BS EN 50157-2-2 discusses domestic and similar electronic equipment interconnection requirements and AV link with a focus on basic system oriented commands. By sending AV link system oriented commands a device may control some basic functions of other devices. For instance, an AV link television may control some functions of an AV link video cassette recorder.
BS EN 50157-2-2 is the second part of the BS EN 50157-2 multi-series on domestic and similar electronic equipment that specifies the AV link communication protocols and the basic AV link commands within mode 2.
BS EN 50157-2-2 on domestic and similar electronic equipment AV link is useful for:
AV link devices communicate with each other in AV link mode 2 by sending and receiving basic system oriented commands. The AV link mode 2 communication takes place via the AV link on contact 10 of the peritelevision connector as specified in EN 50049-1.
BS EN 50157-2-2 describes the physical medium through which basic AV link commands may be communicated from one device to another device. The physical medium over which basic AV link communication takes place, is contact 10 of the AV link connector.
EN 50157-2-2:1998