Service Manual

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Base Radio
Chapter 10
Base Radio
This chapter covers the following topics:
• Base Radio – Overview on page 319
• Base Radio – Theory of Operation on page 320
• Base Radio – Indicators and Connectors on page 325
• Replacing the Base Radio on page 327
10.1
Base Radio – Overview
Figure 176: Base Radio
The Base Radio provides reliable digital radio capabilities in a compact software-controlled design.
High channel capacity is provided through voice compression techniques and Time Division
Multiplexing (TDM).
On the Base Radio front panel there are connectors and indicators. The indicators provide a means for
monitoring various status and operating conditions of the Base Radio, and also aid in isolating failures.