Trilogy Touch Technology manual Gpio Local logic in and out D9 Fixed Socket

		Commander Installation Guide
GPIO (Local logic in and out) - D9 Fixed Socket
Pin	Function	Notes
1	Ground
2	Logic Input 1
3	Logic Input 2
4	Logic 2 Out Common
5	Internal +5V (Out)	Protected with series 44R & 1N4002 diode.
6	Logic Output 1
7	Logic 1 Out Common
8	Logic Output 2
9	Logic Input +VCC	NB Pin 9 may be driven by external voltage (With dropper
		resistor if greater than 5V), or by internal +5V via pin 5.
Audio I/O – D15 Fixed Socket
Pin	Function		Notes
1	Slave Mic Input		Line level, un-balanced
2	+15V Out (for slave mic panel)		NOT protected!
3	Clean Mic Out +		Line level, balanced, pair with 11
4	Ext CUT Input (for slave mic panel)		Parallel function to front panel Cut
5	Chassis Ground		Switch. Ground to activate
6	No connection
7	External Input to LS Amp -		Line level, balanced, pair with 14
8	Matrix Audio Input to Panel / parallel output -		Line level, balanced, pair with 15
9	Ext Mic Cut output (to slave panel)		Normally grounded. O/P is open
			circuit when front panel cut selected.
10	-15V Out (for Slave mic panel)		NOT protected
11	Clean Mic Out -		Line level, balanced, pair with 3
12	Mic Ground
13	Loudspeaker Output		8 ohm loudspeaker
14	External Input to LS Amp +		Line level, balanced, pair with 7
15	Matrix Audio Input to Panel / parallel output +		Line level, balanced, pair with 8

NB 15V supplies are also used to derive 12V for panel. (Thermally Fused @ 0.7A)

Keypad D9 Fixed Socket (-51 variant only)

Pin	Function	Notes
1	Column 1	Switch 1,4,7, *
2	Column 3	Switch 3,6,9,#
3	Row 2	Switch 4,5,6
4	Row 4	Switch *,0,#
5	GND	For switch LEDs
6	Column 2	Switch 2,5,8,0
7	Row 1	Switch 1,2,3
8	Row 3	Switch 7,8,9
9	+12V out	Switch

View of Keypad (front panel)

1	2	3
4	5	6
7	8	9
”	0	#

Page 40 of 81 Issue 9 Trilogy Communications Limited