Yes,it supports over TCP IP,It supports N TX to 1 RX,N TX to N RX, 1 TX to N RX and 1 TX to 1 RX.
This hdmi KVM extender use H.264 Compressed Technology,there are little video & audio signal loss and less than 50ms delay on ethernet cable transmission.
sorry,you can not,this hdmi usb extender will match the IP address automally.
Sorry,the USB port of HDMI USB extender only could connect with keyboard & mouse,not support U disk,Card Reader,Printer and usb camera etc.
When you use high quality 8 core pure copper UTP Cat5e Cable,it can up to 150 meter/492ft.