... s)Loop Output4 channel, BNC8 channel, BNC16 channel, BNCAudioInput4 channel, BNC8 channel, BNC16 channel, BNCOutput1 channel, BNCTwo-way Talk1 channel Input, 1 channel Output, BNCDisplayInterface1 ... 1024×768Display Split1/4/81/4/8/9/161/4/8/9/16/25/36Privacy Masking4 rectangular ... ports (1 Rear), USB2.0RS2321 port, For PC communication & KeyboardRS4851 port, For PTZ controlGeneralPower SupplyAC 100 ...