Huawei RRU3908 V1 Скачать руководство пользователя страница 20 | Manualshive

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When a dual-polarized antenna is shared by two RRUs in the same sector, the two RRUs are connected
through an RF cable between RFUs. The connections of three RRUs in the same sector are not supported.

j

Cable Connections of a Single RRU

k

Cable Connections of Multiple RRUs

Installing the DC RRU

This figure shows only the CPRI optical cable
connections. For details on the connections
of other cables, see the cable connections
for a single RRU.

External alarm
device

External power
supply

RCU

DC RRU alarm cable

CPRI optical cable

DC RRU power cable

RF cable between RFUs

AISG multi-wire cable between
the RRU and the RCU

RRU RF jumper

Feeder

AISG extended cable between
the RRU and the RCU

PGND cable

Antenna

Install the PGND cable

Install the RF jumper

(RF cable between RFUs is

optional)

Install the DC RRU power cable

Install the CPRI optical cable

Install the DC RRU alarm

cable(optional)

Install the AISG multi-wire cable

between the RRU and the RCU

(optional)

Install the AISG multi-wire cable

between the RRU and the RCU

(optional)

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Содержание RRU3908 V1

Страница 1: ...HUAWEI TECHNOLOGIES Co Ltd RRU3908 V1 V100R003 Installation Guide Issue 02 Date 2010 07 20 ...

Страница 2: ...lling 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...

Страница 3: ...un 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 ...

Страница 4: ...eter of 60 mm to 76 mm and the RRUs must be installed on the back z Only one RRU can be installed on a U steel or an angle steel at the back z When 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 z A single DC RRU can be bound and lif...

Страница 5: ... 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 400 mm 100 mm 600 mm 4...

Страница 6: ... 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 300 mm 200 mm b Dimensions and Installation Clearance ...

Страница 7: ...c Installation Procedure d Preparing 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 ...

Страница 8: ...et 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 In this way the main and au...

Страница 9: ...FP200 male connector the CPRI_E port on the upper level RRU SFP200 male connector SFP high speed cable for cascading Standard AISG male connector of the RCU Standard AISG female connector Standard AISG female connector of the AISG multi wire cable Standard AISG male connector AISG extended cable between the RRU and the RCU Standard AISG male connector of the AISG extension cable or RCU Standard AI...

Страница 10: ...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 M4 Waterproofing filler Cable trough for the power cable Cable trough for the optical cable Cable trough for the power cable ...

Страница 11: ...e RRU from the narrower cable trough in the middle of the cabling cavity If the cable trough is used by the CPRI optical cable the alarm cable is led from the wider cable trough near the middle one In this case the alarm cable must be wrapped with 10 to 17 layers of waterproof tape so that the diameter of the cable reaches 10 mm to 12 mm z To avoid sharp bending the optical cable must be pressed b...

Страница 12: ... downwards LOAD0 Shielding layer of DC RRU power cable z When connecting the DC RRU power cable to the DCDU 03B you must add an OT terminal to the shielding layer Then fix the OT terminal to the corresponding PGND terminal of the DCDU 03B For details on how to add an OT terminal see page 37 z The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU 03B ...

Страница 13: ...on Scenarios z When connecting the DC RRU power cable to the DCDU 03B you must add an OT terminal to the shielding layer Then fix the OT terminal to the corresponding PGND terminal of the DCDU 03B For details on how to add an OT terminal see page 37 z The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU 03B ...

Страница 14: ...8 V DC input DCDU 03C installed in the OMB cabinet The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU 03B Metal Shielding layer 25 mm PGND cable Grounding the shielding layer of the power cable Metal Shielding layer 25 mm PGND cable Grounding the shielding layer of the power cable DC RRU power cable CPRI optical cable DC RRU power cable CPRI optical cable ...

Страница 15: ...einstall the attachment plate and cover plate on the second RRU by interchanging their positions 1 Install an RRU For details see page 6 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 5N m M6X16 Installing the DC RRU ...

Страница 16: ...ocedure for installing the RRU on a U steel is the same as that on a metal pole z Only one RRU can be installed on a U steel z The procedure for installing the RRU on an angle steel is the same as that on a metal pole z Only one RRU can be installed on an angle steel U steel Plan view Plan view Angle steel ...

Страница 17: ...on a wall the requirements are as follows z For one RRU the wall has a weight bearing capacity of 92 kg z The fastening torque of the expansion bolt reaches 30 N m the expansion bolt works properly and no damages such as cracks are on the wall 1 Place the auxiliary fixture on the wall at the installation position and then mark the anchor points by using a marking pen z It is recommended that the a...

Страница 18: ...n a Wall Installing the DC RRU Arrows are upwards 30N m M10 3 Fit the auxiliary bracket on the expansion bolts downward and then tighten the bolts by using a combination wrench 17 mm 4 Install the main bracket 5 Install the RRU ...

Страница 19: ...12 6 Install multiple RRUs 70 mm 70 mm 650 mm Minimum Clearance Recommended Clearance 760 mm 760 mm i Installing the RRU on a Wall Installing the DC RRU 730 mm 430 mm 650 mm 530 mm 230 mm 535 mm 535 mm ...

Страница 20: ...connections for a single RRU External alarm device External power supply RCU DC RRU alarm cable CPRI optical cable DC RRU power cable RF cable between RFUs AISG multi wire cable between the RRU and the RCU RRU RF jumper Feeder AISG extended cable between the RRU and the RCU PGND cable Antenna Install the PGND cable Install the RF jumper RF cable between RFUs is optional Install the DC RRU power ca...

Страница 21: ...the RRU z European standard The OT terminal on the blue wire is connected to the NEG port on the cabling cavity of the RRU The OT terminal on the brown wire is connected to the RTN port on the cabling cavity of the RRU Two OT terminals M4 DC RRU power cable North American standard 2AWG European standard 4 mm External power supply Bare wire Feeder or antenna DIN male connector Ports labeled ANT A a...

Страница 22: ...able z When connecting the DC RRU power cable to the DCDU 03B you must add an OT terminal to the shielding layer Then fix the OT terminal to the corresponding PGND terminal of the DCDU 03B For details on how to add an OT terminal see page 37 z The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU 03B z Three power cables can be led through each ground clip ...

Страница 23: ... installed in other modes the procedure is the same as that of the DC RRU For details see page 6 380 mm 250 mm 485 mm On a metal pole On a wall On an angle steel On a U steel The recommended minimal clearance for the AC RRU clearance for Two Combined RRUs is the same as that for the DC RRU For details see page 4 and page 5 ...

Страница 24: ...rge protection box Recommended clearance for the surge protection box Installation of the surge protection box Installing the AC RRU Hoop iron 140 mm 240 mm 305 mm 75 mm 100 mm 500 mm 500 mm 500 mm 100 mm 50 mm 300 mm 300 mm 300 mm 50 mm Minimal clearance for the surge protection box ...

Страница 25: ...ole and then tighten the screw on the loop iron Installing the surge protection box on the wall Installing the AC RRU Installing the Surge Protection Box for Outdoor Scenarios c If the pole has a small diameter there is a long extra part of the hoop It is recommended that the extra part be cut z when installing the surge protection box you need to dispose of the plastic tube on the expansion bolt ...

Страница 26: ...ofing capability 3 Connect the power cable between the surge protection box and the RRU 5 Connect the PGND cable z The cable led through the PG connector labeled OUT is the power cable between the RRU and the surge protection box and the cable led through the PG connector labeled IN is the external AC power cable z Install the corrugated pipes for the AC power cables before installing the AC RRU p...

Страница 27: ... installed before delivery Sequence of Installing the Cables PGND cable RRU RF jumper AC RRU power cable CPRI optical cable AISG multi wire cable between the RRU and the RCU optional AISG extended cable between the RRU and the RCU optional Antenna AC RRU monitoring signal cable CPRI optical cable DC RRU power cable RF cable between RRUs AISG multi wire cable between the RRU and the RCU RRU RF jump...

Страница 28: ...the fiber tails labeled 1A and 1B to the CPRI_W port on the RRU DLC connector CPRI optical cable Connect the fiber tails labeled 2A and 2B to one of the CPRI0 to CPRI5 ports on the WBBP or GTMU DLC connector Port labeled RET on the RRU Waterproof DB9 connector AISG multi wire cable between the RRU and the RCU Standard AISG male connector of the AISG extension cable or RCU Standard AISG female conn...

Страница 29: ...led RX_IN OUT on the RRU 2W2 connector RF cable between RRUs Port labeled RX_IN OUT on the RRU 2W2 connector Connected to Connector Type Cable List of Cables Surge protection box Configured g Connect the fiber tails labeled 2A and 2B to one of the CPRI0 to CPRI5 ports on the GTMU DLC connector Connect the fiber tails labeled 1A and 1B to the CPRI_W port on the RRU DLC connector CPRI optical cable ...

Страница 30: ...multi wire cable Standard AISG male connector AISG extended cable between the RRU and the RCU Standard AISG male connector of the RCU Standard AISG female connector The Lin Nin and PE terminals on the surge protection box OT terminal External AC input power cable 4 mm External power supply To be made depending on field requirements Port labeled RX_IN OUT on the lower level RRU 2W2 connector Port l...

Страница 31: ...C RRU are the same as those for opening and closing the cover for the cabling cavity of the DC RRU Installing the AC RRU Cable Connections of RRU CPRI optical cable AC RRU monitoring signal cable DC RRU power cable AC RRU power cable Equipotential cable RRU RF jumper PGND cable Wrap the RF jumper for the RRU with the waterproof tape and then wrap it with the PVC insulating tape ...

Страница 32: ...r cable and 100m for the 220 V AC single phase power cable z for Outdoor Scenarios z for Indoor Scenarios External power supply system External power supply system h Installing the RRU Cables CPRI optical cable Power cable between RRU and the surge protection box External AC input power cable Equipotential cable PGND cable ...

Страница 33: ...e cabling cavity of the surge protection are tightened according to the required fastening torque 4 The PG connectors are tightened and the waterproof rings are secure 9 The installation and maintenance of the surge protection box is not performed in rainy or damp weather 8 The power supply to the surge protection box is cut off before installation and maintenance 7 The cables in the surge protect...

Страница 34: ...ope and then bind the steering rope with the handle of the RRU as shown in the following figures Lifting rope Lower part of the adapting piece Steering rope Do not bind the lifting rope only on the handle when lifting the RRU z When lifting the RRU and installation components to the tower prevent the RRU from colliding with the tower z The cross sectional area of the lifting rope and steering rope...

Страница 35: ...pendix z Cut off a 200 mm long corrugated pipe with the diameter of 25 mm z Lead the fiber tails labeled 1A and 1B of the optical cable into the corrugated pipe by 160 mm z Wrap up the corrugated pipe and optical cable with the color tape z For the tower made of steel pipes tie the black jacket to the corrugated pipe at the position 150 mm away from the color tape and then lift the optical cable u...

Страница 36: ...le 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 cable Remove the jacket from each wire Label for p...

Страница 37: ...en cutting around the jacket WARNING 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 Adding OT Terminals to the Power Cable on the DCDU side ...

Страница 38: ...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 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 tape In...

Страница 39: ... connector DB15 connector Waterproof tapes z After the corrugated pipe is installed wrap both ends of the power cable with waterproof tapes by referring to the following figure z Wrap the joint spirally upward downward and then upward again That is the joint is wrapped by three layers of the tape Ensure that two adjacent layers overlap with each other about half the width of the tape Power system ...

Страница 40: ...stallation Guide z02 2010 07 20 This is the first commercial release Compared with 2010 05 04 the figure of the minimum clearance for RRU are optimized and the minimum clearance for the RRU installed on a tower requirements is added z01 2010 05 04 This is the draft release ...

Страница 41: ...HUAWEI TECHNOLOGIES CO LTD Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China www huawei com ...

Страница 42: ...small part press the exposed shielding layer on the strap and then connect the PGND cable on the strap to the nearest grounding bolt on the side in the APM30 APM30H z Three power cables can be led through each ground clip DC RRU power cable CPRI optical cable o RRU Cable Installation Scenarios Metal Shielding layer 25 mm PGND cable Grounding the shielding layer of the power cable ...

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