The LK201, 301 and 401 are interchangeable, regardless
of the cpu
used internally. There is NO VAX, Decmate, Pro version or
rainbow version save for different colored key caps. I regually
swap
LKx01 where x={2,3,4} keyboards with any VAX, Decmate,
VT220,
320, 330, 340, Pro3xx and friends. They all used the same cord
set.
See ... told you I'd get it wrong. At least there actually is an
LK250 :-)
I happen to prefer older LK201 for keyfeel, and later
LK401s for
the sculptured layout.
LK401 roolz!
The LK250 however is a TOTALLY different animal and
uses
different keycoding to be compatable with PCs or VAXmate
(a sorta PC). There are several different cordsets for this one.
Perhaps I can make up by offering a pointer
to the VAXmate Tech Ref V1 at:
http://208.190.133.201/decimages/moremanuals.htm
This includes a description of the LK250 in Chapter 8.
The LK201 is described in some detail in
EK-104AA-TM-001 VCB02 Video Subsystem Technical Manual
(see Appendix B for the LK201 and Appendix C for the Mouse)
which is available at the same location.
It is also described in the PC100 Technical Reference
Manual, which I'll send over when I get a round tuit
(same goes for the LK201 printset).
Antonio