This interface standard was written to provide the minimal set of requirements to provide for satisfactory transmission between the network and the NT, while conforming, wherever possible with the I-series of International Telecommunication Union ¿ Telecommunication Standardization Sector (ITU-T) Recommendations, and while not compromising the principles of evolution expressed therein.

ATIS 0600601.1999(S2015)
Original price was: $330.00.$165.00Current price is: $165.00.
Integrated Services Digital Network (ISDN) – Basic Access Interface for Use on Metallic Loops for Application on the Network Side of the NT (Layer 1 Specification) (formerly T1.601-1999 (R2009) )
The Alliance for Telecommunications Industry Solutions , 07/01/1999