RS-422 9pin
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RS-422 9pin


9 pin D-SUB male
9 pin D-SUB male connector  at the DTE (Computer)
Pin Name Description
1 Shield
2RTS+Request To Send +
3RTS-Request To Send -
4TXD+Transmit Data +
5TXD-Transmit Data -
6CTS+Clear To Send +
7CTS-Clear To Send -
8RXD+Received Data +
9RXD-Received Data -

Note: Direction is DTE (Computer) relative DCE (Modem)

9 pin D-SUB female
9 pin D-SUB female connector  at the DCE (Modem)

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