... private network, LAN. The alarm information can be uploaded to CMS automatically. User can set system parameters, system time ... 1.0V p-p/75Ω,BNC×1,VGA×1Audio inputRCA connector×1Audio outputRCA×1Audio output;RCA×1; Intercom outputNetwork compatibility10/ ... and ADSL dynamic IP network.Serial port RS485,support PTZ control, Lens control.backup methodsSupport USB,CDRW,DVDRW and network backupDisplay ...