Mircom TX3 Series Installation Manual page 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
WX-070: Ground
wire to telephone
access controller
WX-070:
Ground wire to
chassis ground
TX3 Touch Screen Installation Manual
SW-207: Button
WX-081: CN1 on PC board White
Red
Black
P5
TS7
MD-1105
SW3 on the LEFT
SW3
P4
TS5
WX-080:
+ −
Red Black
CN2 on PC
WR-21160 and
board
WR-21162: Power
terminals
Figure 135. Factory connections on the MD-1105 power supply
and audio mixer board for TX3-TOUCH-S15-B and
TX3-TOUCH-F15-B
Green
WX-079: CN31 on PC board
P1
TS1
TS2
TS3
TS4
TS8
WX-109: TS2 on telephone
access controller
Red Black
(not polarity sensitive)
Touch Screen Factory Wiring
WX-110:
TS4 on telephone
access controller
−
Black
+
Red
−
WR-12223 and WR-12224:
Orange
+
Yellow
Left Speaker
−
Orange
WR-12223 and WR-12224:
+
Yellow
Right Speaker
+
Red
−
Black
WR-21160 and WR-21162:
Power (CN6)
on PC board
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