It's attached to the right workstation keyboard, monitor, and mouse.

It requires magical key combinations.

C-C-1 (select computer 1)

C-C-2 (select computer 2)

The manual is also attached. KV407A-408A.pdf

Hardware Documentation/KV407A (Mini USB KVM Switch) (last edited 2010-10-30 22:31:38 by kbare@CLUB.CC.CMU.EDU)