Jetway Computer NMF92-H61 - Manual (Page 10)

6
(4) JP3 (6-pin): COM3 Port RS232/485/422 Function Select
3-4 closed : RS485;
JP3
1
1-2 closed: RS232;
1 1
5-6 closed : RS422
(5) JP5 (6-pin): COM7 Pin9 function select
3-4 closed : +12V;
JP5
1-2 closed: RS232;
1
5-6 closed : +5V
1
1
(6) JP6 (6-pin): COM8 Pin9 function select
3-4 closed : +12V;
JP6
1-2 closed: RS232;
1
5-6 closed : +5V
1
1