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HUAWEI TECHNOLOGIES CO., LTD.

RRU3203 V100R001C01

Installation Guide

Issue: 01
Date: 2010-04-13

Summary of Contents for RRU3203

Page 1: ...HUAWEI TECHNOLOGIES CO LTD RRU3203 V100R001C01 Installation Guide Issue 01 Date 2010 04 13 ...

Page 2: ...e 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 Contents Copyright Huawei Technologies Co Ltd 2010 All rights reserved 2 3 4 6 6 7 11 11 12 14 20 20 21 26 ...

Page 3: ... Power cable crimping pliers Adjustable wrench with the diameter of at least 32 mm 1 3 in Torque screwdriver Measuring tape Level Marking pen with the diameter of no more than 10 mm 0 4 in Combination wrench 21mm 21mm for pole installation 17mm 17mm for wall installation Phillips screwdriver M3 M6 Torque wrench Torque socket Installation Tools ...

Page 4: ...er 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 z It is recommended that only one RRU be installed on a U steel or an angle steel z When installed on a tower one RRU can be installed only in standard mode or reverse mode rather than side mounted ...

Page 5: ...nded Clearance for a Single RRU d Recommended Clearance for Multiple Centralized RRUs e Minimum Clearance for Multiple Centralized RRUs c Minimum Clearance for a Single RRU 200 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 ...

Page 6: ...or Two RRUs Installed in Parallel h i Recommended 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 ...

Page 7: ...ing the Installation Main and auxiliary brackets for the RRU Front Back Prepare the installation Start Install 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 cables Power on the RRU End Checking the RRU Hardware Installation ...

Page 8: ...ket at the two sides and ensure that the spacing is the same z The weight bearing capacity of the RF ports at the bottom of the RRU is low Do not place the RRU at its bottom z During 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...

Page 9: ... 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 7 Installing 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 M6X16 4 8 N m 42 5 lbf in ...

Page 10: ...iary 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 the RRU into the anchor slots on the main fixture 5 Fit the tabs on the attachment plate of the second RRU into the anchor slots on the second main fixture 6 Install the third RRU M6X16 4 8 N m 42 5 lbf in ...

Page 11: ...n the attachment plate of the fourth RRU into the anchor slots on the fourth main fixture Installing the RRU on a Metal Pole Installing Multiple RRUs in Centralized Mode c 9 Four RRUs installed in centralized mode 10 Six RRUs installed in centralized mode ...

Page 12: ...ame as that for installing the RRU on a metal pole z It is recommended that only one RRU be installed on a U steel z The procedure for installing the RRU on an angle steel is the same as that for installing the RRU on a metal pole z It is recommended that only one RRU be installed on an angle steel Installing the RRU on an Angle Steel ...

Page 13: ...e 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 z For one RRU the wall has a weight bearing capacity of 96 kg 211 7 lb z The fastening torque of the expansion bolt reaches 30 N m 265 5 lbf in the expansion bolt works properly an...

Page 14: ... N m 265 5 lbf in M10 Installing the RRU on a Wall 3 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 ...

Page 15: ... connected to the optical module on the port labeled CPRI_W on the RRU DLC connector AISG extended cable between the RRU and the RCU Standard AISG male connector of the RCU Standard AISG female connector The 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 Amer...

Page 16: ...een the RRU and the RCU AISG extended cable between the RRU and the RCU Antenna BBU Single RRU RRU Cable Connections a External power system Multiple RRUs External power system Antenna Antenna Antenna For detail information of the cable see Cable List on Page 14 PGND cable RRU RF jumper DC RRU power cable CPRI optical cable AISG multi wire cable between the RRU and the RCU AISG extended cable betw...

Page 17: ...waterproof tape to wrap the joint z For 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 z When wrapping the waterproof tape apply even force to extend the tape until the width of the tape is 1 2 of the original width z Wrap the joint spirally upward downward and then upward again In other words the joint is wrapped by...

Page 18: ...30H RRU1 DC RRU power cable CPRI optical cable a b DC RRU power cable z The DC RRU power cable is connected to one of the RRU0 to RRU5 terminals of the PDU z Strip 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 M4 1 4 N m 12 4 lbf in ...

Page 19: ...not to be grounded RRU 19 Inch Cabinet z At 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 z The DC RRU power cable is connected to LOAD0 to LOAD5 on the D...

Page 20: ...ing 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 z The DC RRU power cable is connected to LOAD0 to LOAD5 on the DCDU 03B Metal Shielding layer 25 mm 1 in PGND cable Grounding the shielding layer of the power cable DC RRU power cable ...

Page 21: ...e bound separately with a spacing of larger than 30 mm 1 2 in 9 All the power cables and PGND cables are not short circuited or reversely connected In addition no damaged or broken parts exist 8 The flat washer and the spring washer are well mounted on all OT terminals 7 The terminals at both ends of the power cable or PGND cable are securely soldered or crimped 6 Waterproof fillers are installed ...

Page 22: ...t the RRU from colliding with the tower z Lift the RRU to the tower before it is installed on the metal pole angle steel or U steel z Installer 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 z Installer C uses a lifting rope to bind the RRU and installation components as shown in the preceding figure and ...

Page 23: ...or 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 cable Remove the jacket from each wire The OT terminals must be added to the power cable...

Page 24: ...r Cable Lead 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 layer Do not damage the shielding layer of the power cable when cutting around the jacket WARNING ...

Page 25: ...en wrapping the waterproof tape ensure that the upper layer of the tape covers at least 50 of the lower layer z The insulating tape should be wrapped for an extra length of 20 mm 0 8 in away from the connectors at both ends z The 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 ...

Page 26: ...own X2 6 X1 6 RS485 A Green X2 5 X1 5 RS485 B Twisted pair White green X2 3 X1 3 Orange DC Return A Twisted pair White orange X2 7 X1 7 Blue 12V Twisted pair White blue X2 1 X1 1 Instruction Wire Type Wire Color Pin of the AISG female connector Pin of the AISG male connector Appendix ...

Page 27: ...26 Change History This describes the changes in the RRU3203 Installation Guide z01 2010 04 13 This is the commercial issue ...

Page 28: ...HUAWEI TECHNOLOGIES CO LTD Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China www huawei com ...

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