92813438 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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“Typesetting

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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

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/g

reen

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/g

reen

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 RRU

1. 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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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 RRU

1: 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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2: Put color rings You 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 rings You 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 connector We 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 Installation

Clamps 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 Connection Connect the power cable

in the correct manner to

the CB. Always double

check electrical

installations.

6: Cable routing inside DB Board Routing 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 trunking Rooting to be done neatly and according to the

electrical specifications.

8: Cable routing Routing 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 safe Use 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 cable

into the optical module, and then lead the

CPRI optical cable out of the cabinet along

the 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

Photos

1. 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 Placement

1. 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 Installation 1. 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’s

Un fasten the B mon’s and pull away from

the mounting grid.

1: Free Equipment Un 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 Equipment Pull the equipment away from the wall and of the U

rails.



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5: Base plate Installation Place the BTS base plate on the U rail and secure it

tightly with the correct bolts supplied are the correct

torque.

6: Wire Grid Fit the grid against the wall as specified with all

swaps.



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7: BTS Placement

Place the BTS 3900 on the base plate.

8: Cable routing Run 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 Connection Connect the power cable

in the correct manner.

Always double check

electrical installations.

10: Power Cable Routing Routing 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 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 exes

copperware may be seen.

12: Connection Safe Use 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 Connection Ensure 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 Connection Now 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:Preperation The Cut and clean must be done correctly. This will

ensure that the connection of the connector is done

correct the first time.

21: Connector assembly Place the connector firmly on the RF cable. Screw it

in clock wise about three turns. Feel connector

should be firmly in place.


22: Connector Secure Tighten the nut in the back of

the connector. Then tighten the

locknut. The connector should

be firm.



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23: Sweep Preparation Now you power down the equipment and loosen the

RF connectors.

24: Equipment Movement Remove the equipment from the container. Do not

damage any equipment at any stage.




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25: Before Sweeps Do the sweeps of the old equipment and save every

sweep.

26: Old RF Disconnect Disconnect the old RF cables at the B mon side after

the sweeps are complete.



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27: New RF Connection Connect the new RF cables to the B mon.

28: After Sweeps After 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 Radios Ensure that the connector torques are done at the

radio side. Then switch the radios on from sector 0 1

2.

30:Alarm Cable Make 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 Installation 3: Installation specification 1. 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.



Color: R153 G0 B0

Corporate Font :



partners :

Arial

Slide text :20-22pt

Bullets level 2-5:

18pt

Color: Black

Corporate Font :



partners :

Arial

Top right corner

for field-mark,

customer or partner

logotypes.

----------------

The following nine

groups of colors

are an example of

how our design

colors can be used,

please take note

that you should

only use one

design color group

per slide.

For specific usage


“Typesetting

Standard”.

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.



Color: R153 G0 B0

Corporate Font :



partners :

Arial

Slide text :20-22pt

Bullets level 2-5:

18pt

Color: Black

Corporate Font :



partners :

Arial

Top right corner

for field-mark,

customer or partner

logotypes.

----------------

The following nine

groups of colors

are an example of

how our design

colors can be used,

please take note

that you should

only use one

design color group

per slide.

For specific usage


“Typesetting

Standard”.

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.



Color: R153 G0 B0

Corporate Font :



partners :

Arial

Slide text :20-22pt

Bullets level 2-5:

18pt

Color: Black

Corporate Font :



partners :

Arial

Top right corner

for field-mark,

customer or partner

logotypes.

----------------

The following nine

groups of colors

are an example of

how our design

colors can be used,

please take note

that you should

only use one

design color group

per slide.

For specific usage


“Typesetting

Standard”.

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 you www.huawei.com

92813438 2 rru dbs and bts introduction and hardware installation

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