Com 3 Rs232/Rs422/Rs485 Select; Hardware Installation - DFI-ITOX LR101 SERIES User Manual

COM 2 RS232/RS422/RS485 Select
JP5 is used to configure COM 2 to RS232, RS422 (Half Duplex) or RS485.
The pin function of COM 2 will vary according to the jumper's setting.
2 4 6
1 3 5
1-2 On: RS232
(default)
2
1 9
JP5
2
1
JP5
2 4 6
1 3 5
3-4 On: RS422
Half Duplex
COM 2
2
1 9

Hardware Installation

COM 2
6
5
2 4 6
1 3 5
5-6 On: RS485
2
1 9
2
25