ATEN KH1508A KVM Extender, 8 Port Cat-5 KVM Switch, UXGA, 1600 x 1200 Resolution
The KH1508A differs from the KH1508 in that the A release uses CPU modules with a permanent CAT5 cable molded into a single unit, and the console port now supports any combination of PS/2 and USB keyboards and mice
It allows access to eight directly connected computers, and through a daisy chain connection, an additional 31 KVMs to control a total of 256 computers from a single console.