shown in Figure 8-25. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 RRU, and tighten the four stainless screws to 5 N·m (44.25 lbf·in.), as shown in Figure 8-26. Figure 8-26 Installing the attachment plate onto the rear of the RRU Issue 10 (2015-12-30) 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 8-28. Figure 8-28 Securing the captive screw into the connection hole ----End Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 75: Installing The Rru On Angle Steel

    3.5.1 Clearance for a Single RRU to determine a position. If the RRU must be installed on angle steel secured on the ground, see Figure 8-30 determine a position. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Step 3 Use a 16 mm (0.67 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 angle steel, as shown in Figure 8-32. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Installing The Rru On A Wall

    Expansion anchor bolts must be tightened to 30 N·m (265.52 lbf·in.) so that the bolts stay secured without damaging the wall. Procedure Step 1 Disassemble the RRU mounting brackets, as shown in Figure 8-36. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Step 2 Place the pole installation bracket against the installation position, 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 55 mm (2.17 in.) to 60 mm (2.36 in.), use a vacuum cleaner to clear the dust out from inside and around the holes, and measure the distances between Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 (0.63 in.) torque socket to tighten the nuts to 30 N·m (265.52 lbf·in.), as shown in Figure 8-39. Figure 8-39 Installing the pole installation bracket on the expansion anchor bolts Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Step 6 Use an inner hexagon screwdriver to remove the attachment plate from one side of the 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. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Step 8 Use an inner hexagon screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Installing An Rru On An Ifs06

    RRUs. When the ambient temperature is higher than or equal to the lowest working temperature of the RRU and at least 10°C (50°F) lower than the highest working temperature of the RRU, the IFS06 supports a maximum of six RRUs. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 Step 2 Use the M10x50 bolts delivered with the IFS06 to secure the pole installation bracket to the IFS06, and then use an M10 torque socket wrench to secure the bolts to 30 N·m (265.52 lbf·in.). Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Figure 8-45 Installing the pole installation bracket in height-restricted scenarios (1) Spring washer (2) Rubber washer Height-unrestricted scenarios Install the pole installation bracket, as shown in Figure 8-46. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 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 8-47. Figure 8-47 Installing the main bracket (1) Main bracket (2) Pole installation bracket Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Figure 8-48 Installing the RRU onto the main bracket Step 5 Install the RRUs on the lower level from left to right, as shown in Figure 8-49. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 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 8-50. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 RRU3268 Installation Guide 8 Installing the RRU Figure 8-50 Installing RRUs on the higher level ----End Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Installing Rru Cables

    9.11 Installing a CPRI Fiber Optic Cable This section describes the procedure for installing a CPRI fiber optic cable. 9.12 Closing the Cover Plate of an RRU Cabling Cavity Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 RRU3268 Installation Guide 9 Installing RRU Cables This section describes the procedure for closing the cover plate of an RRU cabling cavity. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 94: 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 Route each cable into the room through the feeder window. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 A 3-hole clip is shown by illustration a in the following figure. It is often used to fasten feeders. A 6-hole clip is shown by illustration b in the following figure. It is often used to fasten power cables and CPRI fiber optic cables. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99 The fiber optic cables must not be pressed by the door of the cabinet when routed, as shown in the following figures. Figure 9-6 CPRI fiber optic cables routed in the cabinet (1) Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Cable Connections

    This section describes the cable connections for a single RRU and multiple RRUs. NOTE l A lower-level RRU obtains power directly from the external power system, but not from an upper- level RRU using a power cable. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 (4) RRU AISG extension cable (5) RRU power cable (6) CPRI fiber optic cable (7) RRU alarm cable Figure 9-10 shows the cable connections for multiple RRUs. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Installation Process

    (3) RRU power cable (4) CPRI fiber optic cable 9.3 Installation Process This section describes the process of installing RRU cables. Figure 9-11 shows the process of installing RRU cables. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Rru Cable List

    0.025 in. 0.025 in. RRU Power Tool-less female NEG(-) and Depending on External power Cable connector RTN(+) ports the power supply equipment (pressfit type) on the RRU equipment Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 104: Installing An Rru Pgnd Cable

    RRU PGND cable. Then add an OT terminal at each end of the cable according to the instructions in Assembling the OT Terminal and the Power Cable. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Installing An Rru Rf Jumper

    Step 3 Label the installed cables according to the instructions in Attaching a Cable-Tying Label. ----End 9.6 Installing an RRU RF Jumper This section describes the procedure for installing an RRU RF jumper. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Step 2 Link the other end of the RF jumper to the external antenna system. Step 3 Waterproof the connectors of the RF jumper by referring to Figure 9-15. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension 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.). Connect the other end of the cable to the standard AISG male connector on the RCU. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 111: 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 9-20. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Figure 9-22 shows the method for handling cord end terminals not in use. Figure 9-21 Removing insulated protective tubes from the cord end terminals Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 113: Opening The Cover Plate Of An Rru Cabling Cavity

    Step 2 Use an M5 Phillips screwdriver to loosen the three screws on the cover plate of the RRU cabling cavity, and open the cover plate, as shown in Figure 9-23. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Step 3 Loosen the screws on the clip using an M4 Phillips screwdriver, and open the clip, as shown Figure 9-24. NOTE Open the clip only for the associated cable. Figure 9-24 Opening clips Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 115: Installing An Rru Power Cable

    The RTN(+) wire is black and the RNEG(-) wire is blue. EPC5 l European standards: The connector U-12 RTN(+) wire is brown and the RNEG(-) wire is blue. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 116 Ensure that the exposed shield layer of the power cable is properly tightened using the clip. Step 2 Connect the connector at the other end of the RRU power cable to the corresponding position on the power device. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 117: Installing A Cpri Fiber Optic Cable

    Step 1 Lower the pullers of two optical modules, insert one optical module into the CPRI0 port on the RRU and the other optical module into the CPRI port on the BBU, and raise the pullers, as shown in Figure 9-26. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 DLC end labeled 2A and 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. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 9-28. Connect the other 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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

    1.4 N·m (12.39 lbf·in.), as shown in Figure 9-29. NOTICE Ensure that the exposed shield layer of the power cable is properly tightened using the clip. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Figure 9-31. Then tighten the screws to 2 N·m (17.7 lbf·in.) in the same sequence. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 The RRU cabling cavity must be securely tightened to prevent water. Figure 9-31 Closing the cover plate of an RRU cabling cavity Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue 10 (2015-12-30) 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 124 RRU3268 Installation Guide 10 Checking the RRU Hardware Installation Item All ground cables are properly grounded. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 125: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 126 -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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 127: 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 128: Adding A Tool-Less Female Connector (Pressfit Type) To The Rru Power Cable On The Rru Side

    Side by strictly following the following operations. Otherwise, damage to the RRU or personal injury may occur. Procedure Step 1 Determine the length of the power cable for different operations based on the labels, as shown Figure 12-2. Issue 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 129 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130 30 N•m and all copper wires are inserted in the connector terminal socket. 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 131 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 10 (2015-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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