Historical
ANSI T1.403.01-1999
Network and Customer Installation Interfaces - (ISDN) Primary Rate Layer 1 Electrical Interfaces Specification (Includes revision of ANSI T1.408-1990 and partial revision of ANSI T1.403-1995)
This standard provides the requirements for ISDN primary rate electrical interface specifications for a network to customer installation and between various customer premises equipment. Requirements include electrical characteristics, format parameters and physical characteristics. This standard provides interface compatibility information and is not meant to be an equipment specification.
Alliance For Telecommunications Industry Solutions [atis]