Jetway Computer NF35 v.4.0 - Manual (Page 13)

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(3) JCOMP1(6-pin): COM1 PRS232 power select
3-4 closed : +12V
JCOMP1
1
1-2 closed: RS232
1 1
5-6 closed :+5V
(4) JP1 (3-pin): Inverter VCC 5V/12V select
2-3 closed : Inverter 5V Select
JP1 JP1
1 3
1-2 closed: Inverter 12V Select
1 3
(5) JP2 (3-pin): LVDS 5V/3.3V select
2-3 closed : LVDS VCC 3.3V
JP2 JP2
1 3
1-2 closed: LVDS VCC 5V
1 3