Care and Feeding of Telex Radio Dispatch Systems
C-6200 Setup
Phase 4 Design, Inc.
Dave Grant / dgrant@hostnw.net
425.402.7308
11/5/2010 Page 4 of 18
Auxiliary Speaker:
The DB9 SPKR/FS connector has Selected, Unselected and Crosspatch audio outputs for driving
external 8-ohm speakers.
Footswitch:
The DB9 SPKR/FS connector provides footswitch and ground connections. This input acts as a
console PTT when it is shorted to ground.
Auxiliary Audio Input:
The DB25 AUX connector provides AUX Audio Input and PTT. Pulling PTT to ground activates the
Audio Input line for transmitting. This input is a high impedance capacitance coupled input.
Record Output
The DB25 AUX connector has Selected, Unselected and Crosspatch audio via 600ohm transformer
output for connection to a voice-logging recorder.
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