4 Channel Video Switcher
This unit switches 4 video inputs to a buffered video output under network control. Like most of the network modules, it powers itself entirely off of the network/power cable.
This unit is designated 'U1'. Commands are as follows...
/U1Cn - Select channel 'n' (0-3).
/U1CU - Up one channel with wraparound.
/U1CN - Down one channel with wraparound.