The US421A is a 4-port USB 2.0 Peripheral Switch that allows up to 4 computers...The US421A is a 4-port USB 2.0 Peripheral Switch that allows up to 4 computers to share the use of a single USB peripheral device (such as a printer, scanner, mass storage drive, etc.) on a one-at-a-time basis. The peripheral focus can be given to a...more
The US421A is a 4-port USB 2.0 Peripheral Switch that allows up to 4 computers...The US421A is a 4-port USB 2.0 Peripheral Switch that allows up to 4 computers to share the use of a single USB peripheral device (such as a printer. scanner. mass storage drive. etc.) on a one-at-a-time basis.The peripheral focus can be given to a...more