Knowledge Base CAM USB 2.0 video inputs resolutions SHARE2/SHARE2U/CAM300 with StarLeaf Compatibility with Barco ClickShare CX20/30/50 SHARE2/SHARE2U/CAM300 with GoToMeeting, webex and StarLeaf Far end PTZ control with Zoom HDMI LED blinking USB cameras USB audio devices USB 2.0 extenders Crestron modules Analog video support SHARE and CAM software control Power line frequency artifacts USB 2.0 cameras supported