Antonio,

You wrote,

> The M7500 is a KMV11 or a KMV1A.
That tells me still nothing. I believe the previous owner did have WAN (X.25) connections
to the rest of his world. 

> That's an awful lot of serial lines...
Yes I know. Only... Just one card has its 8 DB25 connectors, the other two have only the 
centronics type connector, and I don't have the rest of the iron for it.

Greetings, Alex
--
  "Uncle Cosmo ... why do they call this a word processor?"
  "It's simple, Skyler ... you've seen what food processors do to food,
right?"
     -- MacNelley, "Shoe"