Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Series I: Integrated Services Digital Network ISDN User-Network Interfaces Study Group 13; 20pp
This Recommendation describes the configurations of ISDN and B-ISDN customer accesses, and lists the relevant reference points for the access network interfaces. This Recommendation gives an overview of the relevant Recommendations mainly on Layer 1 aspect for ISDN and B-ISDN customer accesses.