AS251S RS232 Serial Auto Switch (2to1)
AS251S allows 2 PCs to share 1 serial (RS232) printer. It is easy to install and needs no additional power supply.
US224 2-Port USB Peripheral Sharing Device
The US224 is a 2-port USB peripheral sharing device that enables 2 computers to share the use of 4 USB devices – a keyboard, mouse and up to two peripheral devices. It eliminates the added expense of having a separate USB keyboard, mouse and peripheral device(s) for each computer.