NewStar, Switch, models:

4-PORT USB2.0 AUTO SWITCH Share a USB 2.0 Device with up to Four Computers	User Manual
CS221	User Manual
NEWSTAR 2/4PORT	User Manual
NS-1105IPEXT	User Manual
NS-1631HD	User Manual
NS-211K	User Manual
NS-211KA	User Manual
NS-211KAR	User Manual
NS-211Micro-USB	User Manual
NS-411K	User Manual
NS-411KA	User Manual
NS-431	User Manual
NS124	User Manual
NS231USB	User Manual
NS421HDMIR	Installation Manual
NS832DM	User Manual