Jetway Computer NC9I - Manual (Page 24)

19
(9) COM2/COM3/COM4/COM5/COM6(10-Pin): Serial Port Header
Serial Port Header
DCD
Pin1
Pin6
Pin5
SI
N
SO
U
T
DT
R GN
D
DS
R
RT
S CT
S
RI
(10) TX-RX (4-pin): RS422/485 Header
Pin 1
TX
D
P
RX
D
N
TX
D
N
RX
DP
2
3 4