Jetway Computer NAF91R-G41 - Manual (Page 12)

8
(10) JP18 (6-pin): COM4 Pin9 function select
3-4 closed : +12V
JP18
1
1-2 closed: RS232
1 1
5-6 closed : +5V
(11)JP19 (6-pin): COM5 Pin9 function select
3-4 closed : +12V
JP19
1
1-2 closed: RS232
1
1
5-6 closed : +5V
(12)JP20 (6-pin): COM6 Pin9 function select
3-4 closed : +12V
JP20
1
1-2 closed: RS232
1
1
5-6 closed : +5V