Com 3 Rs232/Rs422/Rs485 Select - DFI-ITOX NP100-N16C User Manual

2
Hardware Installation

COM 3 RS232/RS422/RS485 Select

JP9 is used to configure COM 3 to RS232, RS422 (Full Duplex) or RS485.
The pin function of COM 3 will vary according to the jumper's setting.
6
4
2
1-2 On: RS232
(default)
2
1
24
5
6
3
4
1
2
3-4 On: RS422
Full Duplex
COM 3
2
1
9
1 1
JP9
5
3
1
2
9 1
6 5
JP9
2 1
5
6
3
4
1
2
5-6 On: RS485
9