DEC RS-232 and other serial ports and interfaces pinouts listing

• DEC DLV11-J Serial pinout Available on the DEC DLV11-J Serial card
• DEC Dual RS-232 pinout Found on the DEC Multia and DEC UDB (Universal Desktop Box). It contains two Serial ports on one connector. The 1st port is located on the normal pins, and the 2nd port is located on some "spare" pins.
• DEC MMJ pinout MMJ=Modified Modular Jack. Invented by Digital Equipment Corporation (DEC) (now: Compaq)