40 TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010
If line interface enable/disable control is needed, set the following:
Programmable I/O form, Audio tab
PTT form, External PTT (1) tab
Pin Direction Label Action Active Debounce Signal State Mirrored
IOP_GPIO4 Output DISABLE F1 Key Status Low None Latching None
Rx/PTT Type Tap In Tap In Type Tap In Unmute Tap Out Tap Out Type Tap Out Unmute
Rx None A-Bypass In On PTT R7 D - Split Busy Detect
EPTT1 T5 A-Bypass In On PTT None C-Bypass Out On PTT
Field Setting
Advanced EPTT1 PTT Transmission Type Voice
Audio Source Audio Tap In
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