Huawei RRU3908 V1 Manuel utilisateur

HUAWEI TECHNOLOGIES Co., Ltd.

RRU3908 V1

V100R003

Installation Guide

Issue: 02

Date: 2010-07-20

Contents

1. Installation Tools …………………………………………………………………………………………….

2. Installing the DC RRU ………………………………………………………………………………………

Installation Modes …………………………………………………………………………………….

Space Requirements …………………………………………………………………….. …………

Installation Procedure ………………………………………………………………………………….

Preparing for the installation ………………………………………………………………………….

Installing the RRU on a Metal Pole ………………………………………………………………….

Installing the RRU on a U-Steel …………………………………………………………………….

Installing the RRU on an Angle Steel ………………………………………………………………

Installing the RRU on a Wall …………………………………………………………………………

Cable Connections of a Single RRU ………………………………………………………………

Cable Connections of Multiple RRUs ………………………………………………………………

Cable List ……………………………………………………………………………………………...

Installing the RRU Cables ……………………………………………………………………………

RRU Cable Installation Scenarios …………………………………………………………………

3. Installing the AC RRU ………………………………………………………………………………... ……

Space Requirements ………………………………………………………………….. ……………

Installation Modes ……………………………………………………………………………………

Installing the Surge Protection Box (for Outdoor Scenarios) ……………………………………

Cable Connections of a Single RRU ……………………………………………………………….

Cable Connections of Multiple RRUs ………………………………………………………………

List of Cables (No Surge Protection Box Configured) ……………………………………………

List of Cables (Surge protection box Configured) ………………………………………………...

Installing the RRU Cables ……………………………………………………………………………

Installation Checklist ………………………………………………………………………………….

4. Powering On the RRU ………………………………………………………………………………………

5. Appendix ……………………………………………………………………………………………………

Binding the RRU and Installation Components …………………………………………………..

Making OT Terminals by Using a Cable Peeler (Recommended) ……………………………...

Making OT Terminals at the Input End of the Power Cable by Using a Knife …………………

Waterproofing Outdoor Cables ……………………………... ………………………………………

Installing the Optical Module …………………………………………………………………………

Installing the Corrugated Pipes of AC Power Cable ……………………………………………..

Pin Assignment for the Wires of the RRU Alarm Cable (DC) ……………………………………

6. Changes History ……………………………………………………………..………..…………..……….

Installation Tools

5mm

M3~M6

Multimeter

Guarded blade utility knife

Hammer drill (with bit 14) Vacuum cleaner

Rubber hammer

ESD gloves

Heat gun Flat-head screwdriver

(M3~M6)

Wire stripper

Wire cutter Adjustable wrench

(with the diameter of at least 32 mm)

Measuring tape

Level

Marking pen

(with the diameter of no more

than 10 mm)

Combination wrench

(21mm~21mm) for pole installation

(17mm~17mm) for wall installation

Phillips screwdriver

(M3~M6)

Torque wrench

Crimping pliers

Torque screwdriver

On a metal pole On a wall

On an angle steelOn a U-steel

aInstallation Modes

Installing the DC RRU

63mm

～

80mm

63 mm to 80 mm

50 mm to 100 mm

30 mm to 50 mm

≤10°

RRU

Angle steel

or U-steel

The following figure describes the specifications for the metal pole, angle steel, and U-steel where the RRU is

installed.

Angle steel U-steel

The brackets cannot be

combined when the RRUs

are installed on the wall.

zA maximum of two RRUs can be installed on a metal pole with the diameter of 60 mm to 76 mm, and the

RRUs must be installed on the back.

zOnly one RRU can be installed on a U-steel or an angle steel at the back.

zWhen installed on a tower, only one RRU can be installed in standard mode or reverse mode, and two RRUs

cannot be installed in back-to-back mode, or the brackets cannot be combined when the RRUs are installed on

the tower.

zA single DC RRU can be bound and lifted to a tower. For details, see page 34 "Binding the RRU and

Installation Components."

WARNING

The angle between

the vertical and the

angle steel or U-

steel or angle steel

where the RRU is

installed must be

less than or equal

to 10 degree.

60 mm to 114 mm

(The recommended value is 80 mm.)

Metal pole

Installing the DC RRU

bDimensions and Installation Clearance

Minimum Clearance for a Single RRU

RRU Dimensions

≥300 mm

≥500 mm

≥800mm

≥600mm

≥300mm

380 mm 170 mm

485 mm

The minimum installation clearance meets the

requirements of the equipment for normal running and

heat dissipation, but does not meet the requirements for

Operation and Maintenance (OM) such as checking the

status of the LEDs and opening the maintenance cavity.

When the installation space is restricted, the minimum

installation clearance can be adopted.

The recommended installation clearance meets the

requirements of the equipment for normal running and OM.

When the installation space is sufficient, the recommended

installation clearance can be adopted.

Minimum clearance for the RRU installed on

a tower

200 mm

300 mm

400mm

100mm

600mm

400 mm

100 mm

600 mm

Top view

200 mm

300 mm

280mm

400mm

400 mm 280 mm

Auxiliary metal pole

Main metal pole

Side viewTop view

Main metal

pole Auxiliary

metal pole

Recommended Clearance for a Single RRU

280 mm

≥300 mm ≥600 mm ≥600 mm 100 mm 400 mm 400 mm

≥500 mm

≥300 mm

Recommended Horizontal Spacing for

Two RRUs Installed in Parallel Minimum Horizontal Spacing for Two

RRUs Installed in Parallel

Recommended Vertical Spacing for Two

RRUs Installed in Parallel Minimum Vertical Spacing for Two

RRUs Installed in Parallel

Installing the DC RRU

300 mm

200 mm

bDimensions and Installation Clearance

cInstallation Procedure

dPreparing for the Installation

Installing the DC RRU

Dual-nut bolt

Main bracket

Auxiliary bracket Cover plate Attachment plate

Main and auxiliary brackets for the RRU Front Back

1200 mm～1600 mm

40N•m

When installing the

main bracket,

ensure that the

contact piece on

the bracket is fixed.

You may fit one end of the auxiliary bracket on one dual-nut bolt assembly and then the other end on the

other dual-nut bolt assembly during the installation.

Fasten the two dual-nut bolt assemblies

alternatively. After the brackets are secure,

use a tape to measure the spacing between

the main bracket and the auxiliary bracket at

the two sides and ensure that the spacing is

the same.

zThe weight-bearing capacity of the RF

ports at the bottom of the RRU is low. Do

not place the RRU at its bottom.

zDuring the operation, place the foam

pad or cardboard under the RRU to

prevent any damage to the housing of

the RRU.

2. Use an adjustable wrench to tighten the nut until the fastening torque is 40 N·m. In

this way, the main and auxiliary brackets are secured on the pole.

1. Install the main bracket.

eInstalling a Single RRU on a Metal Pole

3. Install the RRU on the main bracket. When you hear click sound, you can infer that

the RRU is in position.

Installing the DC RRU

lCable List

External alarm devicesEight cord end terminals

Port labeled EXT_ALM in the RRU cabling

cavity

DB15 male connectorDC RRU alarm

cable

Port labeled RX_IN/OUT on the lower-level

RRU

2W2 connector

Port labeled RX_IN/OUT on the upper-level

RRU

2W2 connectorRF cable between

RRUs

the CPRI_W port on the lower-level RRUSFP200 male connector

the CPRI_E port on the upper-level RRUSFP200 male connectorSFP high-speed

cable for

cascading

Standard AISG male connector of the RCUStandard AISG female connector

Standard AISG female connector of the AISG

multi-wire cable

Standard AISG male connectorAISG extended

cable between the

RRU and the RCU

Standard AISG male connector of the AISG

extension cable or RCU

Standard AISG female connector

Port labeled RET on the RRUWaterproof DB9 connectorAISG multi-wire

cable between the

RRU and the RCU

Connected to…Connector TypeCable

Installing the DC RRU

mInstalling the RRU Cables

1. Opening the Cover Plate of the RRU Cabling Cavity

2. The Cabling Cavity of the RRU

Cover plate of

the cabling cavity

Cabling cavity

Reference for making

the power cable

Waterproofing filler

Cable trough for the

power cable

Cable trough for the

optical cable

Cable trough for the

power cable

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