> maybe I should have been using db9-ibm...
Damn, it looks very much like this :(

So, right way would be:

PMAX MMJ-6<->RS-232 DB9
1. DTR <-> db9-6
2. TD (+) <-> db9-2
3. TD (-)  <
    -> db9-5
4. RD (-) <
5. RD (+) <-> db9-3
6. DSR <-> db9-4

Right?

Boris
-- 
"Where shall I begin, please your Majesty?" he asked.  "Begin at the 
beginning,"
the King said, gravely, "and go on till you come to the end: then stop."
Alice's Adventures in Wonderland, Lewis Carroll