from this brand
Reverse KVM Switch 4-Port Native VGA PS/2
Sharing a single computer or KVM system is made simple with this 4-Port Reverse KVM Switch. Up to 4 users can simultaneously control the same target using VGA video and PS/2 keyboard & mouse interfaces.
- Duplicates the User Port of any VGA & PS/2 System to support 4 users
- Interfaces with computers, servers, and other KVM switches