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RS422 9pin

9 PIN D-SUB MALE (at the DTE)
9 PIN D-SUB FEMALE (at the DCE)

CORRECT?

9 PIN D-SUB MALE at the DTE (Computer).
9 PIN D-SUB FEMALE at the DCE (Modem).

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 -

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

Contributor: Joakim Ögren
Source: ?

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13