ATIS T1.311 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DC POWER SYSTEMS - TELECOMMUNICATIONS ENVIRONMENT PROTECTION
09-01-2007
01-12-2013
Covers installation of dc power systems within controlled or limited access areas that convert commercial ac to dc voltages of 160 volts or less and those that convert from one dc level to another of 160 volts or less.
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