DEC MMJ

From HwB

MMJ=Modified Modular Jack

Invented by Digital Equipment Corporation (DEC) (now: Compaq)

Pinout

Mmjf.png

MMJ FEMALE CONNECTOR at the devices.

Mmjm.png

MMJ MALE CONNECTOR at the cables.

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

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