IOGear GCS138 - Manual (Page 11)

Installation
9
Step 1.
Connect the female VGA end of your IOGEAR KVM cable into the
male video port on the MiniViewTM Ultra labeled with a CPU port
number.
Step 2.
Plug in the PS/2 mouse and PS/2 keyboard connectors located on
the same end as the female video connector. The cables have
images on them indicating that they are for the keyboard or mouse.
CPU Port Connection