Lucent Technologies MERLIN LEGEND Release 5.0 Pocket Reference page 87

Power Supply Unit Load Requirements
( continued )
Unit Load Calculation Rules ( continued
Mode
Square Key or
Behind Switch
Installed
Modules
5 or more
)
Calculation
Use the "Unit Load Rating of
System Modules" table and
instructions below to
determine the estimated unit
loads (ULs):
— If the ULs < 75 and the
391A3 power supply is
used, then no calculation
is required. If a 391A1 or
391A2 power supply is
used and the ULs > 54,
then an auxiliary power
supply is needed or
replace the power supply
with a 391A3.
— If ULs > 75, reconfigure the
system so that the total
ULs do not exceed 75 per
carrier.
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