Marketing description

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 computer manually by using pushbuttons on the switch, using the software-based configuration utility, or by the Auto Switch function.
With multifunction printer support, the US421A is the ideal way to share the USB 2.0 peripherals in a multimedia office environment.

Key selling points

• Enables four computers to share a single USB peripheral device
• Simple port selection via pushbuttons, configuration utility, or Auto Switch function
• Auto Switch function - no need for print server
• USB 2.0 compliant
• Supports transfer rates up to 480 Mbps
• Multiplatform support
• LED indicators display port focus
• Overcurrent protection
• Bus-powered
• Hot pluggable
• Buzzer indicates switching between computers
• Supports multifunction printers