This European Telecommunication Standard (ETS) specifies the transmission of MPEG2 Transport Streams (TS) between two DVB interfaces as defined in EN 50083-9 [11] within SDH networks working at the ITU-T Recommendation G.707 [15] hierarchical bit rate of 155 520 kbit/s or at a bit rate of 51 840 kbit/s. The use of any of these bit rates is optional, if however one or more rates are selected the complete specification applies. The definition of the network aspects of the transmission of MPEG2-TSs is based to the maximum extent on existing international and European standards.