User's Manual
Table Of Contents
- Front Cover
- Contents
- 1 - Foreword 11
- 2 - Safety and General Information 21
- 3 - Introduction 31
- 4 - System Applications 41
- 5 - Models and Specifications 51
- 6 - Approved Accessories 61
- 7 - Setup and Connections 71
- 8 - Operation 81
- 9 - Troubleshooting 91
- Introduction 91
- Recommended Test Equipment 91
- Troubleshooting Procedures 91
- Module Replacement Procedures 925
- General Replacement Information 925
- Anti-Static Precaution 925
- Care of Gold-Plated Connector Contacts 926
- Power Down Station Before Removing/Inserting Modules 926
- Validating Repairs 926
- Module Replacement 926
- Wireline 928
- ASTRO Modem Card/V.24 Interface Card 929
- Receiver 929
- Exciter 931
- Power Amplifier 932
- Power Supply 933
- Backplane 934
- Preselector Field Tuning Procedure 935
- 10 - Functional Theory of Operation 101
- 11 - Block Diagram, Schematics, Electrical Parts List, and Circuit Board Detail 111
- List of Tables
- List of Figures
- Parts Lists
- Foreword
- Safety and General Information
- Introduction
- System Applications
- Models and Specifications
- Approved Accessories
- Setup and Connections
- Operation
- Troubleshooting
- Introduction
- Recommended Test Equipment
- Troubleshooting Procedures
- Module Replacement Procedures
- Preselector Field Tuning Procedure
- Functional Theory of Operation
- Schematics
- Back Cover
3-2 December 1, 2000 68P81093C75-O
Wireline Circuitry
The station wireline circuitry provides a wide variety of telephone
interfaces, including analog,
ASTRO
,
ASTRO CAI
,
SECURENET
,
Tone Remote Control, and DC Remote Control. Telephone line
connections are easily made to the wireline circuitry via connectors
on the top panel.
Switching Power
Supply
The station features a switching-type power supply, accepting a
wide range of AC inputs (85-265 VAC, 49-61 Hz). The power supply
generates 13.8 VDC for the station modules.
Standard Features
•
Compact single case design
•
Extensive Self-Test Diagnostics and Alarm Reporting
•
FRU maintenance philosophy
•
Easily programmed via Radio Service Software
•
Local or Remote Software downloading to FLASH memory
•
Upgrades performed by module replacement and/or software
upgrade
•
Compatible (with appropriate options) with analog,
SECURENET
,
ASTRO
, and
ASTRO CAI
digital signaling
•
Versatile and reliable switching-type power supply
•
Wide operating temperature range: -30˚ C to + 60˚C (-22˚ F to
+140˚ F)
Optional Hardware
Features
•
Duplexer Option – allows a single antenna to serve for both
transmitter and receiver circuitry for repeater applications.
•
Antenna Relay Option – allows a single antenna to be switched
between transmitter and receiver.
• ASTRO Modem – allows connection (for ASTRO digital
signaling) to a console through a Digital Interface Unit (DIU) in
an ASTRO system, also allows connection to another ASTRO
Modem for digital Cross-Patch.