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connector wiring scheme

9 pin D-SUB male connector layout 9 pin D-SUB male connector

9 pin D-SUB female connector diagram 9 pin D-SUB female connector

Pin Name Dir Description
1 GND - Ground
2 n/c Not connected
3 GND - Ground
4 TXD+ OUT Transmit Data +
5 TXD- OUT Transmit Data -
6 n/c Not connected
7 RXCLK OUT TRxC of Zilog 8530
8 RXD+ IN Receive Data +
9 RXD- IN Receive Data -


  • Direction is Printer relative Computer.


Category:Computer Peripheral Connectors


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