Jetway Computer NAF93-Q77 - Manual (Page 11)

7
(7) JP6(6-pin): COM7 Port Pin9 Function Select
3-4 closed : +12V;
JP6
1-2 closed: RS232;
1
5-6 closed : +5V
1 1
(8) JP7(6-pin): COM9 Port Pin9 Function Select
3-4 closed : +12V;
JP7
1-2 closed: RS232;
1
5-6 closed : +5V
1 1
(9) JP8(6-pin): COM4 Port Pin9 Function Select
3-4 closed : +12V;
JP8
1-2 closed: RS232;
1
5-6 closed : +5V
1 1