pinout (распиновка)

RS422 9pin connector

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9 pin D-SUB MALE connector  at the DTE (Computer)

Pin Name Description 1   Shield 2 RTS+ Request To Send + 3 RTS- Request To Send - 4 TXD+ Transmit Data + 5 TXD- Transmit Data - 6 CTS+ Clear To Send + 7 CTS- Clear To Send - 8 RXD+ Received Data + 9 RXD- Received Data -

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

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