Broadband Integrated Services Digital Network (B-ISDN) - Cell based user network access for 155 520 kbit/s and 622 080 kbit/s - Physical layer interfaces for B-ISDN applications
Transmission and multiplexing (TM); optical interfaces for equipments and systems relating to the synchronous digital hierarchy [ITU-T Recommendation G.957 (1993) modified]; English version ETS 300232:1993
V interfaces at the digital Service Node (SN) - Interface at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 1: Interface specification (incl. Diskette!!!)