In recent years broadcast video technology has begun to shed its analogue history and take on board the benefits of the digital era. Areas such as digital video recording and processing have been addressed. However, until now, the means of conveying digital video information from one device to another have been cumbersome and expensive. The article describes how these problems have been overcome. It describes the limitations of the current method and provides an overview of a new, serial, interface. Details and benefits of the new interface are given and new integrated circuits to implement the interface are also described. Consideration is given to installation, test and measurement.