Patent ID: 8587654

Claim:
A network switch control digital video recorder (DVR) to process image data received from at least one camera, the network switch control DVR comprising: a network switch module configured to include a plurality of ports via which data is input to or output from at least one camera, a network storage, an external computer, and a DVR module and to multiplex data input or output via the plurality of ports; and the DVR module configured to control the input or output of data to or from the network switch module by monitoring the generation of an excessive amount of packets by a PC connected to a DVR due to a computer virus according to a state of the input or output of data via the plurality of ports, wherein the network switch module comprises a first network switch control interface to transmit or receive data input/output control signals to or from the DVR module and the DVR module comprises a second network switch control interface to transmit or receive data input/output control signals to or from the network switch module.