80829737 motorola bts training

7/29/2019 80829737 Motorola BTS Training

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Objectives

State the functional areas of the Horizon II macro

cabinet.

Describe the functions and operation of the

Horizon II macro Digital modules.

Describe the cabinet RF Components.

By the end of this chapter the student will be able to :-


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Basic Block Diagram of Cabinet

Three Main Functional areas:

1. Digital Cards

2. Radios (CTU2)

3. RF equipment

RF interface to Antenna

( Transmit - Combining and filtering)

(Receive Amplification and filtering)

CTU2 CTU2 CTU2 CTU2 CTU2 CTU2

E1 Link Digital Cage == Controls the cabinet

Alarms

Power Supplies

Antenna


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Support of 6x double density CTU2

Single or Double carrier per Radio.

Horizon II Site Controller (HIISC) Integrated NIU Integrated FMUX

E1 support Enhanced E1 Redundancy

Increased Capacity/removable flash media

Increased RSL functionality

Expansion of Horizon II macro cabinets to support 24 carriers per BTSsite.

Horizon II Expansion Multiplexer (XMUX)

Site Input/Output (I/O) Panel

Interoperability with current M-Cell and HORIZON macro products

The Horizon II macro BTS hardware supports the following functionality:


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Site

Controller

(HIISC)

CTU2Cooling

Fans

Power

Supply

Units

(PSU)

Circuit

Breaker

Card(CBC)

Alarm

Board

HORIZON II macro Cabinet Front View


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Site I/O

Panel

Tx Blocks

Link

Interface

Board

SURF2

Power

Supply

EAS Alarm,

PIX 0 & 1

HORIZON II macro Cabinet Top View


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Cabinet Power Supply

Maximum 4x PSU per cabinet One for

Redundancy

Depends on the number of Radios fitted.

The Cabinet can support the three types of power

supply

+27V (negative earth)

-48V (positive earth)

Nominal 120/240V AC


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Horizon II macro cabinet powersupply requirements

Nominal

Voltage

Voltage supply

range

Current supply

maximum

+27 V dc

(negative earth)

+19.5 to +30 V

dc

204A (at

nominal

voltage)

-48 v dc

(Positive earth)

-39 to 72 V dc 99A (at nominal

voltage)

120/240 V ac

(50 to 60 Hz)

88 to 270 V 45A (at nominalvoltage)


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-48v PowerSupply Units


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Power Supply Units

All three unit types support the same PSU

Alarms: O/P over/under voltage.

I/P under voltage.

Over temperature. Internal Fan failure.


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Circuit Breaker Card (CBC)

6x CCB forCTU2

2x Push Button HIISC

2x Push Button SURF2

1xTx RF Blocks

1x FAN trays


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StatusLEDs

States LEDs

GREEN (normaloperation) RED

(Fault).

CompactFlash Slot Compact FlashCard slot contains 32Mb

of memory.

TTY

MMI

TTY MMI

connection for 9

pin D type

connector.

Reset

Buttons

Reset Buttons

CPU is a Soft

Reset (ResetControllers

Main

Processors.

Software

remains in

RAM).

FULL is a

Hard reset.Removes

software from

memory.

CAL

Port

CAL PORT

Calibrates the

Sync Block. The

8K Reference is

used in GCLK

calibration.

NIU

Ethernet

Port

Synch/NIU

TTY PORT

The NIUEthernet and

SYNC/NIU TTY

Port are for

factory use only.

H11SC

Front Panel


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HIISC Functional Diagram

NIU Block

Line

Interface

Module

Line

Interface

Unit &

Framers

TSI

(SMURF)

NIU

Control

Processor

Radio(s)

Site

Control

Processor8 8

2

8

24?

2

Internal 2048 kbps

TDM interface with

32 timeslots.

Control Interface

External E1 or T1

interface.

NIU Port 0

& Port 1

Control via NIU

Port 0, TS 0

8

Frequency

Reference

Site Controller Card

Internal E1 or T1

interface.


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Horizon II macro HSCII Block diagram

E1 Inputs

x6

Curr

entx8 Future

Uplink RSL

Insertion

16Kbs only SMuRF

Sync, Mux, uBCU,

Replacement, FPGA

LAPD

Encode/Decode

Layer2 processing

Field Programmable Gate Array

(FPGA)

similarfunction as the ASIC

64Kb switch

incapable of sub-rate switching

BTP function of the BTS

runs site software and

call processing functions

CTU2

dual carrierunit

single/dual carrieroperation

single frequency ban

d

Three on board

XMUX functions

FMUX equivalent

SecondH2SC

configured for

redundancy


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Cabinet Expansion

The Cabinet can be expanded up to 3x

Horizon II macro Cabinets Can be expanded with Horizonmacro and

Mcell6 cabinet combinations.

Expansion Kit 1x XMUX card1x Input/Output (I/O) card

1x 2m Fibre Optic cable


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Cabinet Components Interconnections

Horizon II

Cabinet

H-II Radio

NBSCHIISC

Alarm

CTUII radio(s)

TDM

Site IO

H-II ExpansionCabinet

Site IO

XMUX

XMUX

Horizonmacro

Cabinet

FMUX

FMUX

Alarm


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Holdup Unit (AC Supply only)


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Cabinet Temperature Control

Operating range -5 C to +45 C

Three Internal FAN units speedcontrolled

3x Cabinet Temperature Sensors 1x (70 C) for cabinet alarm

2x (85 C) to shutdown the cabinet, reset at 55 C.


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Horizon II Site Controller (HIISC)

Performs functions of: MCUF, NIU, FMUX

and BPSM in Horizonmacro

cabinet.

Cabinet supports 2x HIISC cards

Master/Slave ( redundancy)

Compact Flash card (32 Mbyte memory)


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XMUX

in slot 0

XMUX

Location


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XMUX Functional Diagram


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Site Expansion Board

Connects up to 3x extra cabinets

Fibre optic connections

GPS connector (not supported)

Input/Output (I/O) card


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GPS

connection

Fibre

connections

IN/OUT

SITE I/O PANEL

CONFIGURATION


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Expansion configurations

Horizon II

macro (6xCTU2)

X

M

U

X

Horizon II

macro (6xCTU2)

E1

Two Horizon II macros expanded.

Horizon II

macro (6xCTU2)

X

M

U

X

Horizon II

macro (6xCTU2)

Horizonmacro

(6 x CTU)

F

M

U

X

E1

Horizon II macro, expanded to a Horizon II macro and a Horizonmacro.


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Expansion configuration (cont)

Horizon II

macro (6xCTU2)

X

M

U

X

Horizonmacro

(6 x CTU)

F

M

U

X

F

M

U

X

F

M

U

X

Horizonmacro

(6 x CTU)

E1

Horizonmacro controlling a Horizon II macro and another Horizonmacro.

M-Cell 6 controlling a Horizon II macro and a Horizonmacro.

Horizon II

macro (6xCTU2)

X

M

U

X

M-Cell 6

(6 x TCU)

F

M

U

X

F

M

U

X

F

M

U

X

Horizonmacro

(6 x CTU)

E1


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Cabinet Alarm Module

Collects All internal Cabinet Alarms

Controls the PIX connection (customerexternal alarms)

Process Antenna VSWR alarms

Note: NOT backwards compatible to the

Horizonmacro cabinet


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Alarm BoardMains

Door 1

LVD

Fan 0

Fan 1 & 2

ALL LEDs are

GREEN when the

equipment is OK

RED when

equipment isfaulty

Only 4x active Displays


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Compact Transceiver Unit

(CTU2)

CTU2


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Compact Transceiver Unit ( CTU2)

Single Density Mode High Power63W (48dbm) 900MHz

50W (47dbm) 1800MHz

Normal Power 20W (43dbm) 900MHz

16W (42dbm) 1800MHz

Double Density ModeNormal Power20W (43dbm) 900MHz

16W (42dbm) 1800MHZ


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CTU2 backwards compatibility

Compact Transceiver Unit 2 (CTU2)

Backwards compatible with Horizonmacro Cabinet

(with minor limitations).

Requires the correct software ( GSR6 HII)

Can NOT support the CCB controller function O/P power reduced when in Double Density

Mode

BBH not supported


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CTU2 Receiver Sensitivity Performance

EGSM900

-110.5 dBm, static channel -107.5 dBm, faded channel

DCS18

00 -111.5 dBm, static channel

-108.5 dBm, faded channel


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Compact TransceiverUnit 2 (CTU2)

TRANSMIT

RF OUT

TEST

INTERFACETTY

INTERFACE

Radio

Status

LED

TxStatus A

LED

Tx

Status B

LED

VCAT

INTERFACE


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CTU2 to SURF2 interconnection

Second SURF2 not supported

(4 branchdiversity)


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*

PA Branch 1

PA Branch 2

PA Temp.

2nd Temp.

Fwd Power Detect A

Fwd Power Detect B

Rev Power Detect

Phase Adjust

Branch B VVA

Branch A VVA

PA Mode Switches

PA Pad Switches

Basic Block Diagram TX (PA only)


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RF Equipment

RF Equipment


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Sectorized Universal ReceiverFront end (SURF2)


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SURF2 Functional diagram

3x Ant ports with 2x Branches each

Expansion


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CTU2

Signal

Tx Block

Rx Filter

Tx Filter

VSWR

Monitor

Alarm

Board

AntennaTo SURF

Tx

The Antenna VSWR monitoringfunction is used to detect faults inantennas or antenna path connections.

VSWR Monitoring


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Cabinet TX Blocks

Transmitter RF Blocks

New RF Blocks:

DUP - Duplexer HCU - Hybrid Combiner Unit

DHU - Dual Hybrid Combiner Unit

Connecting Panels Blanking Plate

Feedthrough plate


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TransmitterBlocks


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Blanking Plate

Used to control the Air flow within the cabinet


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Feedthrough Plate


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Duplexer- DUP

Connects a single CTU2 to

a single Tx/Rx Antenna.

Typical 1db loss.


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DUP Block diagram


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Hybrid Combiner Unit - HCU

HCU

Used to connect 2x

CTU2 via a Hybrid

Typical 3-4db loss


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HCU- Block diagram

Typical 3-4db loss


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Dual Hybrid Combiner Unit - DHU

Typical 6db loss


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Dual Hybrid Combiner Unit - DHU

6dbs typical

loss


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Software and Database Requirements

New Cabinet Type - horizonmacro2 (24)

- horizonmacro2_ext (25)

Equipping the DRI Density is requiredSingle or Double

(called the associated DRI)

Setting CTU2 to High Power(max_tx_bts= -1)


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MMI Command : equip DRI

Enter the 1st and 2nd DRI id: 0 0

Enter the density of this DRI: SINGLE

Enter the cabinet identifier: 0

Enter the type of connection to the BTP: masterEnter the port to which the TCU is connected: 0

Enter the 1st and 2nd RTF id:

Enter the GSM cell ID where the DRI appears: 1 2 3 9 9 4 21

Enter antenna select number for this cell: 1

Does this DRI use tuneable combining: noEnter diversity flag for this DRI: 1

Enter the fm cell type: 4

Equipping a DRI Single Density

New line within

the command


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MMI Command: equip DRI

Enter the 1st and 2nd DRI id: 0 0

Enter the density of this DRI: DOUBLE

Enter the 2nd DRI id of the associated DRI: 1

Enter the cabinet identifier: 0Enter the type of connection to the BTP: master

Enter the port to which the TCU is connected: 0

Enter the 1st and 2nd RTF id:

Enter the GSM cell ID where the DRI appears: 1 2 3 9 9 4 64

Enter antenna select number for this cell: 1Enter diversity flag for this DRI: 1

Enter the fm cell type: 4

Equipping a DRI Double Density

Associated DRI Number


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CTU2 High Power parameter

DRI equipped in SINGLE Density Mode only

Parameter max_tx_bts = -1 (per cell basis)

Parameter tx_power_cap =1 (DCS1800 only)

RF power EGSM900 DCS1800

63W (48dbm) 50W (47dbm)

80829737 motorola bts training

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