... switch/control system 1.1 year arranty,lifetime maintainance 2.OEM 3.Max 1024inputs,256outputs 4.audio & vedio system Matrix ... macroinstruction with different function in groupSupport composite control of matrix,frame processor, hard Disk Video Recorder,decoder and dome ... Embed network management function:The system could be the center of one system,network control and operate to other mainframe ...