The present document is an application standard@ identifying recommended interfaces for connections of Digital Video Broadcast Integrated Receiver Decoder (DVB-IRD) equipment. If a recommended interface is supported@ then the full specification of that interface@ which may include options@ applies. Interfaces not mentioned in the present document are not excluded@ and especially interfaces which are under development at the time of drafting the present document may be added at a later stage. For mechanical and electrical details of the interfaces@ reference is made to existing standards of IEC or CENELEC wherever possible@ or standards which are known to be in an advanced state of development.