... input.13,Alarm output: 1 switch output.14,PTZ control: RS485.15,hard disk interface: 2 SATA interface.16,Network interface: RJ45 10M/100M ... self-adaptive Ethernet port.17,USB interface: 1 USB2.0 high-speed interface; 1 USB1.1 interface.18,Mobile monitor: Can monitor by mobile .19 ...