Just a quick update, I was moving the transfer switch and I accidentally broke off the key inside the lock. It’s still opens and closes just fine but you’ll either have to replace the lock or try to fish out the broken piece.
L-com IEEE-488 GPIB A/B Transfer Switch, 3-Port (A, B, Input/Output)
L-com IEEE-488 GPIB A/B Transfer Switch, 3-Port (A, B, Input/Output)