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