Guess you could start with these:
ANSI T1.307-1990 CENTRAL OFFICE EQUIPMENT - FIRE RESISTANCE
CRITERIA, PART 1, IGNITABILITY REQUIREMENTS FOR EQUIPMENT ASSEMBLIES AND
FIRE SPREAD REQUIREMENTS FOR INTERCONNECTION WIRE AND CABLE
DISTRIBUTION ASSEMBLIES
ANSI T1.308-1990 CENTRAL OFFICE EQUIPMENT
ELECTROSTATIC DISCHARGE REQUIREMENTS
ANSI T1.311-1991 DC POWER SYSTEMS - TELECOMMUNICATIONS
ENVIRONMENT PROTECTION
ANSI T1.313-1991 ELECTRICAL PROTECTION
ELECTRICAL PROTECTION FOR CENTRAL OFFICES AND SIMILAR TYPE FACILITIES
ANSI T1.315-1994 DC POWER SYSTEMS - VOLTAGE LEVELS FOR DC
POWERED EQUIPMENT USED IN THE TELECOMMUNICATIONS ENVIRONMENT
ANSI T1.316-1992 ELECTRICAL PROTECTION
ELECTRICAL PROTECTION FOR TELECOMMUNICATIONS OUTSIDE PLANT
ANSI T1.317-1993 DC POWER SYSTEMS - UNIFORM LANGUAGE FOR
ACCESSING POWER PLANTS, HUMAN - MACHINE LANGUAGE
ANSI T1.318-1994 ELECTRICAL PROTECTION
ELECTRICAL PROTECTION APPLIED TO TELECOMMUNICATIONS NETWORK PLANT AT
ENTRANCES TO CUSTOMER STRUCTURES OR BUILDINGS
ANSI T1.320-1994 CENTRAL OFFICE EQUIPMENT
ABOVE-BASELINE ELECTRICAL PROTECTION FOR DESIGNATED
TELECOMMUNICATIONS CENTRAL OFFICES AND SIMILAR-TYPE FACILITIES
AGAINST HIGH-ALTITUDE ELECTROMAGNETIC PULSE (HEMP)
Ciao,
Vic Boersma