Vecow EMBC-1000 User Manual page 30

COM1 pin assignments are listed in the following table:
Serial
Pin No.
Port
1
2
3
4
1 5
6
7
8
9
COM2~COM5 pin assignments are listed in the following table:
Serial
Pin No.
Port
1
2
3
4
2, 3
5
4, 5
6
7
8
9
10
RS-422
RS-232
(5-wire)
DCD TXD-
RXD TXD+
TXD RXD+
DTR RXD-
GND GND
DSR -----------
RTS -----------
CTS -----------
RI -----------
RS-422
RS-232
(5-wire)
GND_ GND_
EARTH EARTH
GND GND
RI -----------
DTR RXD-
CTS -----------
TXD RXD+
RTS -----------
RXD TXD+
DSR -----------
DCD TXD-
GETTING TO KNOW YOUR EMBC-1000
RS-422 RS-485
(9-wire) (3-wire)
TXD- DATA-
TXD+ DATA+
RXD+ -----------
RXD- -----------
GND GND
RTS- -----------
RTS+ -----------
CTS+ -----------
CTS- -----------
RS-422 RS-485
(9-wire) (3-wire)
GND_ GND_
EARTH EARTH
GND GND
CTS- RI
RXD- -----------
CTS+ -----------
RXD+ -----------
RTS+ -----------
TXD+ DATA+
RTS- -----------
TXD- DATA-
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