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Huawei RRU3942 Installation Manual
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Huawei RRU3942 Installation Manual

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RRU3942&RRU3642
Installation Guide
Issue
07
Date
2013-12-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei RRU3942

  • Page 1 RRU3942&RRU3642 Installation Guide Issue Date 2013-12-30 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope.

  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the process of installing DC RRU3942 and RRU3642 (referred to as RRU in this document). Product Version The following table lists the product version related to this document for RRU3942.
  • Page 4 RRU3942&RRU3642 Installation Guide About This Document This chapter describes the changes in the RRU3942&RRU3642 Installation Guide. 2 Installation Preparations This chapter describes the reference documents, tools, and instruments that must be ready before the installation. In addition, it specifies the skills and prerequisites that installation engineers must have.
  • Page 5 The command conventions that may be found in this document are defined as follows. Convention Description Boldface The keywords of a command line are in boldface. Italic Command arguments are in italics. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn. Mouse Operations The mouse operations that may be found in this document are defined as follows. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 7 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Table Of Contents

    RRU3942&RRU3642 Installation Guide Contents Contents About This Document........................ii 1 Changes in the RRU3942&RRU3642 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................................10 3.2 RRU Ports..................................10...
  • Page 9 9 Checking the RRU Hardware Installation................114 10 Powering On an RRU......................115 11 Appendix...........................117 11.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RRU Power Cable on the RRU Side......118 Issue 07 (2013-12-30) Huawei Proprietary and Confidential viii Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Changes In The Rru3942&Rru3642 Installation Guide

    1 Changes in the RRU3942&RRU3642 Installation Guide Changes in the RRU3942&RRU3642 Installation Guide This chapter describes the changes in the RRU3942&RRU3642 Installation Guide. 07 (2013-12-30) This is the seventh official release. Compared with issue 06 (2013-12-23), this issue includes the following change:...
  • Page 11 RRU3942&RRU3642 Installation Guide 1 Changes in the RRU3942&RRU3642 Installation Guide 05 (2013-06-26) This is the fifth official release. Compared with issue 04 (2013-04-28), this issue includes the following change: Topic Change Description 8.10 Installing an RRU Power Cable Added the power device DCDU-12B for the RRU.
  • Page 12 RRU3942&RRU3642 Installation Guide 1 Changes in the RRU3942&RRU3642 Installation Guide Compared with issue 02 (2012-09-15), this issue does not include any new information. Compared with issue 02 (2012-09-15), this issue includes the following change: Topic Change Description 8.10 Installing an RRU Power Cable Added the attention for installing the RRU power cable.
  • Page 13 RRU3942&RRU3642 Installation Guide 1 Changes in the RRU3942&RRU3642 Installation Guide Draft A (2012-01-10) This is a draft. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16 5 mm (M3 to M6) (M3 to M6) Multimeter Measuring tape Marker (diameter ≤ 10 mm [0.39 in.]) Inner hexagon wrench Fixed pulley Lifting sling Hydraulic pliers Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: 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 18: 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Rru Exterior

    Figure 3-2 RRU dimensions 3.2 RRU Ports This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Description (1) Ports at the bottom ANT_TX/RXA TX/RX port A, supporting RET signal transmission ANT_RXC RX port C ANT_RXD Port RX port D ANT_TX/RXB TX/RX port B Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 NOTE l The port for transmitting RET signals is determined by the software. l For the RRU3942, both CPRI0 and CPRI1 can be conected to the BBU. Use the CPRI0 by default in the single-mode scenario. l For the RRU3642, CPRI0 is connected to the BBU and the CPRI1 is reserved. The RX_IN/OUT is not used.
  • Page 22 RRU3942&RRU3642 Installation Guide 3 Information About the Installation Table 3-2 Usage of RF ports for RRU3942 Product Version TX/RX Number Usage Remarks Channe of Used RF Ports l DBS3900 1 x 2T2R 2 ANT_TX/RXA and A single ANT_TX/RXB are used...
  • Page 23 RF ports on an RRU3942 used for DBS3900 V100R004C00, DBS3900 GSM V100R013C00, DBS3900 GSM V300R013C00, or DBS3900 WCDMA V200R013C00. Figure 3-4 Recommended usage of RF ports on an RRU3942 used for DBS3900 V100R004C00, DBS3900 GSM V100R013C00, DBS3900 GSM V300R013C00, or DBS3900 WCDMA V200R013C00...
  • Page 24 RRU3942&RRU3642 Installation Guide 3 Information About the Installation Figure 3-5 Recommended usage of RF ports on an RRU3942 used for DBS3900 GSM V100R014C00 and later versions or DBS3900 GSM V300R014C00 and later versions Figure 3-6 shows the recommended usage of RF ports on an RRU3942 used for DBS3900 V100R007C00 and later versions, DBS3900 WCDMA V200R014C00 and later versions, or DBS3900 LTE V100R005C00 and later versions.
  • Page 25 RRU3942&RRU3642 Installation Guide 3 Information About the Installation Figure 3-6 Recommended usage of RF ports on an RRU3942 used for DBS3900 V100R007C00 and later versions, DBS3900 WCDMA V200R014C00 and later versions, or DBS3900 LTE V100R005C00 and later versions Table 3-3 describes how to use RF ports for RRU3642.
  • Page 26 ANT_RXC combined and ANT_TX/RXB and ANT_RXD combined. Figure 3-7 shows the recommended usage of RF ports on an RRU3642 used for DBS3900 LTE V100R006C00 and later versions. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Rru Indicators

    3.2 RRU Ports. Table 3-4 describes RRU indicators. Table 3-4 RRU indicators Indicator Color Status Meaning Green Steady on There is power supply, but the module is faulty. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 CPRI ports. Steady off The optical module cannot be detected, or the optical module is powered off. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Installation Scenarios

    RRU only. Figure 3-8 Requirements for the vertical deviation angle of an RRU (1) RRU (2) Installation support (pole, U-steel, angle steel, or wall) Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 A single RRU can be installed in either side-mounted or standard mode.Figure 3-10 shows a single RRU installed on a pole. Figure 3-10 A single RRU installed on a pole Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Figure 3-11 Two RRUs installed on a pole Figure 3-12, Figure 3-13, and Figure 3-14 show three or more RRUs installed on a pole. Figure 3-12 Three RRUs installed on a pole Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 3 Information About the Installation Figure 3-13 Four RRUs installed on a pole Figure 3-14 Six RRUs installed on a pole Installing an RRU on U-steel Figure 3-15 shows U-steel specifications. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 It is recommended that only one RRU be installed on one U-steel. Figure 3-16 shows an RRU installed on U-steel. Figure 3-16 RRU installed on U-steel Installing an RRU on Angle Steel Figure 3-17 shows angle steel specifications. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 1.25 kN (281.25 lbf) vertical to the wall. Expansion bolts must be tightened to 15 N·m (132.76 lbf·in.) so that the bolts stay secured without damaging the wall. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35 RRU. The IFS06 supports a maximum of six RRUs when the ambient temperature is higher than or equal to the lowest operating temperature Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 IFS06, as shown in Figure 3-19. Figure 3-21 Figure 3-22 show RRUs installed on an IFS06. Figure 3-21 Three RRUs installed on an IFS06 (1) Height-restricted scenario (2) Height-unrestricted scenario Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 37: 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 clearance for a single RRU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 RRU. Figure 3-23 Recommended clearance for a single RRU Minimum Clearance for a Single RRU Figure 3-24 shows the minimum clearance for a single RRU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Clearances For Three Or More Rrus

    Figure 3-25 Minimum clearance for a single RRU on a tower 3.5.2 Clearances for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Figure 3-26 Recommended clearances for three or more RRUs installed on a pole Minimum Clearances for Three or More RRUs Installed on a Pole Figure 3-27 shows the minimum clearances for multiple RRUs installed in centralized mode. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 RRUs installed on a wall in standard mode. Figure 3-28 Recommended clearances for three or more RRUs installed on a wall in standard mode Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42 RRUs side-mounted on a wall. Figure 3-30 Recommended clearances for three or more RRUs installed on a wall in side- mounted mode Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Installation Spacing Between Rrus

    RRUs. Figure 3-32 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3-33 shows the recommended vertical spacing between RRUs. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Installation Guide 3 Information About the Installation Figure 3-33 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3-34 shows the minimum vertical spacing between RRUs. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 RRU3942&RRU3642 Installation Guide 3 Information About the Installation Figure 3-34 Minimum vertical spacing between RRUs Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 46: 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 07 (2013-12-30) Huawei Proprietary and Confidential...
  • Page 47 Sign the Packing List with the customer. those on the packing list Either shipment shortage, wrong shipment Report to the local Huawei office. or damaged articles. CAUTION l To protect the equipment and prevent damage to the equipment, you are advised to keep the...

  • Page 48: 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Hoisting An Rru And Related Cables Onto A Tower

    6.3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be taken. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Hoisting An Rru Onto A Tower

    Figure 6-1 Binding mounting kits for the RRU (1) Lifting sling (2) Traction sling Step 3 Technician A catches the mounting kits and then unties the slings. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 6-2. The binding methods in Figure 6-3 Figure 6-4 are incorrect. Figure 6-2 Binding the RRU (1) Lifting sling (2) Lifting eye (3) Traction sling (4) Handle Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 6 Hoist the RRU onto the tower, as shown in Figure 6-5. Technician B pulls the lifting sling downwards, and technician C pulls the traction sling outwards to protect the RRU from colliding with the tower. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 9 Untie the lifting sling and traction sling. NOTE The procedure for hoisting the RRU and its mounting kits onto the tower is for your reference only. ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Hoisting Fiber Optic Cables Onto A Tower

    Installation engineer B places the fiber coiler for coiling fiber optic cables on the fiber spools, and installation engineer D lead the lifting sling through the stretch sling of the fiber Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Installation engineer B rotates the fiber spools at the speed of 5 m (16.4 ft) to 15 m (49.21 ft) per minute to coil the fiber optic cables. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Hoisting Power Cables Onto A Tower

    Step 1 Hoist the power cables onto the tower, as shown in Figure 6-9. Figure 6-9 Hoisting power cables onto the tower (1) Lifting sling (2) Fixed pulley Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Installing The Rru

    7.6 Installing an RRU on an IFS06 This section describes the procedure and precautions for installing an RRU on an IFS06. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Mounting Kits For An Rru

    (7) Hoist clamp on the main bracket (8) Main bracket 7.2 Installing the RRU on a Pole One or more RRUs can be installed on a pole. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Installing A Single Rru

    Step 2 Loosen the two M10 nuts on the mounting brackets and move the M10x150 bolt out of the trough on the auxiliary bracket, as shown in Figure 7-4. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Tighten the nuts on the two bolts alternatively. After the main and auxiliary brackets are secured properly, measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Use an inner hexagon screwdriver to remove the attachment plate from the rear of the RRU. Remove the cover plate from one side of the RRU, and use a Phillips screwdriver to remove the plastic screws from the RRU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Installing Two 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 (e) Install the attachment plate to the side of the RRU, and use a torque screwdriver to tighten the stainless steel screws on the attachment plate to 5 N·m (44.25 lbf·in.). Install the first RRU onto the main bracket, as shown in Figure 7-10. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Install the second main bracket on one side of the first main bracket, as shown in Figure 7-11. Figure 7-11 Installing the second main bracket Install the second RRU on the second main bracket, as shown in Figure 7-12. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 RRU between the two sets of brackets, as shown in Figure 7-14. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Figure 7-15 Interchanging the cover plate on the front of the second RRU with the attachment plate at the rear of the second RRU (a) Use an inner hexagon screwdriver to remove the attachment plate from the rear of the RRU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Installing Three Or More Rrus

    The section describes the procedure and precautions for installing three or more RRUs on a pole. Before installing three or more RRUs together on a pole, move the attachment plates from the front of the RRUs to the side of the RRUs. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Step 2 Interchange the attachment plate and stainless steel screws at the rear of the RRU with the cover plate and plastic screws on one side of the RRU, as shown in Figure 7-9. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Step 3 Install the third main bracket, and install the third RRU on the third main bracket, as shown in Figure 7-19. NOTICE When installing the third main bracket, ensure that the arrows on the main bracket are pointing down. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 7-20. Figure 7-20 Installing the second set of RRU mounting brackets Step 5 Install the fourth RRU onto the fourth main bracket, as shown in Figure 7-21. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Installing The Rru On U-Steel

    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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 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 7-23 to determine a position. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Step 3 Slide the main and auxiliary brackets onto the U-steel and fit a bolt into the trough, as shown in Figure 7-25. Figure 7-25 Sliding the main and auxiliary brackets onto the U-steel Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Figure 7-26 Securing the main and auxiliary brackets onto the U-steel (1) Plastic cap Step 5 Install the RRU onto the main bracket, as shown in Figure 7-27. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Installing The Rru On Angle Steel

    Place a foam pad or cardboard under the RRU to protect the RRU housing from damage during the installation. Context Figure 7-28 shows the top view of the RRU installed on angle steel. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 2 Loosen the two M10 nuts on the mounting brackets and move the M10x150 bolt out of the trough on the auxiliary bracket, as shown in Figure 7-30. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Tighten the nuts on the two bolts alternatively. After the main and auxiliary brackets are secured properly, measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 (1) Plastic cap Step 5 Install the RRU onto the main bracket, as shown in Figure 7-33. Figure 7-33 Installing the RRU onto the main bracket ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Installing The Rru On A Wall

    Step 2 Place the main bracket against the wall, use a level to verify that the main bracket is placed horizontally, and use a maker to mark anchor points, as shown in Figure 7-34. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Figure 7-36. Figure 7-35 Expansion bolt assembly (1) M8x85 bolt (2) Spring washer 8 (3) Plastic tube (4) Flat washer 8 (5) Expansion tube Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Then use an M8 torque socket to tighten the expansion bolts with a torque of 15 N·m (132.76 lbf·in.), as shown in Figure 7-37. NOTICE Ensure that the arrows on the main bracket are pointing down. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 (3) Flat washer Step 5 Install the RRU onto the main bracket, as shown in Figure 7-38. Figure 7-38 Installing the RRU onto the main bracket ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Installing An Rru On An Ifs06

    Step 2 Use the M10x50 bolts delivered with the IFS06 to secure the main 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 7-39. Figure 7-39 Installing the main bracket in height-restricted scenarios (1) Spring washer (2) Rubber washer Height-unrestricted scenarios Install the main bracket, as shown in Figure 7-40. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 (a) Use an inner hexagon screwdriver to remove the attachment plate from the rear of the RRU. (b) Remove the cover plate from one side of the RRU, and use a Phillips screwdriver to remove the plastic screws from the RRU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Figure 7-42 Installing the RRU onto the main bracket Step 5 Repeat the steps above to install RRUs on the lower level from left to right, as shown in Figure 7-43. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 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 7-44. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 RRU3942&RRU3642 Installation Guide 7 Installing the RRU Figure 7-44 Installing RRUs on the higher level ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Installing Rru Cables

    This section describes the procedure for installing an RRU power cable. 8.11 Installing a CPRI Fiber Optic Cable This section describes the procedure for installing a CPRI fiber optic cable. 8.12 Installing an RRU Alarm Cable Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 This section describes the procedure for installing an RRU alarm cable. 8.13 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Cabling Requirements

    Sufficient slack (recommended for about 0.1 m [0.33 ft]) is provided in cables at turns or the position close to a device, facilitating cable and device maintenance. Indoor Cabling Requirements Cables are routed indoors through the feeder window. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Cable clips must be vertical with cables, and the cables in a cable clip must be parallel. After routing cables neatly and correctly, tighten the screws on cable clips. Secure cables on the cable tray, as shown in Figure 8-1. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 RRU3942&RRU3642 Installation Guide 8 Installing RRU Cables Figure 8-1 Securing cables on the cable tray Secure cables on the tower, as shown in Figure 8-2. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 If DC power cables need to be routed on the tower platform, lay out the cables on the guardrail with the shortest distance and route the cables along the guardrail. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Fiber optic cables are used within the temperature range of -40°C to 60°C. If the current temperature is out of the range, make protection measures or route the cables again. Cables are routed in an untangled and orderly fashion. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Fiber optic cables cannot be squeezed by the cabinet door when routed through the cabinet, as shown in Figure 8-5, Figure 8-6 Figure 8-7. Figure 8-5 CPRI fiber optic cables routed through the cabinet (1) Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Cable Connections

    The RRU3642 does not support the inter-RRU cable connection shown in Figure 8-12. Figure 8-8 shows the cable connections for a single RRU in the single-mode scenario. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 (5) RRU power cable (6) CPRI fiber optic cable (7) RRU alarm cable Figure 8-9 shows the cable connections for a single RRU in the multimode scenario. Issue 07 (2013-12-30) 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 8-10 shows the cable connections for multiple RRUs in the single-mode scenario. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 CPRI fiber optic cable connections for multiple RRUs in the multimode scenario. Figure 8-11 CPRI fiber optic cable connections for multiple RRUs in the multimode scenario Figure 8-12 shows inter-RRU cable connections. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Installation Process

    When an RRU3942 is interconnected with an RRU3804 or RRU3801E, the ANT_RXC port on the RRU3942 and the ANT_RXB port on the RRU3804 or RRU3801E do not need to be connected to an antenna. 8.3 Installation Process This section describes the process of installing RRU cables.

  • Page 104: Rru Cable List

    Installation Guide 8 Installing RRU Cables Figure 8-13 Process of installing RRU cables 8.4 RRU Cable List This section describes RRU cable connections. Table 8-1 lists RRU cables. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105 DB9 waterproof RET port on Standard AISG Standard AISG Multi-Wire male connector the RRU female connector male connector Cable on the RCU or on the AISG extension cable Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Installing An Rru Pgnd Cable

    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 Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Installing An Rru Rf Jumper

    Step 1 Connect the DIN male connector at one end of the RRU RF jumper to the ANT port on the RRU, and use a torque wrench to tighten the connector to 25 N·m (221.27 lbf·in.), as shown in Figure 8-16. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Step 2 Link the other end of the RF jumper to the external antenna system. Step 3 Waterproof the connectors of the RF jumper by referring to Figure 8-17. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 PVC insulation tape. Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 8-18. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 8.1 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 111: Installing An Inter-Rru Rf Cable

    8.1 Cabling Requirements, and then use cable ties to bind the cables. Step 5 Label the installed cables according to the instructions in Attaching an L-Shaped Label. ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 112: Installing An Rru Aisg Multi-Wire Cable And Aisg Extension Cable

    Label the installed cables according to the instructions in Attaching an L-Shaped Label. Install an AISG multi-wire cable that is configured with an AISG extension cable. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Connect the other end of the AISG extension cable to the standard AISG male connector on the RCU, as shown in Figure 8-22. Figure 8-22 Installing an RRU AISG extension cable Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Opening The Cover Plate Of An Rru Cabling Cavity

    Figure 8-23. Figure 8-23 Opening the cover plate of the RRU cabling cavity (1) Protection screw Figure 8-24 shows the RRU cabling cavity. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Step 3 Loosen the screws on the clip using an M4 Phillips screwdriver, and open the clip, as shown Figure 8-25. NOTE Open the clip only for the associated cable. Figure 8-25 Opening clips Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 116: Installing An Rru Power Cable

    RTN(+) wire is black and the RNEG(-) wire is blue. EPC5 l European standards: The RTN connector U-12 (+) wire is brown and the RNEG (-) wire is blue. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 When the RRU power cable is connected to the EPU, the blue core wire in the tool-less female connector (pressfit type) is connected to the upper port on the EPU, and the black/brown core wire is connected to the lower port on the EPU. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 118: Installing A Cpri Fiber Optic Cable

    RRU and the other optical module into the CPRI port on the BBU, and raise the pullers, as shown Figure 8-27. Figure 8-27 Installing an optical module Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 8.1 Cabling Requirements, and then use cable ties to bind the cables. Step 5 Label the installed cables according to the instructions in Attaching an L-Shaped Label. ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 120: Installing An Rru Alarm Cable

    Step 4 Label the installed cables according to the instructions in Attaching an L-Shaped Label. ----End 8.13 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 8-31. NOTICE Ensure that cables and waterproof blocks are properly inserted into troughs. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 Figure 8-32 Closing the cover plate of an RRU cabling cavity (1) Protection screw Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue 07 (2013-12-30) 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 124: Powering On An Rru

    For details about how to power on an RRU, see Powering On an RRU. For details about how to power off an RRU, see section "Powering-Off the RRU" in RRU Maintenance Guide. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 125 -36 V DC to -57 V DC. (b) The RUN indicator on the RRU is on for 1s and off for 1s. The ALM indicator is steady off. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 126: Appendix

    11.1 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 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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

    Step 1 Determine the length of the power cable for different operations based on the labels, as shown Figure 11-2. Figure 11-2 Determining the length of the power cable Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 128 Figure 11-5 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 11-6. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Figure 11-7 Adding a tool-less female connector (pressfit type) to two core wires Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer, as shown in Figure 11-8. Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Each core wire is exposed outside the tool-less female connector (pressfit type) for 1.5 mm (0.059 [in.]), as shown in Figure 11-9. Figure 11-9 Inserting core wires into the tool-less female connector (pressfit type) ----End Issue 07 (2013-12-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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