User Manual

Table Of Contents
general information 523-0809018
1.3. SYSTEM OVERVIEW.
This section gives an overview of the Trafc Surveillanc e System.
1.3.1. S
ystem Block Diagram.
NOTE
Most units report maintenance informatio n in a diagnostic word to the built-in diagnostic system. This section does
not refer to these diagnostic words. Refer to the maintenance section of this manual for diagnostic i nformation.
The system schematics are not intended to replace bench level repair coverage. Component level coverage is
provided in the applicable repair manual.
Refer to Figure 1-2 for a block diagram of a typical Trafc Surveillance System with Radio Interface Unit (RIU). Refer to Figure
1-3 for a block diagram of a typical Trafc Surveillance Sy stem without RIUs. Heavy solid -black borders iden tify all system units.
The slashed border outlines iden tify the interfacing units.
1-4