... , backup & remote accessControl ModeUSB mouse, IR remote control, Keyboard, NetworkVideoInput4 channel, BNC(1.0Vp-p, ... DDNS, FTP, Email, Alarm ServerRemote OperationMonitor, PTZ control, Playback, System setting, File download, Log informationHard ... alarmAuxiliary InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupRS232keyboard, PC communicationRS485PTZ controlEnvironmentalPower SupplyAC ...