124 TX3 Touch Screen Installation Manual
Touch Screen Factory Wiring
4.3.1 Factory Wiring for Touch Screen Units with MD-1236
Sections 4.3.1.1 and 4.3.1.2 show the wiring for Touch Screen units with model
MD-1236 of the power supply and audio mixer board.
The diagrams include the Mircom part numbers of the cables (they begin with
WX or WR).
4.3.1.1 Factory Wiring for TX3-TOUCH-S15-B and TX3-TOUCH-F15-B with
MD-1236
Figure 124. Factory connections on MD-1236 for
TX3-TOUCH-S15-B and TX3-TOUCH-F15-B
WX-109: TS2 on telephone
access controller (not
polarity sensitive)
WR-21160 and WR-21162:
Power (CN6)
on PC board
+
−
WX-110:
TS4 (bottom) on telephone
access controller
WR-12223 and WR-12224:
Left Speaker
WR-12223 and WR-12224:
Right Speaker
WX-080:
CN2 on PC board
P3
P1
TS1
TS4A
TS12
P2
TS9
WR-21160 and
WR-21162: Power
TS11
SW3 on the LEFT
TS10A
TS4B
+
WX-070:
Ground wire to
chassis ground
WX-070: Ground
wire to telephone
access controller
+
+−
+
Red Black
Red Black
Red
Black
Yellow
Orange
Yellow
Orange
Red
Black
Red
Black
White
Green
MD-1236
−
−
−
SW1: all switches o