i can post the pinout of the connector tonight. 
isildur

On Thu, 17 May 2001, NetBSD Bob wrote:
> > There are KA660 cab kits for the BA123 out there. They consist of three 
> > plates, a CPU console plate, and ethernet (thick and thin) plate, and a 
> > DSSI connector plate. All three plates are wired together and end up in a 
> > single ribbon cable that goes back to the CPU. They aren't real common.
> 
> Anyone have any sort of schematic for these bits?  If memory is correct,
> there is only one chip on the s-handle plate pcboard, plus a couple of
> resistors or diodes, and some switches/mmj plug.  How similar,
> electronically is that to what exists in the KA630 cabkit?
> If the electronics are functionally the same, I can make up the
> rest of the cabling and plates.

at least the KA650 can use a KA630 cab kit, so whatever chip is on there
cant be all that important. 

isildur