Wiring and Device Connections
21
TPI-PRO Total Presentation Interface - Pro Edition
TOUCH INPUT (DB9) Port

The RS-232 (DB9) 9-pin serial port provides connectivity to a pointer device (i.e. touch screen) that

requires a serial connection.

The following table lists the RS-232 connector pinouts.

FIG. 14 TOUCH INPUT (DB9) Port

(DB9) RS-232 Connector Pinouts

Pin Signal Function
1N/A Not used
2RXD Receive data
3TXD Transmit data
4DTR Data terminal ready
5GND Signal ground
6DSR Data set ready
7RTS Request to send
8CTS Clear to send
9N/A Not used
9
8
7
6
5
4
3
2
1
9
8
7
6
Female Male
from TPI-PRO from touch device