DFI DS912-OT Manual - Manual (Page 32)

32
4
Jumper Settings
COM1 RS232/RS422/RS485 Select
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
5-6 On: RS485
1 3 5
2 4 6
JP8 (for COM1) is used to confi gure the COM port to RS232, RS422 (Full Duplex)
or RS485.
The pin function of the COM ports will vary according to the jumper’s setting.
JP8
1 3 5 1 3 5
2 4 6 2 4 6
JP8