... , support PPPOE,DHCP communication protocol.6. Support PTZ and power lens control, support a varielty of protcol decoding.Clear video screen, dual ... can simultaneously monitor and manage thousands of infinite servers, remote control, settings, add the deletion of equipment, multi-user rights ... T/100Base-TX Ethernet RJ-45Data portRS-485 used to control PTZ, and RS-232 used for two-way data transfer ...