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Worksheet I: Battery current calculation for customer-
provided DC reserve power
Main cabinet
V Batt = 48VDC
I Batt (Main)
Expansion cabinet V= 48V
V Batt = 48VDC
I Batt (Expan)
553-3011-100
Standard 14.00
Provisioning
customer-provided
reserve power
system
NTDK72 DC
power supply
80% efficiency
customer-provided
reserve power
system
NTDK72 DC
power supply
80% efficiency
January 2002
Pin (Main) = Pout (Main)
I Batt (Main) in DC amps = Pin (Main) = _____
Option 11C
CE & PE
Pin (Expan) = Pout (Expan)
I Batt (Expan) in DC amps =Pin (Expan) =_____
Option 11C PE
Pout (Main) = _____
= _____
0.80
48
Pout (Expan) = _____
= _____
0.80
48
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