Obsolete hardware connectors pinouts

DEC MMJ pinout

serial interface

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6 pin MMJ female connector layout
6 pin MMJ female connector
at the devices

MMJ=Modified Modular Jack. Invented by Digital Equipment Corporation (DEC) (now: Compaq)

Pin Name Description
1DTRData Terminal Ready
2TXD+Transmit Data +
3TXD-Transmit Data -
4RXD-Receive Data -
5RXD+Receive Data +
6DSRData Set Ready

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6 pin MMJ male connector layout
6 pin MMJ male connector
at the cables
Source(s) of this and additional information: Hardware Book
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Last updated 2011-08-18 14:48:55. Edit this page.
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