USB K/M to PS/2 Converter - USB keyboard & mouse to control native PS/2

KMU2P

$144.00$129.60
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The Adder KMU2P converter adapts USB keyboard and mouse connections to traditional PS/2-style inputs for use with older PC systems and equipment. Adder's KMU2P converter emulates the presence of a keyboard and mouse (via the PS/2 connectors) to the device at all times. This means that when used with a KVM switch, there will be no delay in response when switching to this channel.

Question: Is this also running when i have use only one usb-port (keyboard with trackball) ?
Answer: Thank you for your inquiry,

Yes sir, you can use the Adder KMU2P without the second USB port plugged in.