Vecow ECS-9210, User Manual, Page: 37 / 122

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