17
(9)
COM3/4/5/6/7/8/9/10 (10-Pin): 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-RXCOM (4-pin): RS422/485 Header
Pin 1
TX
D
N
RX
D
P
TX
D
P
3
RX
DN
2
4
(11) GPIO_CON (10-pin): GPIO Header
9
GP
IO
_
30
GN
D
GP
IO
_
3
2
GP
IO
_
3
4
GP
IO
_
3
6
GP
IO
_
31
GP
IO
_
3
3
2
Pin 1
10
VC
C
GP
IO
_
3
5
GP
IO
_
37