References

For more information about channelized T3 interfaces, consult the following resources:

RFC 1661—The Point-to-Point Protocol (PPP) (July 1994)
RFC 2495—Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types (January 1999)
RFC 2495—Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types (January 1999)
ANSI T1.107a-1990 Standard for Telecommunications—Digital Hierarchy – Supplement to Formats Specification (August 1990)
ANSI T1.403-1989 Standard for Telecommunications—Network and Customer Installation Interfaces – DS1 Metallic Interface – Robbed-bit Signaling State Definitions (1989)
AT&T Technical Reference 54016—Requirements for Interfacing Digital Terminal Equipment to Services Employing the Extended Superframe Format (September 1989)

For more information about bit error rate test (BERT) patterns, see:

ITU O.151—Error performance measuring equipment operating at the primary rate and above (October 1992)
ITU O.153—Basic parameters for the measurement of error performance at bit rates below the primary rate (October 1992)
T1M1.3 Working Group—A Technical Report on Test Patterns for DS1 Circuits (November 1993)
ANSI T1.404-1994 Standard for Telecommunications—Network-to-Customer – DS3 Metallic Interface Specification (1994)