Jetway Computer NC9MGL - Manual (Page 15)

10
(5) JP4 (6-pin): COM
2 Header RS232/485/422 Function Select
3-4 Closed : RS485;
JP4
1
1-2 Closed: RS232;
1 1
5-6 Closed : RS422
(6) JP5 (3-pin): KB/MS Power on Function Setting
2-3 Closed:KB/MS Power-On Enabled
JP5
JP5
1-2 Closed: KB/MS Power-On Disabled(default)
1
3
1
3