Allgon ALR Compact Repeater User manual

User’s Manual

ALR Compact Repeater

VD203 67/EN - English Future on Demand.

User’s Manual

ALR Compact Repeater

Low Power Band Selective Repeater

–

English

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 i

This document describes installation, commissioning and the design of the Allgon ALR Compact Repeater.

Communication between the Allgon ALR Compact Repeater and an operator is carried out either by using Allgon OMT32

(Operation and Maintenance Terminal), or Allgon OMS (Operation and Maintenance System). OMT32 is described in the

AR Repeaters and OMT32, User’s Manual. OMS is described in the Advanced Repeater OMS, User’s Manual.

Hardware and software mentioned in this document are subjected to continuous development and improvement.

Consequently, there may be minor discrepancies between the information in the document and the performance and

design of the product. Specifications, dimensions and other statements mentioned in this document are subject to change

without notice.

In this document, the ’<>’ brackets are used to indicate function keys contrary to a series of key strokes

’<Del>’ = the Del(ete) key, ’Del’ = D, e, l.

Allgon and its suppliers shall not be liable for any damages related to the software or hardware, or for any other damages whatsoever caused of the use of or

inability to use any Allgon product. This is applicable even if Allgon has been advised of the damage risk. Under any circumstances, Allgon’s entire liability

shall be limited to replace such defective software or hardware which was originally purchased from Allgon.

Teflon is a registered trademark of Du Pont. Other trademarks mentioned in this document are trademarks or registered trademarks of their respective

owners.

This document is produced by El, Tele & Maskin Ingenjörsfirma AB, Huddinge, Sweden.

Printed in Sweden.

Allgon Systems AB, SE-187 80 Täby, Sweden

Phone: +46 8 540 822 00 – Fax: +46 8 540 834 80 – Internet: www.allgon.com

This document or parts of it may not be reproduced without the written permission of Allgon Systems AB.

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 ii

Contents

Abbreviations ............................................................................................................... v

1. Safety ....................................................................................................................... 1-1

Static Electricity .................................................................................................. 1-2

2. Introduction ............................................................................................................. 2-1

Repeater Type .................................................................................................... 2-2

Using Repeaters ................................................................................................. 2-3

Shaded Area ................................................................................................. 2-4

Sports Arena ................................................................................................... 2-5

3. Installation ................................................................................................................ 3-1

Siting the Repeater ............................................................................................ 3-1

Sunshine ......................................................................................................... 3-1

Shelter ............................................................................................................. 3-1

Outdoor Installation and Service Limitations .............................................. 3-1

Dimensions and Weight .................................................................................... 3-2

Mounting ............................................................................................................. 3-3

Connection ........................................................................................................ 3-6

Connection Ports and Station Ground ............................................................ 3-9

Station Ground .............................................................................................. 3-9

P112 PC Port .................................................................................................. 3-10

P113 Parking Device ..................................................................................... 3-10

P118 Repeater to Repeater Link Port .......................................................... 3-10

P119 Alarm Port ............................................................................................. 3-11

P120 Door Switch .......................................................................................... 3-12

P124 Repeater to Repeater Link Port .......................................................... 3-12

P130 RCC Port ............................................................................................... 3-12

Mains Breakdown Relay .................................................................................... 3-13

4. Commissioning ........................................................................................................ 4-1

Starting the Repeater ........................................................................................ 4-2

Indicators ....................................................................................................... 4-3

Repeater Configuration .................................................................................... 4-4

5. Functional Description and Design ....................................................................... 5-1

Repeater Design ................................................................................................ 5-2

The Main Repeater Units .............................................................................. 5-3

Block Diagram .................................................................................................... 5-4

Downlink Signal Path ..................................................................................... 5-4

Uplink Signal Path .......................................................................................... 5-4

Band Selective Compact Repeater Block Diagram ................................. 5-5

RCC ................................................................................................................ 5-6

R2R ................................................................................................................. 5-6

Alarm .............................................................................................................. 5-7

Repeater Setup ............................................................................................. 5-7

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 iii

Board and Unit Descriptions ............................................................................. 5-8

DCC - Directional Coupler for Compact ................................................... 5-8

DPX - Duplex Filter ......................................................................................... 5-8

BSC Band Selective Compact Board ......................................................... 5-9

LNA - Low Noise Amplifier ............................................................................. 5-12

PA - Power Amplifier ...................................................................................... 5-13

Repeater Software and Hardware Compatibility ....................................... 5-14

Cabling ............................................................................................................... 5-15

Compact Repeater With RCC Unit ............................................................. 5-15

Compact Repeater Without RCC Unit ........................................................ 5-16

R2R, Repeater To Repeater Link ....................................................................... 5-17

Installation ...................................................................................................... 5-17

Configuration ................................................................................................. 5-17

6. Optionals .................................................................................................................. 6-1

RCC, Remote Communication Control Unit ................................................... 6-2

RCC For Radio Communication ................................................................. 6-3

RCC For Telephone Line Communication ................................................. 6-3

OMT32, Operation and Maintenance Terminal .............................................. 6-4

OMS, Operation and Maintenance System .................................................... 6-4

Battery Backup ................................................................................................... 6-4

Fiber Optic Unit .................................................................................................. 6-4

7. Repeater Alarms ..................................................................................................... 7-1

Alarm Reference List ......................................................................................... 7-2

Index .............................................................................................................................. I-1

Questionnaire .............................................................................................................. Q-1

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 iv

Figures

Figure 2-1. Allgon ALR Compact Repeater .............................................................. 2-1

Figure 2-2. Repeater coverage of shaded area ..................................................... 2-4

Figure 2-3. Repeater in sports arena ........................................................................ 2-5

Figure 3-1. Repeater dimensions ............................................................................... 3-2

Figure 3-2. Attaching the repeater to a wall ........................................................... 3-3

Figure 3-3. Attaching the bracket to a pole ............................................................ 3-4

Figure 3-4. Attaching the bracket to a mast ........................................................... 3-4

Figure 3-5. Attaching the repeater to the bracket .................................................. 3-5

Figure 3-6. MS and BS antenna connections ........................................................... 3-6

Figure 3-7. Connection ports and station ground ................................................... 3-9

Figure 3-8. Mains breakdown relay connection ...................................................... 3-13

Figure 4-1. Indicators in the cabinet ......................................................................... 4-3

Figure 5-1. The main repeater units .......................................................................... 5-3

Figure 5-2. Block diagram .......................................................................................... 5-5

Figure 5-3. BSC, Band Selective Compact board ................................................... 5-9

Figure 5-4. LNA, Low Noise Amplifiers ....................................................................... 5-12

Figure 5-5. PA, Power Amplifiers ................................................................................. 5-13

Figure 5-6. Cabling with RCC unit ............................................................................. 5-15

Figure 5-7. Cabling without RCC unit ....................................................................... 5-16

Figure 5-8. Repeater to Repeater Link ...................................................................... 5-17

Figure 6-1. The RCC unit ............................................................................................ 6-2

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 v

Abbreviations

Abbreviations used in this manual, in the software, and in the repeater:

AGC Automatic Gain Control

AMPS Advanced Mobile Phone Service

BCCH Broadcast Control Channel (GSM broadcast channel time slot)

BS Base Station, BS antenna = towards the base station

BSC Band Selective Compact repeater board for adjustable bandwidth

CDMA Code Division Multiple Access

CW Continuous Wave

DCC Directional Coupler, Compact

DAMPS Digital Advanced Mobile Phone Service

DCS Digital Communication System (same as PCN)

DL Downlink signal direction (from base station via repeater to mobile station)

DPX Duplex filter

EEPROM Electrical Erasable Programmable Read Only Memory

EGSM Extended Global System for Mobile communication

ETACS Extended Total Access Communication System

ETSI European Telecommunications Standard Institute

GSM Global System for Mobile communication

HW Hardware

LED Light Emitting Diode

MS Mobile Station, MS antenna = towards the mobile station

MSC Mobile Switching Center

NMT Nordic Mobile Telephone system

OMS Operation and Maintenance System

OMS/PC Desktop or notebook with installed OMS software

OMT32 Operation and Maintenance Terminal

OMT32/PC Desktop or notebook with installed OMT32 software

PCN Personal Communication Network (same as DCS)

PCS Personal Communication System

PSM Power Supply Module

PTFE Polytetrafluoro Ethylene (Teflon)

RCC Remote Control unit for Compact repeater

RF Radio Frequency

RSSI Received Signal Strength Indication

RTC Real Time Clock

SW Software

TACS Total Access Communication System

TDMA Time Division Multiple Access

UL Uplink signal direction (from mobile station via repeater to base station)

UPS Uninterruptible Power Supply

ALLGON Systems AB ALR Compact Repeater

VD203 67/EN - User’s Manual Rev. 1A 2000-07 vi

1. Safety

Any personnel involved in installation, operation or service of Allgon

repeaters must understand and obey the following:

•Allgon repeaters are designed to receive and amplify signals from one or

more base stations and retransmit the signals to one or more mobile

stations. Also, the repeaters are designed to receive signals from one or

more mobile stations, amplify and retransmit to the base stations. The

repeaters must be used exclusively for these purposes and nothing else.

•Repeaters supplied from the mains must be connected to grounded

outlets and in conformity with any local regulations.

•The power supply unit contains dangerous voltage that can cause

electric shock. Disconnect the mains prior to any work in the repeater.

Any local regulations are to be followed when servicing repeaters.

Authorized service personnel only are allowed to service repeaters while

the mains is connected.

•The repeater cover must be secured in opened position, e.g. by tying it

up, at outdoor repeater work. Otherwise, the cover can be closed by the

wind and cause your fingers getting pinched or your head being hit.

•When working on a repeater on high ground, e.g. on a mast or pole, be

careful not to drop parts or the entire repeater. Falling parts can cause

serious personal injury.

•Any repeater, including this repeater, will generate radio signals and

thereby give rise to electromagnetic fields that may be hazardous to the

health of any person who is extensively exposed to the signals at the

immediate proximity of the repeater and the repeater antennas.

BERYLLIUM OXIDE

•Repeaters equipped with an optional remote communication control

unit (RCC) have a dummy load in the directional coupler (DCC) that

contains beryllium oxide (BeO). Beryllium oxide is poisonous if present

as dust or smoke which can be inhaled. Do not file, grind, machine, or

treat this part with acid.

HYDROGEN FLUORIDE

•The coaxial cable insulation is made of PTFE, polytetrafluoro ethylene,

that gives off small amounts of hydrogen fluoride when heated.

Hydrogen fluoride is poisonous. Do not use heating tools when

stripping off coaxial cable insulation.

No particular measures are to be taken in case of fire because the

emitted concentration of hydrogen fluoride is very low.

•A lithium battery is permanently mounted on the repeater board. Due

to the risk of explosion, this battery must only be removed from the

board by an Allgon authorized service technician.

ALLGON Systems AB ALR Compact Repeater Safety

VD203 67/EN - User’s Manual Rev. 1A 2000-07 1 - 1

Static Electricity

Static electricity means no risk of personal injury but it can severely

damage essential parts of the repeater, if not handled carefully.

Parts on the printed circuit board as well as other parts in the repeater

are sensitive to electrostatic discharge.

Never touch the printed circuit board or uninsulated conductor

surfaces unless absolutely necessary.

If you must handle the printed circuit board or uninsulated conductor

surfaces, use ESD protective equipment, or first touch the repeater

chassis with your hand and then do not move your feet on the floor.

Never let your clothes touch printed circuit boards or uninsulated

conductor surfaces.

Always store printed circuit boards in ESD-safe bags.

ALLGON Systems AB ALR Compact Repeater Safety

VD203 67/EN - User’s Manual Rev. 1A 2000-07 1 - 2

2. Introduction

Allgon repeaters are used to fill out uncovered areas in cellular mobile

systems, such as base station fringe areas, road tunnels, business and

industrial buildings, etc.

A repeater receives signals from a base station, amplifies and retransmits

the signals to mobile stations. Also it receives, amplifies and retransmits

signals in the opposite direction. Both directions are served

simultaneously.

To be able to receive and transmit signals in both directions, the repeater

is connected to a donor antenna directed towards the base station and to

a service antenna directed towards the area to be covered.

Control of the repeaters is performed using a desktop or notebook loaded

with the Allgon OMT32, Operation and Maintenance Terminal, which can

communicate with the repeaters, either locally or remotely via modem.

Remote operation can be performed either via a traditional telephone line

or via a mobile phone that can be installed inside the repeater.

To be able to control many Allgon AR repeaters in common, there is an

Allgon OMS, Operation and Maintenance System.

The compact repeater is described in this manual. OMT32 is described in

the AR Repeaters and OMT32, User’s Manual. OMS is described in the

Advanced Repeater OMS, User’s Manual.

Figure 2-1. Allgon ALR Compact Repeater

ALLGON Systems AB ALR Compact Repeater Introduction

VD203 67/EN - User’s Manual Rev. 1A 2000-07 2 - 1

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