rru3232 hardware description(01)(pdf)-en

RRU3232V100R005C00

Hardware Description

Issue 01Date 2012-05-10

HUAWEI TECHNOLOGIES CO., LTD.

Copyright Huawei Technologies Co., Ltd. 2012. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd. Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders. NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representationsof any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute the warranty of any kind, express or implied. Huawei Technologies Co., Ltd.Address: Huawei Industrial Base

Bantian, LonggangShenzhen 518129People's Republic of China

Website: http://www.huawei.comEmail: [email protected]

Issue 01 (2012-05-10) Huawei Proprietary and ConfidentialCopyright Huawei Technologies Co., Ltd.

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About This Document

OverviewThis document provides reference for planning and deploying an RRU3232 (referred to as RRUin this document). It presents the exterior and describes the ports, functions, cable types,connector specifications, and cable connections of the remote radio unit (RRU).

Product VersionThe following table lists the product version related to this document.

Product Name Product VersionDBS3900 LTE TDD V100R005C00 and later

Intended AudienceThis document is intended for:l Base station installation engineersl System engineersl Site maintenance engineers

Organization1 Changes in the RRU3232 Hardware DescriptionThis chapter describes changes in different versions of the RRU3232 Hardware Description.2 RRU IntroductionThis chapter describes the radio remote unit (RRU).3 RRU CablesThis chapter describes remote radio unit (RRU) cables.

RRU3232Hardware Description About This Document


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4 RRU Auxiliary DevicesThis chapter describes remote radio unit (RRU) auxiliary devices.

ConventionsSymbol ConventionsThe symbols that may be found in this document are defined as follows.

Symbol DescriptionIndicates a hazard with a high level of risk, which if notavoided, will result in death or serious injury.

Indicates a hazard with a medium or low level of risk, whichif not avoided, could result in minor or moderate injury.

Indicates a potentially hazardous situation, which if notavoided, could result in equipment damage, data loss,performance degradation, or unexpected results.Indicates a tip that may help you solve a problem or savetime.Provides additional information to emphasize or supplementimportant points of the main text.

General ConventionsThe general conventions that may be found in this document are defined as follows.

Convention DescriptionTimes New Roman Normal paragraphs are in Times New Roman.Boldface Names of files, directories, folders, and users are in

boldface. For example, log in as user root.Italic Book titles are in italics.Courier New Examples of information displayed on the screen are in

Courier New.

Command ConventionsThe command conventions that may be found in this document are defined as follows.

Convention DescriptionBoldface The keywords of a command line are in boldface.



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Convention DescriptionItalic Command arguments are in italics.[ ] Items (keywords or arguments) in brackets [ ] are optional.{ x | y | ... } Optional items are grouped in braces and separated by

vertical bars. One item is selected.[ x | y | ... ] Optional items are grouped in brackets and separated by

vertical bars. One item is selected or no item is selected.{ x | y | ... }* Optional items are grouped in braces and separated by

vertical bars. A minimum of one item or a maximum of allitems can be selected.

[ x | y | ... ]* Optional items are grouped in brackets and separated byvertical bars. Several items or no item can be selected.

GUI ConventionsThe GUI conventions that may be found in this document are defined as follows.

Convention DescriptionBoldface Buttons, menus, parameters, tabs, window, and dialog titles

are in boldface. For example, click OK.> Multi-level menus are in boldface and separated by the ">"

signs. For example, choose File > Create > Folder.

Keyboard OperationsThe keyboard operations that may be found in this document are defined as follows.

Format DescriptionKey Press the key. For example, press Enter and press Tab.Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt

+A means the three keys should be pressed concurrently.Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means

the two keys should be pressed in turn.

Mouse OperationsThe mouse operations that may be found in this document are defined as follows.



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Action DescriptionClick Select and release the primary mouse button without moving

the pointer.Double-click 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.



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Contents

About This Document.....................................................................................................................ii1 Changes in the RRU3232 Hardware Description....................................................................12 RRU Introduction..........................................................................................................................2

2.1 RRU Exterior......................................................................................................................................................32.2 Ports on the RRU................................................................................................................................................32.3 Indicators on the RRU........................................................................................................................................5

3 RRU Cables.....................................................................................................................................73.1 RRU Cable List..................................................................................................................................................93.2 RRU PGND Cable............................................................................................................................................103.3 RRU Power Cable............................................................................................................................................113.4 RRU Alarm Cable............................................................................................................................................123.5 CPRI Fiber Optic Cable....................................................................................................................................133.6 RRU RF Jumper...............................................................................................................................................163.7 RRU AISG Multi-Wire Cable..........................................................................................................................173.8 RRU AISG Extension Cable............................................................................................................................18

4 RRU Auxiliary Devices..............................................................................................................204.1 IFS06................................................................................................................................................................214.2 OCB..................................................................................................................................................................22

RRU3232Hardware Description Contents


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1 Changes in the RRU3232 HardwareDescription

This chapter describes changes in different versions of the RRU3232 Hardware Description.

01 (2012-05-10)This is the first official release.Compared with draft A (2012-03-30), this issue does not add any information.Compared with draft A (2012-03-30), this issue does not incorporate any change.Compared with draft A (2012-03-30), this issue does not remove any information.

Draft A (2012-03-30)This is a draft.

RRU3232Hardware Description 1 Changes in the RRU3232 Hardware Description


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2 RRU IntroductionAbout This Chapter

This chapter describes the radio remote unit (RRU).The RRU performs the following functions:l Receives downlink baseband data from the baseband unit (BBU) and sends uplink baseband

data for the communication between the BBU and the RRU.l Receives radio frequency (RF) signals from the antenna system, down-converts the

received signals to IF signals, amplifies the IF signals, and performs analog-to-digitalconversion. The TX channel filters downlink signals, performs digital-to-analogconversion, and up-converts IF signals to the TX band.

l Multiplexes RX and TX signals, which enables these signals to share the same antennapath. It also filters the RX and TX signals.

2.1 RRU ExteriorThis section describes the exterior and dimensions of an RRU.2.2 Ports on the RRUThis section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavitypanel, and indicator panel.2.3 Indicators on the RRUThis section describes six indicators on an RRU. They indicate the running status.

RRU3232Hardware Description 2 RRU Introduction


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2.1 RRU ExteriorThis section describes the exterior and dimensions of an RRU.Figure 2-1 shows an RRU.The RRU on the left has a housing, and the RRU on the right does not have a housing.

Figure 2-1 RRU exterior

Figure 2-2 shows RRU dimensions.

Figure 2-2 RRU dimensions

2.2 Ports on the RRUThis section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavitypanel, and indicator panel.



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Figure 2-3 shows ports on the RRU panels.

Figure 2-3 Ports on the RRU panels

Table 2-1 describes ports and indicators on the RRU panels.

Table 2-1 Ports and indicators on the RRU panelsItem Label Description(1) Ports at the bottom ANT0-ANT3 TX/RX port. ANT0 port supports RET signal

transmission.RET/EXT_ALM Communication port for the RET antenna or

port for alarm reporting, supporting RETsignal transmission



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Item Label Description(2) Ports in the cablingcavity

CPRI0/IR0 Optical portsCPRI1/IR1RTN(+) Power supply socketsNEG(-)

(3) Indicators RUN For details, see 2.3 Indicators on the RRU.ALMACTVSWRCPRI0/IR0CPRI1/IR1

NOTE

When only two RF ports on the RRU are required to transmit RF signals, ports ANT0 and ANT1 are usedby default.The port for transmitting RET signals is determined by the software.

2.3 Indicators on the RRUThis section describes six indicators on an RRU. They indicate the running status.For detailed positions of indicators on the RRU, see 2.2 Ports on the RRU.Table 2-2 describes indicators on the RRU.

Table 2-2 Indicators on the RRULabel Color Status DescriptionRUN Green On There is power supply, but the module

is faulty.Off There is no power supply, or the

module is faulty.Blinking (on for 1s and offfor 1s)

The module is working properly.

Blinking (on for 0.125s andoff for 0.125s)

Software is being loaded to themodule, or the module is not started.

ALM Red On Alarms are generated, and the modulemust be replaced.



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Label Color Status DescriptionOff No alarm is generated.Blinking (on for 1s and offfor 1s)

Alarms are generated. The alarmsmay be caused by the faults on therelated boards or ports. Therefore, thenecessity for module replacement isuncertain.

ACT Green On The module is working properly withTX channels enabled or software isbeing loaded without RRU running.

Blinking (on for 1s and offfor 1s)

The module is working properly withTX channels disabled.

VSWR Red Off No VSWR alarm is generated.On VSWR alarms are generated.

CPRI0/IR0

Red andgreen

Steady green The CPRI link is available.Steady red An optical module fails to transmit or

receive signals because the opticalmodule is faulty or the fiber opticcable is broken.

Blinking red (on for 1s andoff for 1s)

The CPRI link is out of lock becauseof mutual lock of dual-mode clocksources or mismatched data rates overCPRI ports (you are advised to checkthe system configuration to identifythe fault).

Off The SFP module is not properlyinstalled, or the optical module ispowered off.

CPRI1/IR1

Red andgreen

Steady green The CPRI link is available.Steady red An optical module fails to transmit or

receive signals because the opticalmodule is faulty or the fiber opticcable is broken.

Blinking red (on for 1s andoff for 1s)

The CPRI link is out of lock becauseof mutual lock of dual-mode clocksources or mismatched data rates overCPRI ports (you are advised to checkthe system configuration to identifythe fault).

Off The SFP module is not properlyinstalled, or the optical module ispowered off.



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3 RRU CablesAbout This Chapter

This chapter describes remote radio unit (RRU) cables.

3.1 RRU Cable ListThis section describes RRU cable connections.3.2 RRU PGND CableThis section describes the remote radio unit (RRU) protection ground (PGND) cable. An RRUPGND cable connects an RRU and a ground bar, ensuring the proper grounding of the RRU.3.3 RRU Power CableThis section describes the remote radio unit (RRU) power cable. An RRU power cable is a -48V DC shield cable. It feeds -48 V DC power to an RRU. DC is short for direct current.3.4 RRU Alarm CableThis section describes the remote radio unit (RRU) alarm cable. An RRU alarm cable is ashielded straight-through cable which transmits alarm signals from an external device to RRUsso that the eNodeB monitors the operating status of external devices.3.5 CPRI Fiber Optic CableCPRI fiber optic cables are classified into multi-mode fiber optic cables and single-mode fiberoptic cables. They transmit CPRI signals.3.6 RRU RF JumperThis section describes the remote radio unit (RRU) radio frequency (RF) jumper. The 1/2-inchRRU RF jumper transmits and receives RF signals between an RRU and an antenna.3.7 RRU AISG Multi-Wire CableThis section describes a remote radio unit (RRU) AISG multi-wire cable with the length of 5 m.It connects an RRU and a remote control unit (RCU) to transmit control signals from an eNodeBto the remote electrical tilt (RET) antenna. When the RRU is connected to the RET antenna, anAISG multi-wire cable transmits RS485 signals.3.8 RRU AISG Extension CableThis section describes the remote radio unit (RRU) AISG extension cable. When the distancebetween an RRU and a remote control unit (RCU) is longer than 5 m, an AISG multi-wire cable

RRU3232Hardware Description 3 RRU Cables


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is not long enough to connect the RRU and the RCU. In this case, an AISG extension cable isused to extend the AISG multi-wire cable for transmitting RS485 signals.



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3.1 RRU Cable ListThis section describes RRU cable connections.Table 3-1 lists RRU cables.

Table 3-1 RRU cablesCable One End The Other End

Connector InstallationPosition

Connector InstallationPosition

3.2 RRUPGND Cable

OT terminal(M6, 16 mm2[0.025 in.2])

Groundterminal on theRRU

OT terminal (M8,16 mm2 [0.025 in.2])

Ground terminalon the ground bar

3.3 RRUPower Cable

Easy powerreceptacle(pressfit type)connector

NEG(-) andRTN(+) portson the RRU

Easy powerreceptacle(pressfit type)connector

RRU0 to RRU5on the EPS

OT terminal (M4,3.3 mm2 [0.005in.2]), complyingwith NorthAmericanstandardsOT terminal (M4,4 mm2 [0.006 in.2]), complyingwith Europeanstandards

One of LOAD0 toLOAD5 ports onthe DCDUOne of LOAD4 toLOAD9 ports onthe PDU

3.5 CPRIFiber OpticCable

DLC connector CPRI0/IR0 porton the RRU

DLC connector CPRI port on theLBBP in the BBU

CPRI1/IR1 porton the RRU

CPRI0/IR0 porton the RRU

3.6 RRU RFJumper

Type Nconnector

ANT0 to ANT3ports on theRRU

Type N connector Antenna system

3.4 RRUAlarm Cable

WaterproofedDB9 maleconnector

RET/EXT_ALM porton the RRU

Cord end terminal External alarmdevice

3.7 RRUAISG Multi-Wire Cable

WaterproofedDB9 maleconnector

RET/EXT_ALM porton the RRU

Standard AISGfemale connector

Standard AISGmale connectoron the RCU or onthe AISGextension cable



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Cable One End The Other EndConnector Installation

PositionConnector Installation

Position3.8 RRUAISGExtensionCable

Standard AISGmale connector

Standard AISGfemaleconnector on theAISG multi-wire cable

Standard AISGfemale connector

Standard AISGmale connectoron the RCU

3.2 RRU PGND CableThis section describes the remote radio unit (RRU) protection ground (PGND) cable. An RRUPGND cable connects an RRU and a ground bar, ensuring the proper grounding of the RRU.

ExteriorThe PGND cable is green and yellow and has a cross-sectional area of 16 mm2. Both ends ofthe cable are OT terminals. If a customer prepares the PGND cable, a copper-core cable with across-sectional area of not less than 16 mm2 is recommended. Figure 3-1 shows a PGND cable.

Figure 3-1 PGND cable

1. M6 OT terminal with a cross-sectional area of 16mm2

2. M8 OT terminal with a cross-sectional area of 16mm2

OT terminals must be added to both ends of the PGND cable onsite. You can determine the colorof the cable and whether to use two-hole OT terminals based on local regulations.Figure 3-2 shows a two-hole OT terminal.

Figure 3-2 Two-hole OT terminal



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3.3 RRU Power CableThis section describes the remote radio unit (RRU) power cable. An RRU power cable is a -48V DC shield cable. It feeds -48 V DC power to an RRU. DC is short for direct current.

ExteriorThere are two types of RRU power cables in terms of cross-sectional areas: 3.3 mm2 (12 AWG)complying with North American standards and 4 mm2 complying with European standards. TheRRU power cable has a tool-less female connector (pressfit type) at one end and a bare wire atthe other end. A corresponding terminal is added to the bare wire based on the requirements ofthe connector on the external power device, as shown in Figure 3-3.

Figure 3-3 RRU power cable

1. RTN(+) 2. NEG(-)

Pin AssignmentThe DC power input cable has two core wires. Table 3-2 and Table 3-3 describe the pinassignment for the core wires of a DC power input cable.

Table 3-2 Pin assignment for the core wires of a DC power input cable (North AmericanStandards)

Core Wire Color of the Core Wire(-) Blue(+) Black

Table 3-3 Pin assignment for the core wires of a DC power input cable (European Standards)Core Wire Color of the Core Wire(-) Blue(+) Brown



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3.4 RRU Alarm CableThis section describes the remote radio unit (RRU) alarm cable. An RRU alarm cable is ashielded straight-through cable which transmits alarm signals from an external device to RRUsso that the eNodeB monitors the operating status of external devices.

ExteriorAn alarm cable has a DB9 connector at one end and eight cord end terminals at the other end,as shown in Figure 3-4.

Figure 3-4 RRU alarm cable

1 Waterproofed DB9 connector 2 Cord end terminal

Pin AssignmentTable 3-4 describes the pin assignment for the core wires of an RRU alarm cable.

Table 3-4 Pin assignment for the core wires of an RRU alarm cableRRUAlarmPort

Pin of theDB9Connector

Color ofthe CoreWire

Type ofthe CoreWire

Cord EndTerminal

Description

Drycontact

X1.2 White andblue

Twistedpair

X2 SWITCH_INPUT0+

X1.4 Blue X3 SWITCH_INPUT0-(GND)

X1.7 White andorange

Twistedpair

X4 SWITCH_INPUT1+

X1.4 Orange X5 SWITCH_INPUT1-(GND)

RS485 X1.6 White andgreen

Twistedpair

X6 APM RX-



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RRUAlarmPort

Pin of theDB9Connector


Type ofthe CoreWire

Cord EndTerminal

Description

X1.8 Green X7 APM RX+X1.5 White and

brownTwistedpair

X8 APM TX-

X1.3 Brown X9 APM TX+

3.5 CPRI Fiber Optic CableCPRI fiber optic cables are classified into multi-mode fiber optic cables and single-mode fiberoptic cables. They transmit CPRI signals.

NOTE

l An ODF can be used when the distance between a BBU and an RRU or the distance betweeninterconnected RRUs is longer than 100 m (328.08 ft).

l A single-mode fiber optic cable connects a BBU to an ODF or connects an ODF to an RRU.

ExteriorFigure 3-5 shows a fiber optic cable between a BBU and an RRU or between RRUs, with aDLC connector at each end.

Figure 3-5 Fiber optical cable between a BBU and an RRU or between RRUs

(1) DLC connector (2) Branch optical fiber (3) Label on the branch optical fiber

When a fiber optical cable connects a BBU and an RRU, the optical fibers on the BBU side andRRU side are 0.34 m (0.013 in.) and 0.03 m (0.0012 in.) long, respectively. When a fiber opticalcable connects two RRUs, the optical fibers on both RRU sides are 0.03 m (0.0012 in.) long.Figure 3-6 shows the connections for a CPRI fiber optic cable between a BBU and an RRU.



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Figure 3-6 Connections for a CPRI fiber optic cable between a BBU and an RRU

(1) CPRI fiber optic cable between a BBU and an RRU

Figure 3-7 shows a single-mode fiber optic cable between a BBU and an ODF or between anODF and an RRU, with a DLC connector at one end and an FC connector at the other end.

Figure 3-7 Single-mode fiber optic cable between a BBU and an ODF or between an ODF andan RRU

(1) DLC connector (2) Branch optical fiber(3) Label on the branch optical fiber (4) FC connector

When a single-mode fiber optic cable connects a BBU and an ODF, the optical fibers on theBBU side and ODF side are 0.34 m (0.013 in.) and 0.8 m (0.031 in.) long, respectively.When a single-mode fiber optic cable connects an ODF and an RRU, the optical fibers on theRRU side and ODF side are 0.03 m (0.013 in.) and 0.8 m (0.031 in.) long, respectively.Figure 3-8 shows the connections for a single-mode CPRI fiber optic cable between a BBU andan ODF or between an ODF and an RRU.



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Figure 3-8 Connections for a single-mode fiber optic cable between a BBU and an ODF orbetween an ODF and an RRU

(1) Single-mode CPRI fiber optic cable between a BBUand an ODF

(2) Single-mode CPRI fiber optic cable between anODF and an RRU

NOTE

A CPRI fiber optic cable must be connected to optical modules in the CPRI ports. A multi-mode fiber opticcable and single-mode fiber optic cable are connected to multi-mode optical modules and single-mode opticalmodules, respectively.

Pin AssignmentTable 3-5, Table 3-6, and Table 3-7 describe the labels on and recommended connections forfiber optic cables of an optical assembly.

Table 3-5 Labels on and recommended connections for optical fibers of an optical assemblybetween a BBU and an RRU

Label Connected To1A CPRI RX port on the RRU1B CPRI TX port on the RRU2A TX port on the BBU2B RX port on the BBU

Table 3-6 Labels on and recommended connections for optical fibers of a fiber optic cablebetween RRUs

Label Connected To1A CPRI RX port on RRU 11B CPRI TX port on RRU 1



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Label Connected To2A CPRI TX port on RRU 02B CPRI RX port on RRU 0

Table 3-7 Labels on and recommended connections for optical fibers of a single-mode opticalassembly between a BBU and an ODF or between an ODF and an RRU

Label Connected To1A RX port on the BBU or CPRI RX port on the RRU1B TX port on the BBU or CPRI TX port on the RRU2A ODF2B ODF

3.6 RRU RF JumperThis section describes the remote radio unit (RRU) radio frequency (RF) jumper. The 1/2-inchRRU RF jumper transmits and receives RF signals between an RRU and an antenna.

NOTE

l When the distance between an RRU and an antenna is within 14 m, connect one end of the RF jumper tothe ANT-TX/RXA or ANT-TX/RXB port at the RRU bottom, and connect the other end to the antenna.

l When the distance between the RRU and the antenna exceeds 14 m, connect an RF jumper to each end ofthe feeder. Then, connect the RF jumpers to the RRU and to the antenna. If the customer prepares the RFjumper, the length of the RF jumper must be as short as possible and not exceed 2 m.

ExteriorAn RF jumper has a type N male connector at one end and a customized connector at the otherend.Figure 3-9 shows an RF jumper with a type N male connector at each end.

Figure 3-9 RF jumper

1. Type N male connector



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3.7 RRU AISG Multi-Wire CableThis section describes a remote radio unit (RRU) AISG multi-wire cable with the length of 5 m.It connects an RRU and a remote control unit (RCU) to transmit control signals from an eNodeBto the remote electrical tilt (RET) antenna. When the RRU is connected to the RET antenna, anAISG multi-wire cable transmits RS485 signals.

NOTE

An RCU is a driving motor used for the phase shifter in the RET antenna. It receives control commands froman eNodeB and runs the commands to drive the stepper motor. Using a gear, the stepper motor drives theadjustable phase shifter in the antenna and changes the downtilt angle.

ExteriorAn AISG multi-wire cable has a waterproofed DB9 male connector at one end and a standardAISG female connector at the other end, as shown in Figure 3-10.

Figure 3-10 AISG multi-wire cable

1. DB9 waterproof male connector 2. Standard AISG female connector

Pin AssignmentTable 3-8 describes the pin assignment for the core wires of an AISG multi-wire cable.

Table 3-8 Pin assignment for the core wires of an AISG multi-wire cableX1 End (Pin of theWaterproofedDB9 MaleConnector)

X2 End (Pin of theStandard AISGFemale Connector)


Type ofthe CoreWire

Description

X1.1 X2.1White andblue Twisted

pair +12 VBlue



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X1 End (Pin of theWaterproofedDB9 MaleConnector)

X2 End (Pin of theStandard AISGFemale Connector)


Type ofthe CoreWire

Description

X1.3 X2.3 White andorange Twisted

pairRS485 B

X1.5 X2.5 Orange RS485 AX1.4 X2.4 White and

green- GND

X1.9 is connected toX1.4.

- - - GND

- X2.1 is connected toX2.6.

- - +12 V

- X2.4 is connected toX2.7.

- - GND

3.8 RRU AISG Extension CableThis section describes the remote radio unit (RRU) AISG extension cable. When the distancebetween an RRU and a remote control unit (RCU) is longer than 5 m, an AISG multi-wire cableis not long enough to connect the RRU and the RCU. In this case, an AISG extension cable isused to extend the AISG multi-wire cable for transmitting RS485 signals.

ExteriorAn AISG extension cable has a standard AISG male connector at one end and a standard AISGfemale connector at the other end, as shown in Figure 3-11.

Figure 3-11 AISG extension cable

1. Standard AISG male connector 2. Standard AISG female connector



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Pin AssignmentTable 3-9 describes the pin assignment for the core wires of an AISG extension cable.

Table 3-9 Pin assignment for the core wires of an AISG extension cableX1 End (Pinof theStandardAISG MaleConnector)

X2 End (Pinof theStandardAISGFemaleConnector)

Color of theCore Wire

Type of theCore Wire

Description

X1.1 X2.1 White and blue Twisted pair +12 VBlue

X1.7 X2.7 White and orange Twisted pair DC Return AOrange

X1.3 X2.3 White and green Twisted pair RS485 BX1.5 X2.5 Green RS485 AX1.6 X2.6 White and brown Twisted pair +24 V

Brown



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4 RRU Auxiliary DevicesAbout This Chapter

This chapter describes remote radio unit (RRU) auxiliary devices.

4.1 IFS06An Indoor Floor installation Support (IFS06) is used for installing indoor RRUs.4.2 OCBAn Outdoor Cable Conversion Box (OCB) interconnects cables of different core diameters.Power cables shipped with RRUs cannot support long-distance power supply. Therefore, whenpower supply is far from the equipment, cables with large core diameters are used, and an OCBconnects these cables and RRU power cables.

RRU3232Hardware Description 4 RRU Auxiliary Devices


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4.1 IFS06An Indoor Floor installation Support (IFS06) is used for installing indoor RRUs.

ExteriorFigure 4-1 shows an IFS06.

Figure 4-1 IFS06

Functionl It can be installed on the ground.l It supports the installation of six RRUs.l The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for

heights of RRUs.

StructureThe IFS06 consists of the main frame, cable tray, upper and lower adjustable beams, and frontand rear feet, as shown in Figure 4-2.



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Figure 4-2 IFS06 structure

(1) Upper adjustable beam (2) Main frame (3) Lower adjustable beam(4) Front foot (5) Rear foot (6) Cable tray

SpecificationsTable 4-1 describes IFS06 specifications.

Table 4-1 IFS06 specificationsItem SpecificationDimensions 1730 mm (79 in.) x 600 mm (23.62 in.) x 600 mm (23.62 in.)

(H x W x D)Weight 45 kg (99.23 lb)

4.2 OCBAn Outdoor Cable Conversion Box (OCB) interconnects cables of different core diameters.Power cables shipped with RRUs cannot support long-distance power supply. Therefore, whenpower supply is far from the equipment, cables with large core diameters are used, and an OCBconnects these cables and RRU power cables.



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Application Scenario of an OCBFigure 4-3 shows the application scenario of an OCB.

Figure 4-3 Application scenario of an OCB

For details about the structure, functions, installation, and maintenance of an OCB, see the OCBUser Guide.



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About This DocumentContents1 Changes in the RRU3232 Hardware Description2 RRU Introduction2.1 RRU Exterior2.2 Ports on the RRU2.3 Indicators on the RRU

3 RRU Cables3.1 RRU Cable List3.2 RRU PGND Cable3.3 RRU Power Cable3.4 RRU Alarm Cable3.5 CPRI Fiber Optic Cable3.6 RRU RF Jumper3.7 RRU AISG Multi-Wire Cable3.8 RRU AISG Extension Cable

4 RRU Auxiliary Devices4.1 IFS064.2 OCB

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