... audio input,1 ch audio output USB backup 4CH, H.264, SATA, Support mouse, USB, network, PTZ, IE View, ... live, recording, playback, backup & remote accessControl ModeUSB mouse, IR remote control, Keyboard, NetworkVideoInput4 channel, BNC(1 ... HDD faulty alarmAuxiliary InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupRS232keyboard, PC communicationRS485PTZ controlEnvironmentalPower SupplyAC ...