Vecow ECS-9210 User Manual page 37

The pin assignments are listed in the table as below:
Serial
Port
1 to 4
COM3 & COM 4 MB connector table:
COM Port
COM 3
COM 3 & COM 4 MB connector pin out:
CN9(COM3)
CN10(COM4)
©Vecow ECS-9200/9100 User Manual
Pin No. RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
MB Connector
CN9
CN Pin No.
10
CN9
CN9
RS-422
(5-wire)
TXD-
TXD+
RXD+
RXD-
GND
-----------
-----------
-----------
-----------
COM Port
COM 4
1
2
3
4
5
6
7
8
9
GETTING TO KNOW YOUR ECS-9200/9100
RS-422 RS-485
(9-wire) (3-wire)
TXD- DATA-
TXD+ DATA+
RXD+ -----------
RXD- -----------
GND GND
RTS- -----------
RTS+ -----------
CTS+ -----------
CTS- -----------
MB Connector
CN10
Signal Name
Chassis GND
GND
RI
DTR
CTS
TXD
RTS
RXD
DSR
DCD
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