Jetway Computer NAF92-Q67 - Manual (Page 11)

7
(7) JP11 (6-pin): COM2 Header Pin9 function select
3-4 closed : +12V
JP11
1
1-2 closed: RS232
1
1
5-6 closed : +5V
(8) JP12 (6-pin): COM3 Header Pin9 function select
3-4 closed : +12V
JP12
1
1-2 closed: RS232
1
1
5-6 closed : +5V
(9) JP13 (6-pin): COM4 Header Pin9 function select
3-4 closed : +12V
JP13
1
1-2 closed: RS232
1
1
5-6 closed : +5V