Jetway Computer NF9C - Manual (Page 31)

26
(14) RS422/485 Header (4-pin): TX-RX
Pin 1
TX
D
N
RX
D
P
TX
D
P
2
RX
D
N
(15) USB Port Headers (9-pin): USB3, USB4
VC
C
Pin 1
-D
A
T
A
GN
D
+D
A
T
A
VC
C
NC
-
DA
T
A
GN
D
+
D
AT
A
(16)FAN Speed Headers (3-pin): CPUFAN1, SYSFAN1, SYSFAN2
Pin1: GND
Pin2: +12V fan power
Pin3: Fan Speed