
Equipment Physical Design Standards ATT-TP-76200, Issue 19
AT&T Services, Inc. June 2014
5) C: Maximum possible is the maximum heat dissipation PER UNIT in Watts at full operating parameters
(i.e., 100% full load/traffic)
• This entry is NOT the worst case draw of the power supplies. Rather it is the full measured calculated heat
dissipation from a fully loaded, in operation part or system.
6) D: Nominal is the heat dissipation PER UNIT in Watts while within normal operating parameters (i.e., 50-
74% full load/traffic)
• This entry is the Nominal (normal operating range) measured / calculated heat dissipation from a typical
AT&T loaded, in operation part or system.
7) E: Maximum possible is the maximum heat dissipation TOTAL (# Units X Unit Heat) in Watts at full
operating parameters (i.e., 100% traffic)
• This entry is NOT the worst case draw of the power supplies. Rather it is the full measured / calculated
heat dissipation from a fully loaded, in operation part or system.
8) F: Nominal is the heat dissipation TOTAL (# Units X Unit Heat) in Watts while within normal operating
parameters (i.e., 50-74% full load/traffic)
• This entry is the Nominal (normal operating range) measured / calculated heat from a typical AT&T loaded,
in operation part or system.
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