There are also some switch boxes from the earlier 90's, along with odd converters such as this:

and things like parallel port to rj45, serial port to some odd end that's 5 lines lof 8 pins, etc.
Also, the phone system I haven't photographed yet, mostly because I'm not sure what exactly is phone system yet, but it's a clusterfuck and a half.
I did figure out their labeling system though, so that's a plus.