User's Manual

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Table Of Contents

Front Page
Contents
Figures
New Features in OMT32 Version R1A
Abbreviations
Part 1 – Hardware
1. Safety
- Warning Signs
- Static Electricity
2. Introduction
- Repeater Types
- Using Repeaters
  - Shaded Area
  - Sports Arena
3. Installation
- Siting the Repeater
- Dimensions and Weights
- Mounting
- Connection
- Connection Ports and Station Ground
- Mains Breakdown Relay
- Installing 24 Volt or 48 Volt DC Power Supply Unit
4. Commissioning
- Starting the Repeater
  - Indicators
- Measuring the Output Power Level
- Voltage Supply Testpoints
- Repeater Adjustment
5. Functional Description
- Repeater Design
- Block Diagram
- Board and Unit Descriptions
- Cabling
Part 2 – Software
6. OMT32 Installation
- Requirements
- Software Installation
- Program Folder
  - OMT32 Start Icon
  - OMT32 Setup Icon
- Sound at Repeater Alarm Reception
- Automatic OMT32 Recovery
- Screen Saver
- Uninstalling OMT32
- Log File
  - Log File Size
  - Log File Name and Path
- Initial OMT32 Settings
7. Help
- On- Line Help
- Manuals
8. Getting Started
- Preparation
  - Local Connection
  - Remote Connection
- Start Up OMT32
  - OMT32 Main Window
- Connecting Repeater
  - Remote Connection
- Logging On
- Important About the Mouse Buttons
- Main Window After Logging On
9. OMT32 Features
- Connection Parameters
  - Local Connection
  - Remote Connection
- Command Line Interface
  - Command Syntax
  - Command List
- Cellular Calculator
- OMT32 Version
- Exiting OMT32
10. Repeater Operations
- Operational Data in General
  - Modifying Operational Data
  - Active Repeater Part (Combined Repeaters Only)
- Repeater Configuration
- Operational Status
- Testpoints
- Traffic Statistics
- Repeater Boards (CHA/ BSA/ CSA/ PA/ RIA)
- Repeater Software Configuration
- Password and Callback
  - Callback Phone Numbers
- Login Registry
- Repeater Modem Parameters
  - Modem Commands
- Repeater ID
- Repeater Date and Time
- Notepad
- Logging Off
11. Alarms and Events
- Alarm Overview
- Alarm Configuration
- Received Repeater Alarms
  - Disabling/ Enabling Remote Alarm Reception
- Alarm Reset
- Alarm Call Criteria
- Repeater Event Log
- Alarm List
12. Troubleshooting
- Active Alarm
- Modem Debug Tools
  - OMT32 Modem Debug Tool
  - Repeater Modem Debug Tool
- R2R, Communication Problem
- R2R, Advanced Node Configuration
13. Optional
- RCU, Remote Control Unit for GSM 900
- RCU, Remote Control Unit with PCMCIA Modem
- OMS, Operation and Maintenance System
- Traffic Statistics
- Battery Backup
- Fiber Optic Interface
- 7/ 16" Antenna Cable Connectors
- R2R, Repeater To Repeater Link
Appendix A - Menu Reference Guide
- Main Window Button Bar
- Main Menu Reference Guide
Index
Questionnaire

Channel Selective GSM Repeater

Figure 5-5 shows a block diagram of a channel selective repeater with four

bi-directional channels. This diagram is applicable to repeaters for the

GSM, DCS/PCN and GSM 1900 (PCS) systems.

Downlink

The signal from the base station is received via the repeater BS antenna

and is then forwarded through a directional coupler (DC). The signal

passes a duplex filter (DPX), is amplified in a low noise amplifier (LNA),

and enters the channel boards (CHA), which have two parallel channels

each.

P32 P31 P33

TEST -30 dB

CHA1 - DL

CHA2 - DL

LNA

CHA3 - UL

CHA4 - UL

DPX

CMB

LNA

CMB

MS -20 dB P27

DPX

ALI

RIA

P34

PSU

ALI

MSC

RCU

ALLGON

ALL

CHANNEL SELECTIVE

GSM REPEATER

BS antenna

Base station

Telephone

line

Modem

Battery

Power

supply

External

alarm sensors

MS antenna

Figure 5-5. Block diagram, channel selective repeater

ALLGON System AB AR Repeaters & OMT32 Hardware – Functional Description

User’s Manual VD202 90/EN Rev. 1A 1999-07 5 - 10