Kramer Electronics VS-401USB - Manual (Page 7)

4 VS-401USB - Overview
3 Overview
The Kramer VS-401USB is a high quality 4x1 USB switcher. It accepts up to four
USB devices and switches the selected device to the host. The VS-401USB
always powers the selected port as well as the three that were not selected,
(allowing attached USB units to be charged, for example).
In particular, the VS-401USB features:
• Four DEVICE SELECT buttons
• Hi speed USB revision 2.0
• Firmware upgrade via RS-232
• Remote control via RS-232 port and/or RC-IR3 IR remote control transmitter
• An external 5V DC source, making it suitable for field operation