User's Manual
Table Of Contents
- Foreword
- General Safety and Installation Standards and Guidelines
- MOTOTRBO SLR 5000 Series Repeater Supplemental Safety and Installation Requirements
- Environmental Information
- Document History
- Contents
- List of Figures
- List of Tables
- List of Procedures
- Related Publications
- Summary of Bands Available
- Commercial Warranty
- SLR 5000 Series Repeater
- SLR 5000 Series Satellite Receiver
- SLR 5000 Series Modem
- SLR 5000 Series Power Amplifier
- SLR 5000 Series Power Supply
- SLR 5000 Series Front Panel
- SLR 5000 Series Back Panel
- SLR 5000 Series Test Equipment And Service Aids
- SLR 5000 Series Performance Check or Testing
- SLR 5000 Series Programming and Tuning
- SLR 5000 Series Maintenance and Disassembly/Reassembly
Chapter 3
SLR 5000 Series Modem
3.1
Description
The Modem Module is described in this section. A general description, identification of inputs and
outputs, and functional theory of operation are provided. The information provided is sufficient to give
service personnel a functional understanding of the module, allowing maintenance and troubleshooting
to the module level.
3.1.1
General Description
The Modem Module consists of a single printed circuit board in a clamshell housing assembly. It
provides the receiver, exciter and station control functionality for the repeater. Additionally the external
connections to the station are connected directly to the modem module.
NOTICE: The modem cooling fan is replaceable and external to the modem itself. See SLR
5000 Series Maintenance and Disassembly/Reassembly on page 97 for replacement details.
3.1.2
Input and Output Connections
The following figure shows the Modem Module input and output external connections.
MN001436A01-AD
SLR 5000 Series Modem
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