User guide

AFL-W15A/17D-GM45 Panel PC
Page 17
Pin Description
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table 2-3: COM1 Pinouts
2.5.2 COM3 Pin-9 Setup
Jumper Label: J5
Jumper Type:
10-pin header
Jumper Settings:
See
5Table 2-4
The pin-9 signal can be selected as 12 V, 5 V or Ring.
Pin Description
1-2 12 V
3-4 RI
5-6 5 V
Table 2-4: COM3 Pin-9 Setup
2.5.3 COM3 RS-232/422/485 Setup
Jumper Label: J3 and J4
Jumper Type:
8-pin and 12-pin headers
Jumper Settings:
See
5Table 2-5 and 5Table 2-6
This serial port can be set to use RS-232, RS-422 or RS-485 communication methods.
Set all the jumpers to the same settings.