2 RRU,DBS and BTS Introduction and Hardware Installation

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

Security Level: Internal

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www.huawei.com

2G/3G BTS DBS RRU TMA Installation Introduction

Quality Department


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Master the features of the Equipment

Master the hardware installation method of

RRU, DBS, BTS and TMA

Master the hardware installation method of the

cables of the RRU

Objectives





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« Huawei DBS Hardware Installation »

« Huawei BTS Hardware Installation »

« RRU User Guide »

Reference

HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confidential Page 4

Appearance of the RRU

Note: The mounting brk position of the RRU can be changed





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RRU Main Function The RRU receives RF signals from the antenna system, down-converts the RF

signals to IF signals, and then transmits them to the BBU or the macro NodeB

after amplification, analog-to-digital conversion, digital down-conversion,

matched filtering, and Digital Automatic Gain Control (DAGC).

Support 12dB, 24dB gain TMA

RTWP statistic and report

Interference scan function

Standing wave detect and report (VSWR if a problem sweep remove fly lead and

sweep to antenna)

Support ASIG (Antenna Interface Standards Group) 2.0

Receiver reference sensitivity typical value -125.5dBm

Intermodulation sensitivity -115dBm





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Appearance and Panels of RRU





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LEDs on RRUs

Label Color Status Description

RUN Green ON The module has power input, yet the module is faulty

OFF The module has no power input or is reporting alarms

1s on, 2s off The module is operational

0.5s on, 0.5s off Software is being loaded to the module

ALM Red ON The module is reporting alarms (excluding VSWR-related alarms

OFF The module is operational

TX_ACT Green ON The module is running

OFF No specific meaning





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LEDs on the RRU

Label Color Status Description

VSWR Red ON VSWR-related alarms are reported

OFF No VSWP-related alarm is reported

CPRI_W

Red/green

ON (green) The CPRI link is normal

ON (red) The optical module receives local alarms related to LOS

0.5s ON, 0.5s OFF (red)

The CPRI is out of lock

OFF The optical module is not in position or is powered off

CPRI_E Red/green

ON (green) The CPRI link is normal

ON (red) The optical module receives local alarms related to LOS

0.5s ON, 0.5s OFF (red)

The CPRI is out of lock

OFF The optical module is not in position or is powered off





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RRU Installation

RRU hardware installation consists of:

Installing three RRUs





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RRU Installation

• Installation of RRU1. The RRU replaces the TMA’s

2. Use existing fly leads from Ant to TMA’s

3. Ensure using a torque wrench to connect the fly leads to RR’s

4. Use existing Labels on fly leads

5. Connect the power cable supplied to each RRU

6. Connect the Optical cable supplied to CPRI W port





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RRU Installation





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RRU Installation





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Installing the PGND cable of RRU Connecting the PGND cable (only RRU is installed)

PGND

The green and yellow PGND cable is a single cable

with a cross-sectional area of 16 mm2. Both ends of

the cable are OT terminals to connect to the grounding

bolt on the RRU module. If you prepare the cable by

yourself, it is recommended to use a copper-based

cable with a minimum cross-sectional area of 16 mm2.





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Installing the Power Cable of RRU1: Measure the length of the cable route It is better to measure the length of power cable before cutting, sometimes the survey info is not correct. You can get the cable length info from the cable marker. Use a measuring tape or first use one power cable and route it to the correct position before cutting the power cable. Then repeat the process over for the remaining two sectors.





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Installing the Power Cable of RRU

2: Put color ringsYou must put a color ring on the power cable when you are starting to install the power cable. Each ring for every sector to ensure that the sectors are not swapped. One ring for sector one. Two rings for sector two. Three rings for sector Three. This must be done to avoid sector swap at either end of the connection.





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3: Surge Protection Straps

Make sure that the surge protection straps are installed correctly. Seal the connection correctly according to the connector sealing specification. If the kits are not supplied write it in the Site file for follow up and retrofit. Inform the QA department for monitoring process.





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Step 1: Route the power cable. One end of the cable is two OT terminals, and the other end is bare. The OT terminals need to be made on site. Use the correct crimping tool. Take a photo of the procedure.

RRU only support the -48V DC power cable





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Step 2: Add two OT terminals to one end of the power cable

C. Add an OT terminals to each wire

D. Remove about 15mm jacket from the power cable

A. Determine l the lengths of power cable for different operation according to the scales on the cover plate of the cabling cavity as shown:

B. Based on the determined lengths, remove the jacket and shielding layer from the power cable. Then remove the jacket of a specified length from each wire.





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Step 3: Remove the waterproof fillers from the cable troughs of the cabling cavity. Route the power cable along its dedicated cable trough. Place the waterproofing fillers not used back into the openings. Take a photo..





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Step 4: Open the cover over the terminals for the power cable





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Step 5:Remove the screw on the strap labeled PGND.Step 6: Press the strap on the exposed shielding layer of the power cable, then tighten the screw.Step 7: Connect the OT terminal on the blue -48V DC wire to the terminal labeled NEG(-). Connect the OT terminal on the black or brown GND wire to the terminal labeled RTN(+). Then tight the screw.Step 8: Close the cover. Step 9: Bind the -48V DC power cable to the binding slot in the lower angle piece.





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Step 10: Connect the other end of the power cable grounding.

a. Remove about 50mm jacket from the power

cable.

b. Twist the shielding layer of the power cable into

one strand, and then wrap the strand with heat-

shrinkable tube of Ф5.

C. Add a OT terminal to the other end of the PGND cable.

d. Wrap the power cable with the heat-shrinkable tube of Ф14 at the point where the shielding layer is removed .

f. Connect the PGND cable to the shielding grounding bar of power supply equipment.

g. Add OT terminals to the blue –48 V wire and the black GND wire, and then connect the OT terminals to the wiring terminals on the power supply.





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Step 11. DCDU-03

Connect the RRU power cable to one of

the LOAD0 to LOAD6 (12amp) terminals on the

DCDU-03.






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Installing the Power / Optic Cable of RRU





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Installing the Power / Optic Cable of RRU

1.Opening and Closing the Cover Plate of the RRU Cabling Cavity





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Opening and Closing of the lid





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RF Jumper of the RRU

The RF jumper of the RRU is of two types Antenna jumper: transmits and receives RF

signals. Both ends of the antenna jumper have DIN connectors.

Ensure to seal the connectors according to the TMA and RRU specification.

Waterproofed Joints





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1: Put color ringsYou must put a color ring on the fiber cable when you are starting to install the fiber cable. Each ring for every sector to ensure that the sectors are not swapped.

Installing the Optic Cable of RRU

2: Protect the connectorWe must place protection for fiber cable, because it is easy to damage the fiber connectors. Do not bend the fiber pig tail it will get damaged.





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3: Clamp InstallationClamps has to be installed inside a tower unless specified and all ways on a lattice tower from the RRU to the entry plate.





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4: Fiber / Clamp Installation All ways ensure that the rubber insulation is

installed taking great care. Fasten the clamps as firmly as possible. It must be installed in a straight line.





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5: Fiber entry plate All ways ensure that the cables

are sealed correctly at the entry plate. It needs to be fed through a coupling. When removing the feeders from the gland plate ensure to seal them correctly.

6: Fiber Preparation Ensure that the optic Fiber is

pulled up the tower at the same rate. Do not allow it to kink or twist. The fiber needs to be installed in the clamps in a straight line without any twists.





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After Photos

Photos 1. Take photos of the installation of the RRU’s.

2. Take photos of the Optic Cable in the CPRI W position and power cable installation.

3. Take Photos of the earth cable.

4. Take photos of the sealing of the fly leads.

5. Take photos of the labels.





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DBS Hardware Installation

Cabinet Placement 3G expansion will be

mostly software license expansion, but if a new cabinet has to be installed, the second 3G NodeB cabinet will be stacked up on the first 3G cabinet.





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1:Move the Node B Move the Node B forward

after it has been loosened from the u rail.

2: Move the U Rail Move the u rail to fit the

template provided.





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4: 3G Cabinet Installation

After assembling the cabinet according to the assembly instructions. Place the cabinet in the correct position as specified by the Site Supervisor and site installation standard. Ensure that the cabinet is fastened securely to the C Profile.

3: 3G Cabinet Installation Before installing the cabinet make

sure that the grid are installed correctly and firmly as specified by the site supervisor and as per photo.





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5: CB ConnectionConnect the power cable in the correct manner to the CB. Always double check electrical installations.

6: Cable routing inside DB BoardRouting to be done neatly and according to the electrical specifications. Use the correct tools when working on the DB board.





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7: Cable routing inside trunkingRooting to be done neatly and according to the electrical specifications.

8: Cable routingRouting to be done neatly and according to the electrical specifications. Route it neatly down the cable tray in the correct position.





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9: OT Connection Clean the wire correctly. Place the correct lug 25mm Power Cable. Use the correct crimping tool and crimp the lug and pull for security. No exses copper wire may be seen.

10: Connection safeUse the black heat shrink to secure and cover the open connections.





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Equipment Placement

• Install the equipment according to the placement indicated in the Photo.

• BBU installation of DBS NodeB • DBS rack has 10U space. BBU3900 will

occupy 2U space and DC box will occupy another 1U space.

• 5U space can be used future expansion. indicates the BBU installation position or as specified by the standards.





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Power Cable Connect the OT terminal of the power cable to the LOAD7 or 8 (6amp)

terminal on the DCDU, and then fix the 3W3 connector of the power cable to the PWR port on the BBU


Load 7 or 8





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• Install the CPRI optical cable Connect one end of the optical cable to the CPRI0, CPRI1, or CPRI2 port on

the GTMU panel of the BBU and the other end to the CPRI_W port on the RRU.

Insert the optical module into the CPRI0, CPRI1, or CPRI2 port, and then turn outwards the puller on the optical module.

Insert one end of the CPRI optical cableinto the optical module, and then lead theCPRI optical cable out of the cabinet alongthe right side of the cabinet.

Wrap the fiber tail with the winding pipe.

The TX port on the BBU is connected to the RX port on the RRU; the RX port on the BBU is connected to the TX port on the RRU






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After Photos

Photos1. Take photos of the position of the cabinet.

2. Take photo of the equipment.

3. Take photo of the power connection.

4. Take photo of the RRU power connection.

5. Take photo of the BBU optic cable connection.





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• Install the E1 Connect one end of the E1 cable to the E1/T1 port on the GTMU, and

then lead the other end out of the cabinet along the right side of the cabinet.

Fix the DB26 connector of the E1 cable to the E1/T1 port on the GTMU. Take note that on the 3G installations 2E1 Cables are required at all

times. Make sure that it is supplied.

E1 Installation

E1 Cable





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E1 Installation

1.Strip the jacket off the E1 cable near the grounding point at the lower right corner of the cabinet to expose the shielding layer.2.Thread the E1 cable through the grounding clip. Then, tighten the screw on the grounding clip to make the shielding layer of the E1 cable in full contact with the grounding clip. Finally, connect the grounding cable on the grounding clip to the grounding screw on the cage.





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E1 Installation

E1 Installation Ensure that the connection is

done correctly and to the correct Krone Block according to the connection diagram.





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2G hardware Installation

Cabinet Placement1. 2G expansion

cabinet will be stacked on the first 2G BTS cabinet.

2. In the scenario the two 2G BTS cabinets can’t meet the requirement of huge capacity expansion, the third 2G cabinet will be near the 3G Node B.





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Possible Installation1. 2G installation could be

stacked one on top of the first cabinet.

2. shows the cabinet position. The 150mm-distance shall be remaining for heat loading and easy-operation of future cabinet expansion.





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2: Free B mon’sUn fasten the B mon’s and pull away from

the mounting grid.

1: Free EquipmentUn fasten all ancor screws on the equipment specified to be swapped.





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4: U rail Installation Place the template on the U rails and fasten the U

rails to the floor.

3: Move EquipmentPull the equipment away from the wall and of the U rails.





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5: Base plate InstallationPlace the BTS base plate on the U rail and secure it tightly with the correct bolts supplied are the correct torque.

6: Wire GridFit the grid against the wall as specified with all swaps.





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7: BTS PlacementPlace the BTS 3900 on the base plate.

8: Cable routingRun the power cables to the DB board secure the cables according to the specification for installation of a CB. Do not use the cable indiscriminately and measure the correct length before cutting.





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9: CB ConnectionConnect the power cable in the correct manner. Always double check electrical installations.

10: Power Cable RoutingRouting to be done neatly and according to the electrical specifications. Use the correct tools when working on the DB board.





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11 : OT ConnectionClean the wire correctly. Place the correct lug 25mm Power Cable. Use the correct crimping tool and crimp the lug and pull for security. No exes copperware may be seen.

12: Connection SafeUse the black heat shrink to secure and cover the open connections.





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13: Routing Do not bend the

cables to tight around the sharp edges of the cabinet.

14:DCDU Power Connect the power to the DCDU securely and according to the specification.






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15 b: 3G BBU Continue with the power connections until all is correctly completed. Switch the power on in the correct sequence.

15 a: 2G BBU Continue with the power connections until all is correctly completed. Switch the power on in the correct sequence.






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2G Hardware Installation

16: a Install the EMUA monitoring signal cable If the MON1 port on the BBU is available, fix the RJ45 connector of

the EMUA monitoring signal cable to the MON1 port on the UPEU and the DB9 connector to the corresponding port on the EMUA.

BBU





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2G Hardware Installation

16: b Alarm cables Connect the alarm cable as in the

photo. Connect connector 1,2,3 and 4 for as follow.

1: in Ext Alm 0

2: in Ext Alm 1

3: in Ext Alm 2

4: in Ext Alm 3





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17: Jumper Installation for BTS

On certain sites, the indoor jumper will be between BTS and combiner, while some sites the jumper directly connects BTS with B mon. The actual connection and jumper length will be decided based on survey result.





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Connector Type

(A) Connector of Feeder/Bom/Combiner

DIN-7/16’-Straight-Female

(B) Connector of jumper DIN-7/16’-Straight-Male.

(C) Connector of BTS/NodeB DIN-7/16-Female

(D) Connector of jumper DIN-7/16’-Right Angle-Male.





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18: RF ConnectionEnsure that the tools used are correct or calibrated to spec to ensure that the connectors will be assembled correctly. Do the connection on the BTS side first. Double check that the length is correct before cutting the Rf cable. Place the connectors on the Radio’s and do the feed to the Bmon’s to secure position.

19: RF ConnectionNow do the B mon side of the RF connection. Ensure that the tools used are correct or calibrated to spec to ensure that the connectors will be assembled correctly.






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20:PreperationThe Cut and clean must be done correctly. This will ensure that the connection of the connector is done correct the first time.

21: Connector assemblyPlace the connector firmly on the RF cable. Screw it in clock wise about three turns. Feel connector should be firmly in place.


22: Connector SecureTighten the nut in the back of the connector. Then tighten the locknut. The connector should be firm.





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23: Sweep PreparationNow you power down the equipment and loosen the RF connectors.

24: Equipment MovementRemove the equipment from the container. Do not damage any equipment at any stage.






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25: Before SweepsDo the sweeps of the old equipment and save every sweep.

26: Old RF DisconnectDisconnect the old RF cables at the B mon side after the sweeps are complete.





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27: New RF ConnectionConnect the new RF cables to the B mon.

28: After SweepsAfter the connectors had been torque do the sweeps again to ensure correct installation. Save the Before and after sweeps as this must be handed in with the Site File.





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29: Power on RadiosEnsure that the connector torques are done at the radio side. Then switch the radios on from sector 0 1 2.

30:Alarm CableMake sure that the alarm cable connection on the EMUA has been don correctly.Connect the alarm cables to the existing plugs and correct connection will be verified as soon as the alarms are tested.





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3G TMA hardware Installation

Fly lead Connection None of the existing TMA’s will

be re-used, the connectors of new TMA’s will also be Female and the existing outdoor jumper will be re-used.





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Connector Type

(A) Connector of jumper (antenna side) DIN-7/16’-Straight-Male

(B) Connector of TMA (antenna side) DIN-7/16’-Female

(C) Connector of TMA (Equipment side) DIN-7/16-Female

(D) Connector of jumper(Equipment side) DIN-7/16’-Straight-Male.





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1: Waterproof and Airproof for outdoor connector Installation team should apply the waterproofing and airproof treatment to the

outdoor connectors immediately after the installation.

2:Materials:1. PVC insulation tape;2. Rubber tape (3M 1.6mm*50mm rubber tape or Bishop [Plymouth]

1.65mm*51mm rubber tape)





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3G TMA hardware Installation3: Installation specification1. Clean the feeder and connectors.2. Wrap 2 layers of PVC tape before wrapping the waterproof tape for the convenience of removing

the tapes.3. Uncoil the waterproof-insulating tape. Stick the end of the tape to the feeder at the point 2 to 5 cm

above the connector. Note that the glued side should face the feeder.4. Stretch the tape until it is as 3/4 to 1/2 wide as its original shape. Make sure that the stretched

width is at least 1/2 of the original width, otherwise over-stretching may damage the molecular structure of the tape and lower its reliability.

5. Wrap up the feeder spirally upward while maintaining this stretching strength. Make sure that the overlapping area of adjacent tape layers is 1/2 of the stretched width, as shown below.

6. When wrapping to the point 2 to 5 cm under the connector, reverse the direction to let the wrapping goes back towards starting point. In this way, the feeder is wrapped up with 2 layers of waterproof tape.

7. After wrapping, squeeze the tape stuck to the feeder to make sure no air remains between the tape layers.

8. After wrapping the waterproof-insulating tape, it is necessary to wrap it up with PVC tape to prevent the wearing and aging of the waterproof-insulating tape.

9. The wrapping of PVC tape is similar to that of waterproof-insulating tape. Start wrapping spirally upward with 1/2 width of overlapping between adjacent layers. Reserve the wrapping direction to make 2 layer PVC tape cover. Make sure to maintain the stretching strength.





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Labels

Ensure that the labeling on the B mon’s are fitted and correct.

Ensure that the Labeling on the Radios are fitted and correct.





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Labels

Ensure that the labels leading into the DB Board are done and correct.

Ensure that the labels on the PDCA is done and correct on the DBS side.





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Labels

Ensure the labels are correct and fitted at the Power connection at the cabinet.

Ensure the labels are correct and fitted on the optics.

Thank youwww.huawei.com

Documents

2 RRU,DBS and BTS Introduction and Hardware Installation