Specifications

Appendix A Serial/SMT Controllers 91
Female Connector on the Touchscreen Cable
The touchscreen (sensor) cable has a 12-pin (2 x 6) dual row female
connector that plugs into the controller. Table 15 describes the pins
on this connector.
Table 15. Touchscreen Cable Connector (2 x 6) for Serial/SMT Controllers
Pin Wire Color Description
1 ——— Factory test point, no connect
2 ———
———
Brown
Serial/SMT2: Factory test point, no connect
Serial/SMT3: Factory test point, no connect
Serial/SMT3R: Drives the sense layer of the resistive touchscreen
3 ——— Factory test point, no connect
4 ——— +5 VDC
5
6
7
Gray
Green
Orange
Power supply ground
Chassis (earth) ground
+12V input
8 Brown
Brown
Cable shield/drain
wire
Serial/SMT2: Connects to the sensor shield, which is driven with
an AC voltage
Serial/SMT3: Connects to the sensor shield, which must be
grounded
Serial/SMT3R: Must be grounded
9
10
11
12
White
Red
Black
Blue
Upper right (UR) corner
Lower right (LR) corner
Upper left (UL) corner
Lower left (LL) corner