On Thu, 5 Mar 1998 20:01:16 -0800 (PST)  Jonathan Stone wrote:

> 
> >I've successfully used LK401's on many DECstations (3100,
> >5000/133, 5000/150, 5000/200, 5000/240, 5000/260), as well
> >as vt220's and vt320's.
> 
> Someone once told me that the LK-201 successors (lk-401 &c) were
> designed so that they all powerup into LK-201 compatibility mode.
> they are plug-compatible wiht LK-201s and can be used as field
> replacements for LK-201s on vt220s, vt240s, and Vaxstations.

This agrees with what I've seen when we had machines on DEC
maintenence here - either a lk201 or lk401 failure was just
replaced with a lk401.  I had forgotten this until your message
prompted my memory...

Simon.