Touch Screen Factory Wiring
TX3 Touch Screen Installation Manual 131
4.3.2 Factory Wiring for Touch Screen Units with MD-1105
Sections 4.3.2.1 and 4.3.2.2 show the wiring for Touch Screen units with model
MD-1105 of the power supply and audio mixer board.
The diagrams include the Mircom part numbers of the cables (they begin with
WX or WR).
4.3.2.1 Factory Wiring for TX3-TOUCH-S15-B and TX3-TOUCH-F15-B with
MD-1105
Figure 135. Factory connections on the MD-1105 power supply
and audio mixer board for TX3-TOUCH-S15-B and
TX3-TOUCH-F15-B
+
P5 P1
TS1
TS2
TS3
TS4
TS8
P4
TS5
TS7
SW3 on the LEFT
SW3
WX-079: CN31 on PC board
WX-081: CN1 on PC board
WR-21160 and
WR-21162: Power
+−
WX-080:
CN2 on PC
board
WX-109: TS2 on telephone
access controller
(not polarity sensitive)
WR-21160 and WR-21162:
Power (CN6)
on PC board
WR-12223 and WR-12224:
Left Speaker
WR-12223 and WR-12224:
Right Speaker
+
+
WX-110:
TS4 on telephone
access controller
+
−
WX-070:
Ground wire to
chassis ground
WX-070: Ground
wire to telephone
access controller
Red Black
Red Black
Red
Black
Red
Black
Yellow
Orange
Yellow
Orange
Black
Red
White
Green
MD-1105
−
−
−