Patent ID: 8810668

Claim:
A camera system comprising: a plurality of camera apparatuses to output respective video signals in the form of packetized video data; and a relay apparatus coupled to the plurality of camera apparatuses to relay selected packetized video data received from the plurality of camera apparatuses, said packetized video data of the video signals including a destination address for the video signal, wherein the relay apparatus comprises: a receiving unit having input ports, each coupled to a respective camera apparatus to receive the packetized video data from respective ones of the plurality of camera apparatuses and each input port having an address; an output section having at least one output port coupled to a destination device and having an output port address; a control unit to determine selected packetized video data from a particular one of the plurality of camera apparatuses based on the destination address included in said packetized video data, the control unit having a switching table to link an input port address to an output port address; and a switch unit responsive to a user input to selectively change the input port address linked to a particular output port address or to change the output port address linked to a particular input port address, and to select and output to the linked output port the selected packetized video data on a frame basis.