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PCH 5120
12.1” industrial Panel PC
IP67 rated fully enclosure
3.4.3 COM2 RS-232/42 2/485 SELECTION
Jumper Label: JP17 and JP18
Jumper Type:3-pin and 12-pin headers
Jumper Settings: See Table 3-3 and Table 3-4
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.
The pinouts for RS-232, RS-422 and RS-485 communication are shown below.