02.SDR Hardware Installation Guide_BBU+RRU

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SDR Hardware Installation Guide

_BBU+RRU

Prepared By

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2011-9-23 2

Goal of the Course

2011-9-23 2

n

after complete the course, you will

n

Understand hardware architecture of ZXSDR

B8200&R8860

n

Understand ZXSDR B8200&R8860 Device

installation specification

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Contents of the course

ZXSDR B8200&R8860 hardware introduction (4 -26)

ZXSDR B8200&R8860 installation specification (28 – 115)

Cable layout & labeling specification (115 – 134)

B8200+R8860 installation sketch map (135 – 143)

Site Swap Scenario (145 – 160)

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ZXSDR Series Integrated Base Station

n ZXSDR Series Integrated Base Station is a new generation of ZTE SDR-based

software platform for multi-mode base station products It include core unit

B8200, the indoor RF modules RSU40/RSU60, remote radio unit R8860 together constitute .Through the flexible combination of modules, to build indoor BS8800, outdoor S8900, distributed base station D-B8200, outdoor micro base stations, BS8906, to meet the requirements of the whole scene coverage, build GSM / UMTS-dimensional overlay network.

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BTS Overview

BS8200(BBU INDOOR) + R8840/8860(RRU OUTDOOR) = 8700 BTS

8700 BTS 8700 BTS

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Baseband UnitB8200

Site Alarm board Power Module

Control&Clock board

Fabric switch Baseband Processing board(GSM&UMTS)

Fan Module

Module Name Module Function Description

CC Control & Clock board FS Fabric Switch board

UBPG Universal Baseband Processing board for GSM BPC Base band Processing type C for UMTS

SA Site Alarm board

NIS Network Interface of STM-1 PM Power Module

FAM FAN Module

n B8200 Size 88.4mm × 482.6mm × 197mm (H×W×D) The weight of a fully configured cabinet is less than 8.75 kg

n B8200 adopts -48V DC power supply(-57DC~-40V DC) . If AC power should be adopted need to additional AC/DC rectifier module.

Gnd Point

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RRU Overview

RRU CLAMP RRU CLAMP

RRU Supporting Plate RRU Supporting Plate

Bolt with using all type Washer Bolt with using all type Washer

RRU Back side total assembly RRU Back side total assembly RRU Heat Sink RRU Heat Sink RRU Interfaces RRU Interfaces

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RRU Different interfaces

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B8200 Power Cable Introduction

n The especial power cable should be used to connect B8200 to DC cabinet, the

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B8200 SA Cable Introduction

n

B8200 SA cable

as show in nether figure

B1: Grounding Connector B2: E1/T1 transmission Connector B4: Alarm signal connector B3:RS232/RS485 connector

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B8200 RS232 Cable Introduction

n

RS232 cable connector is DB9 type

it should be connected to B2

connector of SA cable. The inverse terminal of RS232 cable should be

connector to DC cabinet. As show in nether figure 3.

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75Ω E1 cable introduction

1

n There are 2 types E1 cable: 75ohm and 120 ohm. Commonly, The 75ohm E1 cable should be used internal, the one terminal type of this cable is DB44 The inverse terminal should be separated to 2 cables(the terminal connector need to processed in site ),there are 8 slender cables to support 4 pairs E1 signal in each E1 cable , as show nether figure

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75Ω E1 cable introduction

2

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R8860

160mm 3 7 0 m m 320mm 1 2 3 4 5 6 7 8 9 1 0

Number marker Interface

1 LC1 BBU RRU /RRU

2 LC2 RRU 3 AISG AISG 4 MON 5 PWR 6 RX 7 TX/RX / 8 RXout 9 RXin 10 GND n R8860 size 370mm × 320mm × 160mm (H×W×D) Weight:16.5KG n R8860 adopts -48V DC

power supply and

110/220 AC power supply

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R8860 cable introduction

Power connector

Alarm cable connector n The especial aviation

connector should be use in R8860 power cable, the connecter should be

connected to RRU power interface , the inverse

terminal are 4 core-cable(2 blue &2 black), the 2 blue to -48 port in OLP and the 2 black to -48 RTN port. As show in figure 1.

n The R8860 alarm cable

should be connected

between RRU and OLP , as show in figure 2.

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R8860 cable introduction

n The RRU AISG interface is 8 core aviation connector, The AISG cable

should be used to connected between RRU and ALPD or NSBT or RCU interface in antenna. As show in nether figure 3. The are 3 kinds AISG cable: 3m, 6m, 10m.

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Contents of the course

ZXSDR B8200&R8860 hardware introduction

ZXSDR B8200&R8860 installation specification

Cable layout & labeling specification

B8200+R8860 installation sketch map

Site Swap Scenario

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B8200 installation method

n

Having equipment room

• Installed in existing 19’inch cabinet

• Installed in facility rack on the wall

• Installed in new 19’inch cabinet

• Installed in especial 19’inch cabinet

n

Don’t having equipment room

• Installed in BC8180 indoor

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BBU Installation Method

n Installation at 19’ Rack Ø New Rack

Ø Existing Rack Ø Special Rack

n Wall Mount Installation.

n Installation at BBU Hub at Wall. n Installation at outdoor W121

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B8200 installation method 1A

Installed in existing 19’inch cabinet

n Installation requirement

•

The empty space is more than 5U in existing cabinet.

n Strongpoint

•

Use existing cabinet, and save installation space.

•

Save the grounding cable

•

It is convenient and easy.

n Attention

•

The power cable and signal cable should have different routing.

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B8200 installation method 1B

Installed in new 19’inch rack

n Installation requirement

•

Before the rack , the operation space is more the 400mm. The space are more the 100mm in the both of rack flank, and convenient for aeration

n Strongpoint

•

Supply new space for other transmission equipments.

•

n Attention

•

Have a right curving degree and nylon ties should be used for optical cable.

•

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B8200 installation method 1C

Installed in especial 19’inch cabinet

n

Installation requirement

• Install support

accessory, board,

bracket to the right

position, as show in

figure 1

n

Strongpoint

• Same to in 19’inch

cabinet

n

Attention

• Credible grounding.

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B8200 installation method 2

Installed in facility rack on the wall

•

Before the rack , the operation space is more the 400mm. The space are more the 100mm in the both of rack flank, and convenient for aeration

n Strongpoint

•

No need space on the floor.

•

PVC groove can be used on the wall

•

n Attention

•

Must insulated between rack and wall

•

Have a right curving degree and nylon ties should be used for optical cable.

•

Cable laying

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B8200 installation method 3: Installed in BC8180 cabinet

•

When there is not enough space in BTS room, the BBU can be installed on the wall in narrow alleyway. The BC8180 cabinet can guard against thief and dustproof. But can’t be waterproof.

n Strongpoint

•

Normal installation

•

Easy to protect the equipment.

n Attention

•

Must install it in waterproof place.

•

The space are enough in the both of rack flank, and convenient for

aeration.

BC8180 Cabinet BC8180 installation

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B8200 installation method 4

Installed in W121 cabinet

•

This installation method can be action for no room

condition.

n Strongpoint

•

It is easy to get the

power,W121 can support AC 220V and AC 380V.

n

Attention

•

Must take out dummy board before B8200 installation, if there are not equipment in cabinet, then the dummy board must be used at right slot.

•

In cabinet, grounding point must be connected to

grounding earth with 16mm2 cable.

W121 M02

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Installed in W121 cabinet –The requirement of cable routing

n The cable routing is extend down in M02 cabinet , as show in figure 1, there are three extending holes in the front of cabinet:

•

hole 1) : for cabinet grounding cable, transmission cable, and optical

•

hole 2) : standby channel

•

hole 3) : for power cable

n there are two extending holes in the back of cabinet:

•

hole 1) : AC 220V power cable

•

hole 2) : When battery should be used, the hole is for power cable and signal cable of temperature sensor. otherwise it is standby channel.

figure1 extending holes in the front of cabinet:

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Installed in W121 cabinet –The requirement of sensor & cable

n The temperature sensor should be put in the back of M02 cabinet, “environment temperature”is showed on the sensor cable, before installation, the protection paper must be took out from sensor, as show in figure 1

n There is red cap on the smoking in M02, it must be took out before installation, in order to normal work. As show in figure 1.

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n The water sensor should be

installed in the bottom of M02 cabinet, and redundant cable must be tied orderly, as show in figure.

n B8200special power cable is

threaded in left hole, and connected to sixth port of W121. as show in figure 3.

Figure 2 . Water sensor in W121

Figure 3 . Special power cable connection

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Installed in W121 cabinet –The requirement of sensor & cable

n The one terminal of

RS232 cable is

connected to LPU, and inverse terminal is

connected to

surveillance interface of M02 through back hole. As show in figure 4.

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W121 M02 cabinet introduction

n DC W121 M02 cabinet just have

power cabinet and don’t have

battery cabinet, as show in figure 1.

n The inbreak, hot convection, LP

module alarm should be sent to

BBU through alarm jumper. Figure 1. M02 power cabinet

Figure 2. DC M02 cabinet Figure3. AC M02 cabinet

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Ponder

Question

n How to install the BBU on the wall when the wall is very weak

method

n The big wood board can be used and fix the board on the wall first, then fix

the BBU rack on the wood board, as show in figure 1.

n Make a support rack and install the BBU on the rack, as show in figure 2.

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R8860 installation method

n

Installed on the pole

• Single RRU installation on the same pole

• Double RRU installation on the same pole

• Three RRU installation on the same pole

n

Installed on the wall

n

Installed on the rack

R8860 installation Attention:

• Must shoes win convection place. And it is better

that put the RRU in shadow

• The R8860 must be far away form the chimney

and rain dropping.

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R8860 installation method 1: installed on the pole

3 2 1

n The requirement of pole: the pole’s diameter must be 60mm 120mm

n R8860 installation position must be under ½ of pole. Because there are not any metallic equipments(except antenna) in the back of antenna, the R8860 and OLP must be put under the antenna on the same pole.

n The 16mm2 grounding cable must be connected to earthing system for R8860 and OLP. The cable length is less than 1m, and must keep within 2m, can’t connect OLP to R8860 and then R8860 to busbar with grounding cable.

Figure1. Single RRU installation on pole

i

Figure2 . Double RRU

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RRU assembling material

•Pic 1 is showing the assembly for RRU installation. 1. RRU Supporting plate.

2. Insulation bar. 3. Nut bolt assembly.

• Pic 2 is showing the set of nut bolts along with all washer.

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• Fixing Bracket assembly for pole mount installation.

• Total assembling of 1. Supporting plate, 2. clamp,

3. insulation pad and 4. nut bolt

RRU assembling material

1

2

3

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RRU installation Procedure

• First unpacked all the material from the box. And check whether the material are in good condition.

• Verify the material with the packing list. • Fix the supporting plate and clamp together with using the nut/bolt and use the washer in proper manner.

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Final assembly of supporting plate and clamp

• The complete assembly of supporting plate from front side

• The complete assembly of supporting plate from back side.

• The proper manner of nut/bolt and washer shown in the figure.

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Ø 1.Perform the following steps to install the anchor ears.

1.M8×40 hexagon head bolt 2. Standard spring washer 3. Big washer 8

4. Insulation flange 5. Supporting panel

6. Insulation board 7. Long anchor clamp 8. M10×120 hexagon head bolt (full

thread) 9. Pole

10. Short anchor clamp 11. Flat washer10

12. Standard spring washer 10

13. I-type common M10 hexagonal nut

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Internal Only? 2.Mount the ZXSDR R8841 C804 on the supporting panels and fasten the

cabinets with M6 safeguard screws as shown in the following:

Ø M6 safeguard screw Ø Supporting panel Ø Retaining board

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R8860 installation method 2: installed on the wall

n

R8860 can be installed on the wall, it is include indoor and out door wall.

Figure 1 . Installed on the outdoor wall

Figure 2. installed on the indoor wall

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R8860 installation method 3: installed on the rack

Figure 1. installed on the indoor rack

n

RRU can be installed on the indoor rack

One rack can support 4

RRU or 3 RRU& 1 B8200

But B8200 must be put in the facility

rack (box) then fix it on the rack. as show in figure 1

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OLP installation procedure

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OLP assembling

Fix the OLP accessories like clamp on then back side of the OLP and tighten the screw

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OLP assembling(Outdoor Lightening Protection)

• Put the long nut bolt and support clamp and make for fixing the OLP on the pole.

• Be sure that all the washer has been used in correct sequence.

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OLP(Outdoor Lightening Protection) assembling

• Fix the OLP box on pole using the clamp and tighten all the nut bolt.

• The minimum distance between RRU and OLP should be 300mm.

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Power cable connection in OLP

• P1 port –For power cable

connection from OLP to DC PWR •P2 Port –For Power cable

connection from RRU to OLP

•ALM Port –For RRU MON cable connection.

•GND Port –For OLP grounding.

ALM

GND

P1

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Cable connection port at RRU.

• Connect 1 end of Power cable

connector to PWR port at RRU end, connect another end power cable to OLP. •For alarm cable connect one end of cable connector to RRU at MON port and another end to OLP at ALM port. •Same procedure we have to do for 2nd

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OFC Cable installation Procedure

OFC cable connection at RRU end

STEP1

• The OFC cable is very delicate cable handle it carefully.

• First take out one end of OFC cable from the role.

• First open the outer cap of OFC connector.

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STEP2

•Take out the softer part of OFC from outer cover by just lightly pulling.

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STEP3

•Remove the dust cover(white cap) from the OFC cable.

•Be aware don’t touch the top point OFC.

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STEP4

•Connect the OFC connector safely to the LC1 connector at RRU end. • Don’t bend the OFC cable at connector end.

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STEP 5

•Fix the outer cap and fasten it properly to the RRU.

• Make sure that OFC cable not getting bend more then its specified radius.

•Weatherproofing above the cap as per weatherproofing process.

Note:- Same procedure we have to follow for all sector RRU as well as for cascading.

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OFC Cable installation Procedure at BBU

OFC cable connection at BBU end

• Connect the OFC cable to BBU at FS board from right to left.

• First sector OFC cable should be connect in the right most optical port.(Marked as RX0 and TX0)

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Cable lugs making

1 2

4 1. Cut the outer coat the cable. 2. Wearing lugs.

3. Crimp the lugs properly.

4. Use Proper crimping tool for crimping the lugs 5. Paste the protected sleeves with the hot gun.

6. Same process follow for All power & grounding cables

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Preparation and Specifications of Antenna Feeder Connector —

7/8 DIN Feeder Connector

2. Straighten the feeder to be installed with the connector and strip off a section of sheath of the feeder with a guarded knife. Keep the notch flat when stripping the feeder.

3. At the place about 28 mm away from the stripped point, cut off the feeder with a Andrew Cutter or other Feeder cutter tools. The section must be flat and on the wave crest of the feeder.

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Preparation and Specifications of Antenna

Feeder Connector — 7/8 DIN Feeder Connector

4. Use the expansion tool to expand the external conductor of the feeder. If the inner or external conductor of the section of the feeder has burrs, use the file to remove the burrs.

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Preparation and Specifications of Antenna

Feeder Connector — 7/8 DIN Feeder Connector

5. Use a brush or tape to remove the debris of the connector. Before

installing the connector, unscrew the connector first.

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Preparation and Specifications of Antenna

Feeder Connector — 7/8 DIN Feeder Connector

6. Manually screw the connector on to the feeder. Use one spanner on the connector cap and remain steady, and use another spanner to fasten the screw.

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Preparation and Specifications of Antenna

Feeder Connector — 7/8 DIN Feeder Connector

7. By now, installation of the feeder connector is completed. Before

connecting the jumper, use a plastic bag or tape to cover the feeder

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Weather proofing on connectors

• All the outdoor connectors like RRU, Antenna etc connectors need to do the weather proofing as per standard.

• The procedure for weather proofing is

1-Three layer of insulation tape.(down to top>top to down)

2- Three layer of weather proof. (down to top>top to down)

3- Three layer of insulation tape. (down to top>top to down)

After completion of process need to put three ties.

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Outdoor Lightning Protection Box(OLP)

n The OLP support DC -48V and AC 110/220V, the two kinds of OLP: DC

OLP and AC OLP.

n R8860 surveillance cable should be connected to OLP with one pairs(white

and brown), other cable can be put it , as show in nether figure 1 & 2.

Figure 1. OLP outside configuration

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Question

n

Can we install the RRU on the back of antenna when pole is very

short

Answer

n

Can’t do it

reason

n

Because antenna is a radiation equipment, the metallic equipment

can’t be put on back of antenna, otherwise the metallic equipment

shall affect antenna eradiation wave,.

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Ponder

Question

n

How to connect the power cable when AC RRU is installed in

building

Answer

n

No need the LP when RRU is installed in building.

n

W hen RRU is near the ACDB, we can connect it to ACDB with

special power cable.

n

If the distance is long between RRU and ACDB, we can add a new

air-break or ACDB near RRU, first connect the air-break & ACDB

to main ACDB with ordinary AC power cable, then connect RRU to

air-break & new ACDB with special power cable.

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The fiber cable between BBU & RRU

n

Fiber cable connector is form factory LC/PC-LC/PC) , at the end of

the RRU, the connector have waterproof function .

n

W hen fiber cable connect to BBU, the cable order must be right, the

cable must be connected to TX0/RX0 on FS board form sector A

others are one by one.

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Jumper and feeder installation

n ½ jumper have 3 kinds 2m? 3m? 5m).

n commonly ,R8860 should be installed near the antenna the feeder choice and

grounding standard is showed in nether frame :

L type grounding

L<=5M ½ jumper No grounding 5M<L<=1

0M 1/2” feeder One grounding 10M<L<=

20M

1/2” feeder

Two grounding 20M<L<=

60M 7/8”feeder Three grounding

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Antenna installation

Antenna azimuth, down tilt angle shall accord with the engineering design requirements.

The feeders shall be connected correctly to the correct sectors.

nThe vertical isolation of 2 G and 3G antennas could not less than 0.2m.

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R8860+RET installation Scenario 1

n

When R8860 is near the

antenna, and the distance is

less than 10m,the installation

plan is

• When RRU and RET are

installed on the top of the

building, the feeder system

include RET antenna,

ALPD,RCU, AISG control

cable, AISG power cable and

feeder.

• If the antenna is installed in

the building or low position,

the ALPD don’t be used,

antenna can be connected to

RRU with AISG cable

directly, as show in figure 2

1 RRU+ +RCU+ALPD

2 RRU+ +RCU

BBUB RRU

RCU

AI SG cabl e

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R8860+RET installation Scenario 2

n

W hen 3 antenna are near each other, as tower site, we can hold this

plan, as show in figure 3.

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R8860+RET installation Scenario 3

n

W hen RRU is installed far

from antenna, and the

distance is more than

10m, the feeder system

include ret antenna? RCU

? NSBT? ASBT? AISG

control cable? AISG

power cable and feeder.

According to the standard,

it is required that NSBT

and ASBT should be both

installed on the master

channel (TX/RX) of the

antenna.

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R8860+RET installation Scenario 4

When 3 antenna

are near each

other, as tower site,

we can hold this

plan, as show in

figure 3.

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R8860+RET installation Scenario 5

n When the distance is more than

60m, The feeder system include RET antenna, RCU? NSBT? ADTMA? AISG control cable? AISG power cable and feeder, as show in figure 3. R8860 RF

interface should be connected to feeder with NSBT, R8860 AISG interface is connected to NSBT with AISG cable. ADTMA AISG interface is connected to RCU with AISG power cable.

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The air-break requirement for B8200&R8860

For Your Information

n

B8200

10A or 16A air-break

n

Just 1 R8860 10A or 16A air-break

n

Two R8860

32A air-break

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Ponder

Question

n

W hen antennas were installed on the mono pole or three leg

tower, How to install the RRU?

Answer

n

Suggest to add new pole(60mm=D=120mm) at foot of tower, or

add especial support rack

3 R8860 and OLP can be installed on

the pole or rack. when the distance is less than 20m, RRU can be

connected to antenna with ½ feeder directly.

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Contents of the course

ZXSDR B8200&R8860 hardware introduction

ZXSDR B8200&R8860 installation specification

Cable layout & labeling specification

B8200+R8860 installation sketch map

Site Swap Scenario.

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Cables bundling requirement

扎带

n Cables must be bundled neatly and close to each other.

n To avoid core breaking, the ties shall be bond at the two sides near the bundle bend rather than at the bend.

n The cables shall not loosen in the ties. The cable ties shall face a consistent direction. The intervals between the ties shall be even and tidy (usually 300mm~1000mm).

n The surplus part of the tie shall be cut off. For the tie inside the cabinet, the surplus part shall be completely cut off from the buckle. For the tie outside the cabinet, the surplus part shall be neatly cut, with 2mm left from the buckle.

White ties shall be used inside the cabinet while black ties used outside the cabinet.

n Power cables, ground cables and signal cables shall be laid separately along the two sides of the cable tray.

n The cable surface shall be clean, without engineer marks. The insulating layers of protective tubes shall have no scratches or signs of damage.

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Waterproof method

n In the feeder system, some

position must be Waterproof disposal, that include the

connector with antenna & jumper cable, connector with jumper & feeder cable, grounding points on feeder, RRU connector. Outdoor waterproof treatment: The connection between 1/2 inch jumper & 7/8 inch feeder shall have reliable waterproof

treatment: they shall be wrapped in the mode of “1 layer of vinyl electrical tape - 3 layers of rubber mastic tape - 3 layer of vinyl

electrical tape”, And finally, both ends of the connectors should be bound with black ties.

n No need waterproof disposal for

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Labeling

ZTE Special Sticker

Listed On Label

n There are two types of label, indoor label & outdoor plastic tag.

The indoor labels should be standard ZTE private stickers, and should be printed on site, as Figure 1, outdoor plastic tag as figure 2;

n Indoor labels be used to mark indoor equipments, include cabinet, Ethernet cables, indoor fiber tails ,and digital trunk cables. plastic tag be used to mark outdoor cables, include outdoor power

cables, outdoor fiber tails, feeder, and outdoor grounding cables and so on.

n The labels should be pasted in the same direction, with the side indicating the cable direction upward or facing the maintenance and operation plane for the convenience of reading.

n About the content of ZTE private label please refer to section

BS8800/BS8900 of <<SDR base station engineering cable labeling>>,if needed according to actual situation to do some modification? addition? deletion.

n More detail specification about label paste please refer to<<GSM engineering cable label specification>>

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Continued….

DG Labeling on BBU

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Distance between DCDP4 & BBU

Min/Max gap should be 4 hole between DCDP4 & BBU for future maintenance. At pic shown 2 gap

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BBU Power cable labeling

BBU DC -48V Power

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RRU & OLP Labeling

PGND

S2-PWR

ALM

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Extra Optical Fiber

Extra Optical Fiber cable have to be

kept inside shelter & should not kept with other cables.

(131)

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BBU cable routing

Power cable direction upward

E1 cable routing direction downward

(132)

Internal Only?

Contents of the course

ZXSDR B8200&R8860 hardware introduction

ZXSDR B8200&R8860 installation specification

Cable layout & labeling specification

B8200+R8860 installation sketch map

(133)

Internal Only?

B8200+R8860 installation sketch(1)

Explain

n

Installation location

3 pole the top of the

building; on the tower

n

R8860 is outdoor and

near antenna(D=5m),

and DC power

support.

n

R8860 is connected

to antenna with ½

jumper or feeder.

n

The OLP is near

R8860

R8860 have

special power cable

and that is less than

2m.

(134)

Internal Only?

B8200+R8860 installation sketch(2)

Explain

n Installation location just for

1 pole the top of the building for 3 antenna.

n R8860 is installed at the foot

of the tower 3 R8860 is at the same position and the distance is far from RRU to antenna(D= ), and DC

support.

n From antenna to RRU,

“1/2jumper+feeder+1/2jump er” is used.

n Just 1 busbar for all of the

equipments outdoor.

n The OLP is near R8860

R8860 have special power cable and that is less than 2m.

(135)

Internal Only?

B8200+R8860 installation sketch(3)

Explain

n

Installation location

3 pole are different position each other on the top of the building for 3 antenna. On the tower

n R8860 is installed near antenna (D=5m), and AC support.

n R8860 is connected to

antenna with ½ jumper or feeder.

n The AC OLP is near R8860

R8860 have special

power cable and that is less than 2m.

n No need the AC ILP, the

cable connect to ACDB directly.

(136)

Internal Only?

B8200+R8860 installation sketch(4)

Explain

n Installation location indoor and outdoor site

n R8860 is installed indoor and near BBU and DCDB.

n From antenna to RRU,

“1/2jumper+feeder+1/2jumpe r” is used.

n R8860 is in door, and no need LP, if multi-RRU are installed at same place, need to add a DCDB.

n Sometimes, ILP can be used to replace DCDB, but the ILP must be connected to busbar with 16mm2 cable.

(137)

Internal Only?

B8200+R8860 installation sketch(5)

Explain

n

Installation location

indoor site n R8860 is installed indoor

and near BBU and ACDB. AC support

indoor distributing signal-cover system with feeder.

n R8860 is in door, and no

need LP, need to add a ACDB.

(138)

Internal Only?

B8200+R8860 installation sketch(6)

Explain n Installation location indoor distributing signal-cover system site n R8860 is installed

indoor and near BBU and DCDB. DC support

indoor distributing

signal-cover system with feeder.

n R8860 is in door, and no need LP, need to add a DCDB.

(139)

Internal Only?

B8200+R8860 installation sketch(6)

Explain

n Ordinary 2-core DC cable have 3 kinds 4mm2? 6mm2 and 10mm2 choice

standard is showed in nether frame:

R8860 amount Length Category

1 R8860 0<L<=120m 4mm2 120<L<=180m 6mm2 180m<L<=310m 10mm2 2 R8860 0<L<=60m 4mm2 60<L<=90m 6mm2 90m<L<=150m 10mm2

(140)

Internal Only?

B8200+R8860 installation sketch(6)

The existing optical

cable should be used for BBU and RRU

a

% 5 2 ' ) 2 ' ) $ % % % 5

n

If the some BBUs are installed at the same place, and RRU is far from

BBU, we can use existing backbone fiber network to connecting BBU and

RRU. As show in Figure 1 and 2.

(141)

Internal Only?

B8200+R8860 installation sketch(6)

The existing optical

cable should be used for BBU and RRU

b

n

we can use existing backbone fiber network to connecting a RRU series

network. As show in Figure 3

(142)

Internal Only?

Contents of the course

ZXSDR B8200&R8860 hardware introduction

ZXSDR B8200&R8860 installation specification

Cable layout & labeling specification

B8200+R8860 installation sketch map

(143)

(144)

(145)

(146)

(147)

(148)

(149)

(150)

(151)

(152)

(153)

(154)

(155)

(156)

(157)

(158)

(159)

Internal Only?

Course Review

review

n

ZXSDR B8200&R8860 hardware

configuration

n

ZXSDR B8200&R8860 E1 cable types

n

B8200&R8860 installation methed

n

cable standard and labeling

n

The installation requirement of

B8200&R8860

(160)