Page 154 of 544 Provisioning
553-3011-100 Standard 14.00 January 2002
Worksheet I: Battery current calculation for customer-
provided DC reserve power
IBatt (Main) in DC amps = Pin (Main) =_____
48
Pin (Main) = P
out (Main)
0.80
= _____
I Batt (Main)
80% efficiency
customer-provided
reserve power
system
power supply
Option 11C
CE&PE
Main cabinet
Pout (Main) = _____
V Batt = 48VDC
I Batt (Expan) in DC amps =P
in (Expan) =_____
48
Pout (Expan) = _____
Pin (Expan) = P
out (Expan)
0.80
= _____
Expansion cabinet V= 48V
80% efficiency
Option 11C PE
customer-provided
reserve power
system
power supply
I Batt (Expan)
V Batt = 48VDC
NTDK72 DC
NTDK72 DC