Huawei Technologies RRU3203 Distributed Base Station Remote Radio Unit User Manual Installation Guide

Huawei Technologies Co.,Ltd Distributed Base Station Remote Radio Unit Installation Guide

Installation Guide

HUAWEI TECHNOLOGIES CO., LTD.RRU3203 V100R001C01Installation GuideIssue: 01Date: 2010-04-13
1Installation Tools   ……………………………………Space Requirements …………………………………Installation Modes ……………………………………Installation Procedure ………………………………Components Delivered with the RRU ……………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 Wall …………………………Installing the RRU Cables …………………………RRU Hardware Installation Checklist ……………Powering On the RRU ………………………………Appendix………………………………………………Change History …………………………………...…ContentsCopyright © Huawei Technologies Co., Ltd. 2010. All rights reserved.2346671111121420202126
2MultimeterKnifeHammer drill (with bit 14) Vacuum cleanerClaw hammerESD glovesHeat gunFlat-head screwdriver(M3~M6)Wire stripperWire cutterPower cable crimping pliersAdjustable wrench(with the diameter of at least 32 mm [1.3 in.])Torque screwdriverMeasuring tapeLevelMarking pen(with the diameter of no more than 10 mm [0.4 in.])Combination wrench(21mm~21mm) for pole installation(17mm~17mm) for wall installationPhillips screwdriver(M3~M6)Torque wrenchTorque socketInstallation Tools
360 mm [2.4 in.] to 114 mm [4.5 in.] 63mm~80mm63 mm [2.5 in.] to 75 mm [3 in.] ≤10°RRUAngle steel or U-steelOn a metal pole On a wallOn an angle steelOn a U-steelInstallation OptionsThe following figure describes the specifications for the metal pole, angle steel, and U-steel where the RRU is installed.Metal pole Angle steel U-steelThe brackets cannot be combined when the RRUsare installed on the wall.zA maximum of two RRUs can be installed on a metal pole with a diameter of 60 mm [2.4 in.] to 75 mm [3 in.] , and the installation mode must be standard mode. Three or more RRUs must be installed on a metal pole with a diameter of 76 mm [3 in.] to 114 mm [4.5 in.] in a centralized way. zIt is recommended that only one RRU be installed on a U-steel or an angle steel.zWhen installed on a tower, one RRU can be installed only in standard mode or reverse mode rather than side-mounted. Two RRUs cannot be installed in back-to-back mode.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.63 mm [2.5 in.] to 75 mm [3 in.]  50 mm [2 in.] to 100 mm [3.9 in.] 30 mm [1.2 in.] to 50 mm [2.0 in.]
4Dimensions and Installation Clearance≥300 mm [11.8 in.] ≥500 mm [19.7 in.] ≥800 mm [31.5 in.] ≥600 mm [23.6 in.] ≥300 mm [11.8 in.] a381 mm [15.0 in.]  170 mm [6.7 in.] 485 mm [19.1 in.]  Dimensions of the RRUbRecommended Clearance for a Single RRUdRecommended Clearance for Multiple Centralized RRUs eMinimum Clearance for Multiple Centralized RRUscMinimum Clearance for a Single RRU200 mm [7.9 in.] 300 mm [11.8 in.] 400 mm [15.7 in.] 100 mm [3.9 in.] 600 mm [23.6 in.] ≥800 mm [31.5 in.] ≥500 mm [19.7 in.] ≥300 mm [11.8 in.] ≥500 mm [19.7 in.] ≥500 mm [19.7 in.] 300 mm [11.8 in.] 300 mm [11.8 in.] 200 mm [7.9 in.] 300 mm [11.8 in.] 600 mm [23.6 in.]
5Dimensions and Installation Clearancef gRecommended Horizontal Spacing for Two RRUs Installed in Parallel Minimum Horizontal Spacing for Two  RRUs Installed in ParallelhiRecommended Vertical Spacing for Two RRUs Installed in Parallel Minimum Vertical Spacing for Two RRUs Installed in Parallel≥300 mm [11.8 in.] ≥500 mm [19.7 in.] ≥500 mm [19.7 in.] 200 mm [7.9 in.] 300 mm [11.8 in.] 300 mm [11.8 in.] ≥300 mm [11.8 in.] ≥600 mm [23.6 in.] ≥600 mm [23.6 in.]  100 mm [3.9 in.]  400 mm [15.7 in.]  400 mm [15.7 in.]
6Dual-nut boltMain bracketAuxiliary bracketCover plate Attachment plateInstallation ProcedurePreparing the InstallationMain and auxiliary brackets for the RRU Front BackPrepare the installationStartInstall the RRU on a metal pole  Install the RRU on a U-steel  Install the RRU on an angle steel Install the RRU on a wall Install the RRU cablesPower on the RRUEndChecking the RRU Hardware Installation
71200 mm [47.2 in.]~1600 mm [63 in.]40 N•m[354 lbf•in.]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 [354 lbf•in.]. In this way, the main and auxiliary brackets are secured on the pole.1. Install the main bracket.Installing the RRU on a Metal PoleaInstalling a Single RRU on a Metal Pole3. Install the RRU on the main bracket. When you hear click sound, you can infer that the RRU is in position.
8Cabling cavityIn standard modeIn reverse modeInstalling the RRU on a Metal PoleInstalling Two RRUs Back-To-Back on a Metal Poleb4. Install the second RRU on the main bracket.3. Reinstall the attachment plate and cover plate on the second RRU by interchanging their positions.1. Install an RRU. For details, see page 7Installing a Single RRU on a Metal Pole.2. Install the main fixture for another RRU.Ensure that the cabling cavities of the two RRUs face the same direction when installing the RRUs.M6X164.8 N•m[42.5 lbf•in.]
9Installing the RRU on a Metal PoleInstalling Multiple RRUs in Centralized Modec2. Relocate the attachment plate.1. Install the main fixture and the auxiliary fixture. For details, see page 7 Installing a Single RRU in Ordinary Mode.4. Install the second main fixture.3. Fit the tabs on the attachment plate of theRRU into the anchor slots on the main fixture.5. Fit the tabs on the attachment plate ofthe second RRU into the anchor slots onthe second main fixture.6. Install the third RRU.M6X164.8 N•m[42.5 lbf•in.]
107. Install the fourth main fixture. 8. Fit the tabs on the attachment plate ofthe fourth RRU into the anchor slots onthe fourth main fixture.Installing the RRU on a Metal PoleInstalling Multiple RRUs in Centralized Modec9. Four RRUs installed in centralized mode. 10. Six RRUs installed in centralized mode.
11U-steelInstalling the RRU on a U-SteelPlan viewPlan viewAngle steelzThe procedure for installing the RRU on a U-steel is the same as that for installing the RRU on a metal pole.zIt is recommended that only one RRU be installed on a U-steel.zThe procedure for installing the RRU on an angle steel is the same as that for installing the RRU on a metal pole.zIt is recommended that only one RRU be installed on an angle steel.Installing the RRU on an Angle Steel
121200 mm [47.2 in.]to 1600 mm [63.0 in.]≥650 mm [25.6 in.] 128 mm[5 in.]RRULevelØ14After the expansion bolt is removed, dispose of the plastic tube.90°Installing the RRU on a Wall1. Place the auxiliary bracket at the installation position. Use a level to check that the auxiliary bracket is placed horizontally. Then, mark the anchor points by using a marking pen.zIt is recommended that the auxiliary bracket be 1,200 mm [47.2 in.] to 1,600 mm [63.0 in.] above the ground.zThe RRUs cannot installed on a wall in centralized mode. Therefore, expansion bolt assemblies should be prepared for each RRU.2. Drill holes at the anchor points and then install the expansion bolt assemblies.When the RRU is installed on a wall, the requirements are as follows:zFor one RRU, the wall has a weight-bearing capacity of 96 kg [211.7 lb].zThe fastening torque of the expansion bolt reaches 30 N•m [265.5 lbf•in.] the expansion bolt works properly, and no damages such as cracks are on the wall. M10x65 boltSpring washer 10Plastic tubeFlat washer 10Expansion tubeDo not hammer the bolt entirely into the wall. Instead, leave 20 mm to 30 mm of the bolt outside the wall.≥650 mm [25.6 in.]126.5 mm[5 in.] 126.5 mm[5 in.]20 mm [0.8 in.]to 30mm [1.2 in.]55 mm [2.2 in.]to 60mm [2.4 in.]
13Arrows are upwards30 N•m[265.5 lbf•in.]M10Installing the RRU on a Wall3. Fit the auxiliary bracket on the expansion bolts downward, and then tighten the bolts by using a combination wrench 17 mm [0.7 in.].4. Install the main bracket.5. Install the RRU.
14Installing the RRU on a Wall6. Install multiple RRUs.≥70 mm [2.8 in.]≥855 mm [33.7 in.]Minimum Clearance:Recommended Clearance :Installing the RRU CablesRRU Cable ConnectionsaStandard AISG female connector of the AISG multi-wire cableStandard AISG male connectorStandard AISG male connector of the AISG extension cable or RCUStandard AISG female connectorPort labeled RET/MON on the RRUWaterproof DB9 connectorAISG multi-wire cable between the RRU and the RCUThe connectors labeled 2A and 2B are connected to port labeled CPRI0 to CPRI5 on the LBBP board of the BBU.DLC connectorCPRI optical cable The connectors labeled 1A and 1B are connected to  the optical module on the port labeled CPRI_W on the RRUDLC connectorAISG extended cable between the RRU and the RCU Standard AISG male connector of the RCUStandard AISG female connectorThe blue OT terminal is connected to socket labeled NEG(-)0 in the RRU cabling cavity. And the black OT terminal is connected to socket labeled RTN(+)0.Two OT terminals(M4)DC RRU power cable(North American standard: 3.3 mm2 European standard: 4 mm2 )External power supplyBare wireFeeder or antennaDIN male connectorPorts labeled ANT_TX/RXA and ANT_TX/RXB on the RRU(Only the ANT_TX/RXA port supports the OOK signal).DIN male connectorRRU RF jumperNearest grounding barOT  terminalGrounding bolt on the RRUOT  terminal (M6)PGND cable(16 mm2)Connector to…Connector TypeCableCable List≥855 mm [33.7 in.]≥655 mm [25.8 in.]≥655 mm [25.8 in.]≥70 mm [2.8 in.]
15Installing the RRU CablesRCUzWhen the length of the AISG multi-wire cable between the RRU and the RCU is not enough, you can choose the optional AISG extended cable between the RRU and the RCU. zIf the coaxial cable is used for the RET antenna when the STMA or Smart Bias-Tee (SBT) is used, the OOK signals are required. Therefore, the port for  the RET antenna needs to use the ANT_TX/RXA port.PGND cableRRU RF jumperDC RRU power cableCPRI optical cableAISG multi-wire cable between the RRU and the RCUAISG extended cable between the RRU and the RCUAntennaBBUSingle RRURRU Cable ConnectionsaExternal power systemMultiple RRUsExternal power systemAntennaAntennaAntennaFor detail information of the cable, see Cable List on Page 14.PGND cableRRU RF jumperDC RRU power cableCPRI optical cableAISG multi-wire cable between the RRU and the RCUAISG extended cable between the RRU and the RCUInstall PGND cableStartInstall RRU RF  jumperInstall feeder (optional)Install DC RRU power cableInstall CPRI optical cableInstall AISG multi-wire cable between the RRU and the RCU (optional)Install AISG extended cable between the RRU and the RCU (optional)End
16Installing the RRU Cablesb c Cabling Cavity of  the RRUOpening the Cover Plate of the RRU Cabling CavityWaterproofing fillerCable troughs for optical cablesCable troughs for power cablesCabling cavityCover plate of the cabling cavityLabel for preparing the power cable cable clipCable troughs for power cablesdCable Connections on the RRUzBefore connecting a power cable, ensure that other end of the power cable not connected to any power supply.zUse the DC RRU power cable clip to press the shielding layer tightly and ensure that the lower part of the shielding layer does not exceed the position shown in the preceding figure.zGround the shielding layer at the other end of the power cable.zDo not remove the dustproof cap from the idle antenna port, and use the waterproof tape to wrap the joint.zFor details on how to add OT terminals to the DC RRU power cable of the RRU, see page 22 " Adding OT Terminals by Using a Wire Stripper."zWhen wrapping the waterproof tape, apply even force to extend the tape until the width of the tape is 1/2 of the original width.zWrap the joint spirally upward, downward, and then upward again. In other words, the joint is wrapped by three layers of the tape. Ensure that the two immediate layers overlap with each other about half the width of the tape. For details, see page 24 “Waterproofing Outdoor Cables.”zInstall the optical module before installing the optical cables. For details, see page 25 “Installing the Optical Module.”After the cables are installed on the RRU, insert the waterproofing fillers into the idle cable troughs.CPRI optical cable RRU RF jumperDC RRU power cableShielding layer of the power cableFirst wrap the joint with the waterproof tape, and then wrap the joint with the PVC insulating tape.M4
17Installing the RRU CableseClosing the Cover Plate of the RRU Cabling CavityzThe screws on the cover plate should be tightened until the fastening torque is 1.4 N·m [12.4 lbf•in.].zTighten the screws on the cover plate of the cabling cavity in the sequence shown in the figure. fRRU+APM30HRRU1DC RRU power cableCPRI optical cableabDC RRU power cablezThe DC RRU power cable is connected to one of the RRU0 to RRU5 terminals of the PDU.zStrip the jacket of the DC RRU power cable for a small part, press the exposed shielding layer in the power cable clip, and then connect the PGND cable on the clip to the nearest grounding bolt on the side of the cabinet.M41.4 N•m[12.4 lbf•in.]Metal Shielding layer (25 mm [1 in.]) PGND cableGrounding the shielding layer of the power cable:
18hInstalling the RRU CablesgRRU+BBU Installed Against the WallDCDU panel facing the side, and the BBU panel facing downward LOAD6LOAD0zThe DC RRU power cable is connected to one group of the LOAD0 to LOAD5 terminals of the DCDU-03B. zWhen the BBU and RRU are installed indoors, the DC RRU power cables need not to be grounded. RRU+19-Inch CabinetzAt the end of the DC RRU power cable connected to the DCDU-03B, you need to make the shielding layer of the power cable into an OT terminal, and then connect the OT terminal to the PGND terminal of the corresponding port on the DCDU-03B. For details about making an OT terminal, see pages 22 and 23. zThe DC RRU power cable is connected to LOAD0 to LOAD5 on the DCDU-03B. DC RRU power cableCPRI optical cableLOAD0DC RRU power cableCPRI optical cableBBU power cablePGND cable
19Installing the RRU CablesiRRU+TMC/TMC11HDC RRU power cableCPRI optical cableabLOAD0zAt the end of the DC RRU power cable connected to the DCDU-03B, you need to make the shielding layer of the power cable into an OT terminal, and then connect the OT terminal to the PGND terminal of the corresponding port on the DCDU-03B. For details about making an OT terminal, see pages 22 and 23. zThe DC RRU power cable is connected to LOAD0 to LOAD5 on the DCDU-03B. Metal Shielding layer (25 mm [1 in.]) PGND cableGrounding the shielding layer of the power cable:DC RRU power cable
20abStartCheck whether the input voltage of the RRU is normal?EndPower on the RRUCheck whether the status of the LEDs on the RRU is normal?Rectify the faultRectify the faultYesNoaNormal input voltage of the RRU:If the BBU is supplied with -48 V DC power, the external input power voltage ranges from -57 V DC to -36 V DC.Normal status of the LEDs on the RRU:RUN LED: ON for 1s and OFF for 1sALM LED: OFFbYesNoRRU Hardware Installation ChecklistPowering on the RRUWhen the RRU is unpacked, it must be powered on within 24 hours. There are no connectors or joints on the power cable or PGND cable.5The connector of the signal cable is intact, and no damaged or broken parts exist on the cable.10Labels are correct, legible, and complete on both ends of each cable.11The power cable, PGND cable, feeder, optical cable and the E1/T1/FE signal cable are bound separately with a spacing of larger than 30 mm [1.2 in.] .9All the power cables and PGND cables are not short-circuited or reversely connected. In addition, no damaged or broken parts exist.8The flat washer and the spring washer are well mounted on all OT terminals.7The terminals at both ends of the power cable or PGND cable are securely soldered or crimped.6Waterproof fillers are installed in the idle cable troughs of the cabling cavity of the RRU, and the cover plate of the cabling cavity is securely installed. In addition, the idle RF ports are covered with waterproof caps and waterproofed.4The cover plate is securely installed on the cabling cavity of the RRU.3The RRU and the installation parts are securely installed.2All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Each terminal on the grounding bar can be connected with only one wiring terminal of the PGND cable.1ItemsNo.
21AB CLifting ropeLower part of the adapting pieceSteering ropeaBinding the RRU and Installation Components1. Bind the RRU by leading the lifting rope along the lower part of the adapting piece and through the handle, bind the main and auxiliary brackets with the lifting rope, and then bind the steering rope with the handle of the RRU, as shown in the following figures.2. Lift the RRU and installation components to the tower.Do not bind the lifting rope only on the handle when lifting the RRU.zWhen lifting the RRU and installation components to the tower, prevent the RRU from colliding with the tower.zLift the RRU to the tower before it is installed on the metal pole, angle steel, or U-steel. zInstaller A climbs onto the tower. Then, installer A fixes the pulley to the support of the tower platform and leads the lifting rope through the pulley. zInstaller C uses a lifting rope to bind the RRU and installation components as shown in the preceding figure and then ties a knot in the steering rope at the handle of the RRU.zInstaller B pulls the lifting rope, and at the same time, installer C pulls the steering rope away from the tower to prevent the RRU and installation components from colliding with the tower.zInstaller A holds the RRU and installation components and untie the ropes.Steering ropeLifting ropePulleyAppendix
22Label for preparing the power cable15mm8mm14mm010203040Adding the OT terminals to the power cable involves adding OT terminals to the RRU power cable and adding OT terminals to the shielding layer of the RRU power cable. bAdding OT Terminals by Using a Wire Stripper (Recommended)Determine lengths of power cables for different operations according to the scales on the inner side of the cover plate of the cabling cavity.Based on the determined length, remove the jacket and shielding layer off the power cable.Add an OT terminal to each wire.Strip a 15 mm jacket off the power cable to reveal the shielding layer of the power cableRemove the jacket from each wire.The OT terminals must be added to the power cable before the RRU is installed on a metal pole.Appendix-48V DC power cable -48V DC power wireGND wireShielding layerOT terminals
23AppendixcAdding OT Terminals to the Shielding Layer of the DC RRU Power CableLead the wires made of the shielding layers through heat-shrinkable tubes.Wrap the PVC insulating tape at the joint where the three wires meet. OT terminal on the shielding layerDo not damage the shielding layer of the power cable when cutting around the jacket.WARNING
24Waterproofing Outdoor CablesdzThe waterproof tape should be wrapped for an extra length of 20 mm [0.8 in.] away from the connectors at both ends. zThe tapes should be wrapped around the connector from the lower part to the upper part. When wrapped for another layer, the tapes may not be cut.zWhen wrapping the waterproof tape, apply even force to extend the tape until the width of the tape is 1/2 of the original width. zWhen wrapping the waterproof tape, ensure that the upper layer of the tape covers at least 50% of the lower layer. zThe insulating tape should be wrapped for an extra length of 20mm [0.8 in.] away from the connectors at both ends.zThe last layer of the waterproof tape should be wrapped from the lower part to the upper part to prevent rainwater from infiltrating into the tape. Waterproof tape Insulating tapeInstalling the Optical ModuleeTightly pressing the tape1. Wrap three layers of waterproof tape.2. Wrap three layers of insulating tape.Tightly pressing the tapeBinding cable ties at both ends of the tapetietieAppendix
25Pin Assignment of the RRU AISG Extension cablefBrown+24VTwisted pairWhite/brownX2.6X1.6RS485 AGreenX2.5X1.5RS485 BTwisted pairWhite/greenX2.3X1.3OrangeDC Return ATwisted pairWhite/orangeX2.7X1.7Blue+12VTwisted pairWhite/blueX2.1X1.1InstructionWire TypeWire ColorPin of the AISG female connectorPin of the AISG male connectorAppendix
26Change HistoryThis describes the changes in the RRU3203 Installation Guide.z01 (2010-04-13)This is the commercial issue.
HUAWEI TECHNOLOGIES CO., LTD.Huawei Industrial Base Bantian LonggangShenzhen 518129People’s Republic of Chinawww.huawei.com

Navigation menu