TRAK MODEL 9100 MODULAR FREQUENCY/TIME SYSTEM
3-4
TM4400013 Rev D
3-2.3 Telecommunications Signal Generator Module
The Model 9111 (TEL) front panel shown in Figure 3-4 contains a FAULT indicator and two 15 pin “DD”
connectors, one for RS-422 telecom clock and the other for telecom framed outputs The FAULT illuminates
when an output fails. The FAULT indication is latched until cleared by “FAULT RESET” switch on the front panel
of the FSU.
Figure 3-4. Model 9111 Telecom Signal Generator Module (TEL)
TEL
FAULT
TRAK
SYSTEMS
FRAMED
RS-422
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