Trilogy Communications Commander Installation Manual page 40

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 Slave Mic Input
2 +15V Out (for slave mic panel)
3 Clean Mic Out +
4 Ext CUT Input (for slave mic panel)
5 Chassis Ground
6 LS Ground
7 External Input to LS Amp -
8 Matrix Audio Input to Panel / parallel output -
9 Ext Mic Cut output (to slave panel)
10 -15V Out (for Slave mic panel)
11 Clean Mic Out -
12 Mic Ground
13 Loudspeaker Output
14 External Input to LS Amp +
15 Matrix Audio Input to Panel / parallel output +
NB 15V supplies are also used to derive 12V for panel. (Thermally Fused @ 0.7A)
Keypad D9 Fixed Socket (-51 variant only)
Pin Function
1 Column 1
2 Column 3
3 Row 2
4 Row 4
5 GND
6 Column 2
7 Row 1
8 Row 3
9 +12V out
Page 40 of 81
Commander Installation Guide
Notes
Protected with series 44R & 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.
Notes
Switch 1,4,7, *
Switch 3,6,9,#
Switch 4,5,6
Switch *,0,#
For switch LEDs
Switch 2,5,8,0
Switch 1,2,3
Switch 7,8,9
Switch
Issue 9.1
Notes
Line level, un-balanced
NOT protected!
Line level, balanced, pair with 11
Parallel function to front panel Cut
Switch. Ground to activate
Paired with pin 13
Line level, balanced, pair with 14
Line level, balanced, pair with 15
Normally grounded. O/P is open
circuit when front panel cut selected.
NOT protected
Line level, balanced, pair with 3
8 ohm loudspeaker
Line level, balanced, pair with 7
Line level, balanced, pair with 8
View of Keypad (front panel)
1 2
4 5
7 8
0
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Trilogy Communications Limited
3
6
9
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