Patent ID: 8723756

Claim:
A video display apparatus for displaying an image represented by received video signals, the apparatus comprising: (a) a first port structured to receive a first plurality of serially transmitted digital signals representing one or more video images; (b) a second port structured to output a second plurality of serially transmitted digital signals representing one or more of the video images of said first port; (c) a relaying circuit coupled to the first and second ports, the relaying circuit comprising: a router that can selectively route part or all of one or more data streams representing at least part of one of the video images of said first port toward a local monitor or to said second port; and an auxiliary channel relay configured to bidirectionally relay serial auxiliary channel data, wherein the relayed auxiliary channel data includes Extended Display Identification Data (EDID) indicating physical attributes of at least one of one or more local monitors that can be operatively coupled to a daisy chain communication circuit defined by the auxiliary channel relay.