I've got an early MicroVAX 3100; one of the ones that just reads
"MicroVAX 3100" across the front.  On the back of the system there are
three MMJ serial ports identified as 1-3, there's an DB-25M port which
I'd imagine is serial port 0 (the console), and beneath that is a
36-pin Centronics style connector labelled 4-11 with the DEC serial
port pictograph beneath it.  I'd gather this is for some sort of serial
port cable "octopus."

Does anyone have a spare one of these cables or a part number for
this cable?  Thanks.

-brian.