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Nokia Flexi EDGE BTS Dual TRX

Module (EXxA) Description

DN70178382Issue 3-0 en11/06/2008

# Nokia Siemens Networks 1 (21)

471841A.101

Nokia Flexi EDGE Base Station, Rel. EP2,

Product Documentation, v.1

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The information in this document is subject to change without notice and describes only theproduct defined in the introduction of this documentation. This documentation is intended for theuse of Nokia Siemens Networks customers only for the purposes of the agreement under whichthe document is submitted, and no part of it may be used, reproduced, modified or transmitted inany form or means without the prior written permission of Nokia Siemens Networks. Thedocumentation has been prepared to be used by professional and properly trained personnel,and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomescustomer comments as part of the process of continuous development and improvement of thedocumentation.

The information or statements given in this documentation concerning the suitability, capacity, orperformance of the mentioned hardware or software products are given as is and all liabilityarising in connection with such hardware or software products shall be defined conclusively andfinally in a separate agreement between Nokia Siemens Networks and the customer. However,Nokia Siemens Networks has made all reasonable efforts to ensure that the instructionscontained in the document are adequate and free of material errors and omissions. NokiaSiemens Networks will, if deemed necessary by Nokia Siemens Networks, explain issues which

may not be covered by the document.

Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NOEVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THISDOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL,DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUTNOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESSOPPORTUNITY OR DATA, THAT MAY ARISE FROM THE USE OF THIS DOCUMENT OR THEINFORMATION IN IT.

This documentation and the product it describes are considered protected by copyrights andother intellectual property rights according to the applicable laws.

The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark ofNokia Corporation. Siemens is a registered trademark of Siemens AG.

Other product names mentioned in this document may be trademarks of their respective owners,and they are mentioned for identification purposes only.

Copyright Nokia Siemens Networks 2008. All rights reserved.

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Contents

Contents 3

1 Summary of changes 5

2 Dual TRX Module (EXxA) 7

3 Dual TRX Module (EXxA) main blocks 9

4 Dual TRX Module (EXxA) power requirements 11

5 Dual TRX Module (EXxA) interfaces 13

6 Dual TRX Module (EXxA) dimensions and weight 17

7 Dual TRX Module (EXxA) LED indications 19

8 Contents of the Dual TRX Module (EXxA) delivery 21

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1 Summary of changesChanges between issues 3-0 and 2-0

Updated chapters:

. Dual TRX Module (EXxA)updated with information on Intelligent

Downlink Diversity (IDD) TRX. The figure Isometric view of the Dual

TRX Module updated.

. Module dimensions and weightsupdated with information on Dual

TRX weight.

. Contents of the EXxA deliveryupdated with information on

preinstalled screws.

Changes between issues 2-0 and 1-0

New chapters:

. Summary of Changesadded.

Updated chapters:

. Dual TRX Module (EXxA) main blocksadded the Fan Module to the

bulleted list.

.

Dual TRX Module (EXxA) power requirementsTable 2 updated withexplanations of terms maximum, nominal, idle and one PA in use.

. Dual TRX Module (EXxA) interfacesadded two notes to table 3.

. Dual TRX Module (EXxA) LED indicationsTable 5 updated with

information on cycling colours.

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Summary of changes

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2 Dual TRX Module (EXxA)The Dual TRX Module (EXxA) is a two-carrier TRX unit. The module

contains the common (2 carrier) baseband part and two separate RF partsfor two transceivers (transmitter and receiver chains) and space for two

optional Wideband Combiner Modules (Ewxx).

The Dual TRX Module is used as:

. a combined module with the Dual Duplexer Module (ERxA), making

a logical Sector Module

. or a stand-alone TRX module with the Remote Tune Combiner

(ECxA) Module

. or a stand-alone extension TRX module.

The Dual TRX Module and System Module (ESMA) communication is

managed through a single Ethernet interface. Each transceiver within the

Dual TRX Module can be separately activated with a licence key at the

BSC.

The Dual TRX Module contains two transceivers that can be used:

. as a separate TRX in the same sector

. as a separate TRX in different sectors

. or as a Double Power TRX.

. or as an Intelligent Downlink Diversity (IDD) TRX.

There are separate Dual TRX Modules for each frequency band that Nokia

Flexi EDGE BTS supports:

. EXTA GSM800

. EXGA GSM900

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. EXDA GSM1800

. EXPA GSM1900

See the following figure for an isometric view of the Dual TRX Module.

Figure 1. Dual TRX Module

DN70185036

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3 Dual TRX Module (EXxA) main blocksThe Dual TRX Module (EXxA) includes the following functional blocks:

. Baseband

. TRX, O&M, telecom and digital signal processing (DSP)

. Ethernet interface for control, user and baseband hopping data

. Synchronisation

. Digital up/down conversion and filtering

. TX and RX data conversion

. TX Double Power support

. Intelligent Downlink Diversity (IDD)

. 4-way Uplink Diversity support

.

RX 4-Way Interference Reject Combining (IRC) support. Temperature management

. Power supply

. Power distribution of TRX internal supply voltages

. Transmitter

. Direct conversion from TX interface to TX RF

. Digital power control

. TX Double Power and IDD support

.

Receiver. Dual down-conversion from RX RF to RX interface

. Diversity reception

. Digital Automatic Gain Control (AGC)

. Synthesisers

. Local oscillator signals for TX and RX up/down conversions

. Frequency hopping capability on timeslot basis

. Fan Module

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In 2-way diversity case the signal comes from DTRX's other Rx main

connector and with 4-way diversity the signal comes from the diversity Rx

connector.

PSU - power supply unit, BB - baseband, IF - interface, DP - double power,

FHS - frequency hopping system, PA - power amplifier

Figure 2. Dual TRX Module main blocks

Dual TRX Module

Fan Module

BB Module

BB

PSU (All voltages)

Data

Converter

Power,Data, IFsignals,Controlsignals

andClock

Fan Connector

TX2Chain

DivRX

2

M

ainRX

2

RX

FFS

DivRX1

M

ainRX1

RX FHS 1 & 2

28VPSU

28VPSU

TX FHS 1 & 2

Supports DP functionality

BUS

ERxA

PWR(48 V)

DP

TX1Chain

PA

Module

PA

Module

TxA RxA

RxA_Div

RxB

RxB_Div

TxB

TRX Module

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4 Dual TRX Module (EXxA) powerrequirements

Table 1. Dual TRX Module (EXxA) input voltage range

Property Value

Nominal system voltage 48 V DC

Input voltage range 40.5 - 57 V DC

Table 2. Dual TRX Module (EXxA) power consumption

EXTA/EXGA (800/

900)

EXDA (1800) EXPA (1900)

Maximum 325 W 365 W 385 W

Nominal 295 W 335 W 355 W

Idle 39 W 37 W 37 W

One PA in use 180 W 200 W 210 W

Maximum: maximum power consumption, 2 carriers ON all the time at

Power Level 0

Nominal: expected (average) power consumption, 2 carriers ON all the

time at Power Level 0

Idle: no Power Amplifiers ON (i.e. no active timeslots)

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5 Dual TRX Module (EXxA) interfaces

Figure 3. Nokia Flexi EDGE Dual TRX Module (EXxA) front panel connectors

and labels

DN70131596

Bus

ER_A PWR DP

TxA RxA

RxADiv RxB

Div

RxB

Caution,Hot Surface

Electrostaticalsensitive device

Groundingpoint

TxB

LED

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Table 3. Nokia Flexi EDGE Dual TRX Module (EXxA) front panel connectors,

cable types and interfaces

Label name

on module

Description Connector

type

Cable type Interface(s) Signal

direction

(to/from

the

module)

BUS Ethernet (1000 Base-

T/100 Base-TX)

baseband processing

of end user, hopping,

synchronisation, and

O&M data

MDR 26

(female)

. Bus cable, AWG30

Twinax, MDR 26

(male)

. length: 1054/1554

mm (41.5/61.2 in.)

ESMA, ESEA To and

from the

module

ER_A Power and control

interface for the ERxA

MDR 36

(female)

. ERxA cable, MDR 36

(male)

hard-wired with other

end fixed to ER_A

. length: 200 mm (7.9

in.)

ERxA To and

from the

module

PWR -48 VDC input power

with fuse protection

Multi-Beam

XL (female)

. Power cable, 2 x

AWG12, Multi-Beam

XL (male)

. length: 1188/2000

mm (46.8/78.7 in.)

ESMA, ESEA To and

from the

module

DP Synchronous

combining of both

transmitters in the

module to generate

one GSM/EDGE

carrier capacity with

increased output

power

NOTE: Interface to

the EWxA (required

module with the DP

feature)

Molex Microfit

(male)

. DP cable, 4 x

AWG24, Molex

Microfit (female)

. length: 203 mm (8.0

in.)

EWxA To and

from the

module

RxA, RxB

(blue)

Receives a digitally

modulated GSM/

EDGE RF carrier in

accordance with the

appropriate

telecommunications

standard (Rx input)

QMA (female) . RF cable, SemiFlex

50, QMA (male)

. length: 172/275/1300

mm (6.8/10.8/51.2 in.)

ERxA, ECxA To the

module

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Table 3. Nokia Flexi EDGE Dual TRX Module (EXxA) front panel connectors,

cable types and interfaces (cont.)

Label name

on module

Description Connector

type

Cable type Interface(s) Signal

direction

(to/from

the

module)

RxA Div , RxB

Div (blue)

Four-way uplink

receive diversity

(4UD)

NOTE: This connector

is also used in 2UDconfigurations which

require splitting an

EXxA between cell

areas (e.g. cost

optimized

configurations, 1+3).

QMA (female) . RF cable, SemiFlex

50, QMA (male)

. length: 172/275/1300

mm (6.8/10.8/51.2 in.)

ERxA, ECxA To the

module

TxA, TxB

(red)

Transmits a digitally

modulated GSM/

EDGE RF carrier in

accordance with the

appropriate

telecommunications

standard (Tx output).

QMA (female) . RF cable, SemiFlex

50, QMA (male)

. length: 172/275/1300

mm (6.8/10.8/51.2 in.)

ERxA, EWxA,

ECxA

From the

module

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6 Dual TRX Module (EXxA) dimensionsand weight

The dimensions of the Flexi EDGE Dual TRX Module are presented in thetable below.

Table 4. EXxA dimensions and weight

Property Value

Width 1) 447/492 mm

(17.6/19.4 in.)

Height 90 mm

(3.5 in.)

Depth 2) 422/560 mm

(16.6/22.1 in.)

Weight 7.58 kg

(16.7 lbs)

1) Width of the casing without front covers/with front covers

2) Depth of the casing without front covers/with front covers

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7 Dual TRX Module (EXxA) LEDindications

The Dual TRX Module (EXxA) has two tri-colour LEDs on the front panel toindicate the operational status of the module and all fault conditions during

operation.

Table 5. Dual TRX Module LED indications

Colour Explanation

Cycling colours The user has pressed the "Highlight" button on the

BTS Manager.

Red The O&M software of the module is not running, or

7606 alarm (TRX faulty) is active on both carriers.

Red, blinking 7606 alarm (TRX faulty) is active on one carrier, or

7607 alarm (TRX operation degraded) is active on one

or both carriers.

Yellow Both carriers in the TRX module are blocked/locked

from EM/BSC, or

Both carriers in the TRX module are shutdown from

BSC, but TRX module is still providing power and

control for an ERxA, or

Both carriers in the TRX module are shutdown fromBSC, but TRX module is powered following a reset of

ESMA or ESEA module, or

Both carriers in the TRX module have LAPD on

TRXSIG channel disconnected when the carriers state

is supervisory, or

One carrier is not in supervisory state but other carrier

is in supervisory state with LAPD on TRXSIG channel

disconnected.

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Table 5. Dual TRX Module LED indications (cont.)

Colour Explanation

Yellow, blinking TRX_OM SW state is in TRX_Started State, or

TRX_OM SW state is Clock sync, or

One or both carriers are configuring:

. Wait for LAPD establishment

or

. Wait for system information

One or both carriers have LAPD on TRXSIG channel

disconnected when none of the carriers are in state

supervisory.

Green Both carriers are in state supervisory and no 7606 or

7607 alarms are active and LAPD on TRXSIG is

connected to both carriers.

Green, blinking Only one carrier is in state supervisory and no 7606 or

7607 alarm is active and LAPD on TRXSIG is

connected for this carrier, or

Both carriers are in state supervisory but one carrier

has LAPD on TRXSIG channel disconnected.

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8 Contents of the Dual TRX Module (EXxA)delivery

Table 6. Nokia Flexi EDGE Dual TRX Module (EXxA) delivery contents

Description Product code Quantity

EDGE Dual TRX Module (EXxA): 1

. EDGE Dual TRX Module 800 MHz (EXTA) 470214A

. EDGE Dual TRX Module 900 MHz (EXGA) 470215A

. EDGE Dual TRX Module 1800 MHz (EXDA) 470216A

. EDGE Dual TRX Module 1900 MHz (EXPA) 470217A

Dual TRX Module Cable Set: 083309A 1

. Power cable 1188 mm (46.8 in.) . 994940 1

. Bus cable 1054 mm (41.5 in.) . 994938 1

. RF cable 172 mm (6.8 in.) . 994931 4

M5 screws (preinstalled) 4

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Contents of the Dual TRX Module (EXxA) delivery