Hardware pinouts information and cables schemes

DEC MMJ pinout

serial interface

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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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Pinouts.ru > RS-232 and other serial ports and interfaces pinouts listing >  Pinout of DEC MMJ and layout of 6 pin MMJ female connector and 6 pin MMJ male connector
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Source(s) of this and additional information: Hardware Book 2 reports
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