IEI Integration SRM_121_150 v1.11 - Manual (Page 73)

SRM-121/SRM-150 LCD Monitor
Page 59
5.4.6 Optional RS-232 Touch Panel Connector
Use the rear panel standard RS-232 DB-9 female touch panel connector to connect the
monitor to the system graphics interface.
PIN DESCRIPTION PIN DESCRIPTION
1 DCD1 6 CTS1
2 DSR1 7 DTR1
3 RX1 8 RI1
4 RTS1 9 GND
5 TX1
Table 5-2: Optional RS-232 Touch Panel Connector Pinouts
Figure 5-4: Optional RS-232 Touch Panel Connector