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ANSI T1.102 1987 Edition, August 27, 1987 TELECOMMUNICATIONS - DIGITAL HIERARCHY - ELECTRICAL INTERFACES
ANSI T1.103 1987 Edition, August 25, 1987 TELECOMMUNICATIONS - DIGITAL HIERARCHY - SYNCHRONOUS DS3 FORMAT SPECIFICATIONS
ANSI T1.104 1988 Edition, July 5, 1988 TELECOMMUNICATIONS - EXCHANGE-INTEREXCHANGE CARRIER INTERFACES - INDIVIDUAL CHANNEL SIGNALING PROTOCOLS (ECSA)
ANSI T1.105 1991 Edition, July 2, 1991 TELECOMMUNICATIONS - DIGITAL HIERARCHY - OPTICAL INTERFACE RATES AND FORMATS SPECIFICATIONS (ESCA)
ANSI T1.105.06 1996 Edition, March 22, 1996 TELECOMMUNICATIONS - SYNCHRONOUS OPTICAL NETWORK (SONET): PHYSICAL LAYER SPECIFICATIONS
ANSI T1.106 1988 Edition, 1988 TELECOMMUNICATIONS - DIGITAL HIERARCHY - OPTICAL INTERFACE SPECIFICATIONS (SINGLE MODE) (ATIS)
ANSI T1.110 1992 Edition, January 1, 1992 TELECOMMUNICATIONS - SIGNALLING SYSTEM NUMBER 7 (SS7) - GENERAL INFORMATION (ECSA)
ANSI T1.111 1996 Edition, March 14, 1996 TELECOMMUNICATIONS - SIGNALLING SYSTEM NUMBER 7 (SS7) - MESSAGE TRANSFER PART (MTP)
ANSI T1.112 1996 Edition, January 12, 1996 TELECOMMUNICATIONS - SIGNALLING SYSTEM NUMBER 7 (SS7) - SIGNALLING CONNECTION CONTROL PART (SCCP)
ANSI T1.113 1995 Edition, January 3, 1995 TELECOMMUNICATIONS - SIGNALLING SYSTEM NUMBER 7 (SS7) - INTEGRATED SERVICES DIGITAL NETWORK (ISDN) USER PART
ANSI T1.114 1996 Edition, March 8, 1996 TELECOMMUNICATIONS - SIGNALLING SYSTEM NUMBER 7 (SS7) - TRANSACTION CAPABILITY APPLICATION PART (TCAP)
ANSI T1.115 1990 Edition, 1990 TELECOMMUNICATIONS - SIGNALING SYSTEM NUMBER 7 (SS7) - MONITORING AND MEASUREMENTS FOR NETWORKS