Huawei RRU3931E Installation Manual
  1. Manuals
  2. Brands
  3. Huawei Manuals
  4. Receiver
  5. RRU3931E
  6. Installation manual
Huawei RRU3931E Installation Manual

Huawei RRU3931E Installation Manual

Remote radio unit
Hide thumbs Also See for RRU3931E:
Table of Contents

Quick Links

See also: Maintenance Manual
RRU3931E
V100R011C10
Installation Guide
Issue
Draft A
Date
2016-03-30
HUAWEI TECHNOLOGIES CO., LTD.
Table of Contents
loading

Related Manuals for Huawei RRU3931E

Summary of Contents for Huawei RRU3931E

  • Page 1 RRU3931E V100R011C10 Installation Guide Issue Draft A Date 2016-03-30 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: Table Of Contents

    1.5 Installation Process............................... 11 1.6 Installing a RRU3931E..............................12 1.6.1 Mounting Kits................................12 1.6.2 Installing a RRU3931E on a Pole..........................14 1.6.3 Installing a RRU3931E on a Wall..........................17 1.7 Installing Cables................................21 1.7.1 Cabling Requirements............................... 21 1.7.2 Cable Connections..............................23 1.7.3 Opening the Maintenance Cavity Covers........................24 1.7.4 Installing a Power Cable............................25...
  • Page 4 1.11.4 Assembling a Tool-less Female Connector (Pressfit Type) and a Power Cable............53 1.11.5 Small Cell Engineering Label..........................56 1.11.6 Attaching a Sign Plate Label........................... 57 1.11.7 SN Collection Template............................59 Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Rru3931E Installation Guide

    1 RRU3931E Installation Guide RRU3931E Installation Guide Introduction This document describes how to install a RRU3931E in different scenarios and provides the hardware installation checklist as a reference. Product Version The following table lists the product versions related to this document.
  • Page 6 1.4 Obtaining the SN1.4 Obtaining the SN This section describes how to obtain the serial number (SN) of a RRU3931E. Before installing the RRU3931E, record its SN for future use during commissioning. 1.5 Installation Process1.5 Installation Process This section describes the process for installing a RRU3931E.
  • Page 7 This section describes how to replace the RRU3931E internal antenna with external antennas. 1.9 Checking the Hardware Installation This section describes how to check the hardware installation after a RRU3931E is installed. 1.10 Performing a Power-On Check This section describes the procedure for performing a power-on check on a RRU3931E.

  • Page 8: Changes In Rru3931E Installation Guide

    For the sake of surge protection, the mounting height of a RRU3931E should not be greater than 10 m. Do not install a RRU3931E along a highway or railway or on the mountain top, tower, standalone pole in a suburban area or open field, or standalone rooftop in a non-urban area.

  • Page 9: Reference Documents

    110 V AC single-phase NOTE l The requirements provided in the preceding table are based on the peak power of a RRU3931E and do not represent power consumption when the RRU3931E is running. l Minimum value: Ensures that a RRU3931E can work normally under normal circumstances.

  • Page 10: Skills And Requirements For Installation Personnel

    Before starting 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 engineering methods. The number of required installation personnel depends on the engineering schedule and installation environment.

  • Page 11: Installation Scenarios

    Wall-mounted Installation In wall-mounted installation scenarios, note the following: The wall has a capacity of bearing at least four times the weight of the RRU3931E to be installed without damage. Expansion bolts must be torqued to 28 N·m to ensure the bolts work properly without causing cracks on the wall.

  • Page 12: Installation Clearance Requirements

    (1) RRU3931E (2) Attachment plate (3) Mounting bracket 1.2.6 Installation Clearance Requirements This section describes the clearance requirements for installing a RRU3931E on a pole or wall. Figure 1-3 shows the recommended installation clearances around a RRU3931E. Figure 1-3 Recommended installation clearances around a RRU3931E...

  • Page 13: Unpacking Inspection

    This section describes how to unpack and check the delivered materials to ensure that all the materials are included and intact. Prerequisites NOTICE After a RRU3931E is unpacked, power it on within 24 hours. If the RRU3931E is powered off for maintenance, restore power to it within 24 hours. Context NOTE When transporting, moving, or installing the equipment, components, or parts, you must: l Prevent them from colliding with doors, walls, shelves, or other objects.
  • Page 14 To help find out the cause of any damage in the future, take photos of the storeroom, rusted or eroded equipment, packing cases, and packing materials, and then file the photos. ----End Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Obtaining The Sn

    Installation Guide 1 RRU3931E Installation Guide 1.4 Obtaining the SN This section describes how to obtain the serial number (SN) of a RRU3931E. Before installing the RRU3931E, record its SN for future use during commissioning. Context The SN uniquely identifies a device and is required during commissioning. The SN label of a RRU3931E is attached to the surface of the RRU3931E.

  • Page 16: Installing A Rru3931E

    1.6 Installing a RRU3931E This section describes the procedure and precautions for installing a RRU3931E. 1.6.1 Mounting Kits This section describes the kits for mounting a RRU3931E on a pole or wall. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential...
  • Page 17 Mounting bracket. Figure 1-8 Mounting bracket (1) Hole for a fastening (2) Mounting hole for an (3) Mounting hole for a steel screw expansion bolt belt Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Installing A Rru3931E On A Pole

    1 RRU3931E Installation Guide 1.6.2 Installing a RRU3931E on a Pole This section describes the procedure and precautions for installing a RRU3931E on a pole. Procedure Step 1 Route two steel belts separately through the up and down mounting holes on the Mounting bracket, but do not route the steel belts through the buckles.
  • Page 19 Partially tighten each steel belt with the force not less than 50 N, bend it by 180°, and press the steel belt at turns firmly. See Figure 1-12. Figure 1-12 Tighten steel belts Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Figure 1-13. Figure 1-14 Check the rotation axis status (1) Rotation axis Step 3 Fit the RRU3931E onto the Mounting bracket, and use an M6 hex key screwdriver to torque the screw to 5 N·m. See Figure 1-15. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright ©...

  • Page 21: Installing A Rru3931E On A Wall

    ----End 1.6.3 Installing a RRU3931E on a Wall This section describes the procedure and precautions for installing a RRU3931E on a wall. Procedure Step 1 Place the Mounting bracket against the wall, use a level to verify that the mounting bracket is placed horizontally, and use a marker to mark anchor points.
  • Page 22 To prevent inhalation or eye contact with dust, take adequate preventive measures when drilling holes. Step 2 Drill holes at the anchor points, and install expansion bolts. See Figure 1-17. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Step 3 Fit the Mounting bracket onto the wall through the four expansion bolts, and use an M10 socket wrench to torque the four expansion bolts to 28 N·m. See Figure 1-18. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 (1) Nut (2) Spring washer (3) Flat washer (4) Swell fixture Step 4 Fit the RRU3931E onto the Mounting bracket, and use an M6 hex key screwdriver to torque the screw to 5 N·m. See Figure 1-19. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright ©...

  • Page 25: Installing Cables

    Figure 1-19 Fitting a RRU3931E onto a Mounting bracket NOTICE The narrow space of the RRU3931E toward the wall allows you only to fit the RRU3931E onto the Mounting bracket in barehanded way, instead of using the attachment plate hander.
  • Page 26 Cables must be routed in an untangled and orderly fashion. AC power cables must be tubed when routed. PGND cables must be routed as follows: Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Cable Connections

    Fuses or switches must not be installed on PGND cables. Other devices must not be used for electrical connections of PGND cables. All the metal parts in the housing of the RRU3931E must be reliably connected to the ground terminal.

  • Page 28: Opening The Maintenance Cavity Covers

    RRU3931E Installation Guide 1 RRU3931E Installation Guide Figure 1-20 RRU3931E cable connections (1) PGND cable (2) CPRI fiber optic (3) Power cable (4) RF Jumper cable NOTE When routing cables from a maintenance cavity, observe the following: l Route the power cable through the cable hole on the upper-layer rubber strip...

  • Page 29: Installing A Power Cable

    ----End 1.7.4 Installing a Power Cable This section describes the procedure and precautions for installing a power cable for a RRU3931E. The power cable connects the RRU3931E and external power supply equipment. Context Table 1-2 lists the specifications of a power cable.
  • Page 30 Cable. At the other end, add a terminal that matches the external power supply equipment. Step 2 Installing the power cable. Connect the terminal of the power cable to the PWR port on the RRU3931E. See Figure 1-22. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installing An Cpri Fiber Optic Cable

    The single-mode optical modules to be installed must match the data rate at the optical ports. Do not twist, bend, stretch, or squeeze fiber optic cables during installation. The cable route depends on actual requirements. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Requirements" and then use cable ties to bind the cable. Attach labels to the installed cables by following instructions in 1.11.6 Attaching a Sign Plate Label. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Optional) Installing An Cpri Fiber Optic Cable For Cascading

    Step 3 Remove the dustproof cap from the optical fiber connector, tidy the optical fibers, and insert the DLC connector into the optical module. See Figure 1-24. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Closing The Maintenance Cavity Covers

    Step 1 Insert waterproof blocks into vacant cable troughs in both the cabling holes. See Figure 1-25. CAUTION Ensure that cables or waterproof blocks are properly inserted into troughs. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installing A Pgnd Cable

    1 RRU3931E Installation Guide Figure 1-25 Checking that vacant cable troughs are properly waterproofed Step 2 Close the maintenance cavity covers of the RRU3931E. Use an M6 hex key screwdriver to torque the screws on the covers to 4.8 N·m. See Figure 1-26.
  • Page 36 Step 2 Install the PGND cable. Connect the M6 OT terminal at one end of the PGND cable to the ground terminal at the RRU3931E bottom and the M8 OT terminal at the other end to the external ground bar. See Figure 1-27.

  • Page 37: Optional) Installing An Rf Jumper

    1.11.6 Attaching a Sign Plate Label. 1.7.9 (Optional) Installing an RF Jumper This section describes how to install an RF jumper for a RRU3931E. This operation is required when the RRU3931E uses an external antenna. Context The cable route depends on actual requirements.
  • Page 38 1-30. Figure 1-30 Installing an RF jumper NOTICE Do not exert force on the non-metal part, that is, the black part, as shown in Figure 1-30 Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 When cutting off the cable tie, reserve a surplus length of 3 mm to 5 mm. Step 4 Connect the type N male connector at the other end of the RRU3931E RF jumper to the RF port on the external antenna system. See Figure 1-32.

  • Page 40: Optional)Replacing The Internal Antenna With External Antennas

    1.11.6 Attaching a Sign Plate Label. 1.8 (Optional)Replacing the Internal Antenna with External Antennas This section describes how to replace the RRU3931E internal antenna with external antennas. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Figure 1-34 Removing the antenna connector Step 2 Remove the screws from the antenna. Use an M4 hex key to loosen the three M4x14 screws at the bottom of the RRU3931E. Push the RRU3931E antenna downwards, as shown in Figure 1-35.
  • Page 42 1-36) of the Smart-type N male connector and push the connector upwards. A slight crack will be heard when the connector is properly installed. See Figure 1-36. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Step 4 (Optional) If an RF port is not used, retain and waterproof the waterproof cap on the port. Figure 1-37 Waterproofing a waterproof cap (1) Waterproof cap (2) PVC insulation tape (3) Waterproof tape Verify that waterproof caps are not removed. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Connect the DIN male and N female connector to the RF port of the external antenna system. Connect the type N male connector at one end of the RF jumper of the RRU3931E to the DIN male and N female connector.

  • Page 45: Checking The Hardware Installation

    1.7.1 Cabling Requirements, and then use cable ties to bind the cable. 1.9 Checking the Hardware Installation This section describes how to check the hardware installation after a RRU3931E is installed. Table 1-4 provides the checklist for the RRU3931E hardware installation.

  • Page 46: Performing A Power-On Check

    Labels are correct, legible, and complete at both ends of each cable. 1.10 Performing a Power-On Check This section describes the procedure for performing a power-on check on a RRU3931E. Context Figure 1-39 shows the RRU3931E power-on check procedure.

  • Page 47: References

    Procedure Step 1 Check that the cables are correctly connected. Step 2 Check that the input voltage of the RRU3931E is 110 V AC to 240 V AC, and the frequency ranges from 50 Hz to 60 Hz. Step 3 Power on the RRU3931E. Wait 3 to 5 minutes and then observe the indicator status of the RRU3931E.
  • Page 48 Do not damage the shield layer when removing the jacket. l Do not damage the insulation layer of the Ethernet cable when removing the shield layer. Figure 1-41 Removing the jacket of an Ethernet cable Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 White and green Blue White and blue Green White and brown Brown Step 3 Insert the sequenced twisted pair wires into the RJ45 connector. See Figure 1-43. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 5 Use a cable cutter to evenly cut off the protruding braided layer of the connector along the wire holder. See Figure 1-45 Figure 1-45 Cutting off the excess braided layer ----End Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Checking The Appearance Of Metal Contact Strips

    Figure 1-47 shows a qualified piece. NOTE All unqualified pieces must be crimped again. Figure 1-46 Metal contact strips of different heights Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 4 Check whether the metal contact strips and the plastic septa are well aligned and intact. If a part is skewed and it cannot be fixed, replace it with a new RJ45 connector. Figure 1-50 shows an unqualified piece. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Testing The Connection Of Assembled Cables

    This topic illustrates how to test a straight-through cable. Context Huawei provides two types of Ethernet cables: straight-through cables and crossover cables. Straight-through cables are connected in a one-to-one manner. They are used to connect network adapters to equipment such as switches or hubs.
  • Page 54 Orange-White Green Twisted Green-White Blue Twisted Blue-White Brown Twisted Brown-White Figure 1-52 shows the pins of an RJ45 connector. Figure 1-52 Pins of an RJ45 connector Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Step 3 Gently shake the connector and repeat Step 2 to check whether the metal contact strips are in good contact with the core wires and Ethernet ports, as shown in Figure 1-54. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 If a tester is not available, you can use a multimeter to perform a simple test, as shown in Figure 1-55. Figure 1-55 Testing the connection of an Ethernet cable Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Assembling A Tool-Less Female Connector (Pressfit Type) And A Power Cable

    Context DANGER Strictly follow the procedure described herein to make a tool-less female connector (pressfit type). Any incompliance may cause damage to the RRU3931E or personal injuries. Figure 1-56 shows the scale for making a power cable for the RRU3931E.
  • Page 58 It is good practice to wrap the three core wires for 16 mm and the adjacent section of the AC power cable section for about 10 mm. Step 5 Assemble a tool-less female connector (pressfit type) and the three core wires. See Figure 1-61. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 30 N. Ensure that all copper wires are inserted into the wiring terminal sockets and no copper wire is exposed outside the connector. ----End Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Small Cell Engineering Label

    Small Cellx Label for the BTSx Ethernet FE/GE0 electrical FE/GE0 cable. port label Small Cellx FE/GE1 FE/GE1 Small Cellx Label for the BTSx GPS label cable. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Attaching A Sign Plate Label

    1 RRU3931E Installation Guide NOTE l In the label content, Small Cell identifies a Huawei micro base station. l For a single base station, only labels with Small Cell or Small Cell0 are used. l For two base stations at the same site: If UMTS and LTE base stations are located at the same site, you are advised to label the UMTS base station as Small Cell0 and the LTE base station as Small Cell1.
  • Page 62 Step 2 Tighten the cable tie, securing the label on the cable, and then cut off the extra part of the cable tie, as shown in Figure 1-65. Figure 1-65 Securing the label on the cable (1): Cable tie (2): Cable (3): Label Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Sn Collection Template

    The SN collection template defines the radio network to access and is essential to engineering and subsequent maintenance, especially when multiple devices are installed at a short distance. Carefully maintain this template. Issue Draft A (2016-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

Table of Contents