Trilogy Communications Commander Installation Manual page 47

GPIO (Local logic in and out) - D9 Fixed Socket
Pin Function
1 Ground
2 Logic Input 1
3 Logic Input 2
4 Logic 2 Out Common
5 Internal +5V (Out)
6 Logic Output 1
7 Logic 1 Out Common
8 Logic Output 2
9 Logic Input +VCC
Audio I/O – D15 Fixed Socket
Pin Function
1 No connection
2 +12V Out
3 Clean Mic Out +
4 Ext CUT Input
5 Chassis Ground
6 LS Ground
7 External Input to LS Amp -
8 Matrix Audio Input to Panel / parallel output -
9 No connection
10 No connection
11 Clean Mic Out -
12 Internal Ground
13 LS Out
14 External Input to LS Amp +
15 Matrix Audio Input to Panel / parallel output +
Trilogy Communications Limited
Commander Installation Guide
Notes
Protected with 0.5A thermal fuse & 1N4002 diode.
NB Pin 9 may be driven by external voltage (With dropper
resistor if greater than 5V), or by internal +5V via pin 5.
Issue 9.1
Notes
Fused internally 0.5A
Line level, balanced, pair with 11 –
o/p is affected by CUT switch
Parallel function to front panel Cut
Switch. Ground to activate
Rev 4 hardware & later only
Line level, balanced, pair with 14
Line level, balanced, pair with 15
Line level, balanced, pair with 3
Rev 4 hardware & later only
Line level, balanced, pair with 7
Line level, balanced, pair with 8
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