Found during cleanup, a RKV-11 controller.
It's a metal box, similar to a PDP-11/03.
It contains a 4 slot backplane and 4 cards.
One card has at the top 2 Berg connectors.
Box has no front.
Assumed to be working, as it was a shelf spare.
If interested, make an offer off list.
If only the cards and/or BP are wanted, I can disassemble the unit.
Regards,
Ed
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Certified : VCP 3.x, SCSI 3.x SCSA S10, SCNA S10