DIN EN 300167:2002
傳輸和多路復用(MT).2048 千位/秒接口的功能特性 (英文版本核準本 EN 300167 V 1.2.1 (2001-09) 作為德國標準)
Transmission and Multiplexing (TM) - Functional characteristics of 2048 kbit/s interfaces (Endorsement of the English version EN 300167 V 1.2.1 (2001-09) as German Standard)