ETSI I-ETS 300 811-1998
宽带综合业务数字网(B-ISDN).在双绞线上比特率为25.6 Mbit/s的SB参考点的传输会聚(TC)和物理媒体关联子层(PMD)
Broadband Integrated Services Digital Network (B-ISDN); Transmission Convergence (TC) and Physical Media Dependent (PMD) Sublayers for the SB Reference Point at a Bit-Rate Of 25,6 Mbit/s Over Twisted Pair Cable