Telex KP-812 User Manual page 17

Opto 1-2 In (Opto-isolated control inputs) / OC 1-2 (J11)
Type:
Pin-out
Note:
Opto 3-4 In (Opto-isolated control inputs) / OC 3-4 (J12)
Type:
Pin-out:
Note:
Headset (External headset connector)
Type:
Pin-out
Note:
KP-812 Keypanels User Manual
A contact closure between any switch input and ground will activate that input.
The switch contact inputs are also connected internally through 1K resistors
to internal +3.3 VDC and can source 3 mA for use with an external transistor
switch circuit.
A contact closure between any switch input and ground will activate that input.
The switch contact inputs are also connected internally through 1K resistors
to internal +3.3 VDC and can source 3 mA for use with an external transistor
switch circuit.
Mic input -50 dBu nominal. Headset out 0.325 watts into 8 ohms.
9-pin male D-Sub
Pin 1 3.3 VDC
Pin 2 Emitter OC 2
Pin 3 Emitter OC 1
Pin 4 Ground
Pin 5 Ground
Pin 6 Collector OC 1
Pin 7 Collector OC 2
Pin 8 Opto-Out 2
Pin 9 Opto-Out 1
9-pin male D-Sub
Pin 1 3.3 VDC
Pin 2 Emitter OC 4
Pin 3 Emitter OC 3
Pin 4 Ground
Pin 5 Ground
Pin 6 Collector OC 3
Pin 7 Collector OC 4
Pin 8 Opto-Out 4
Pin 9 Opto-Out 3
9-pin male D-Sub
Pin 1 Ground
Pin 2 External headset PTT
Pin 3 External headset PTT enable
Pin 4 External headset enable
Pin 5 Balanced dynamic mic input +
Pin 6 Ground
Pin 7 Left Speaker
Pin 8 Right Speaker
Pin 9 Balanced dynamic mic input -
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