power_calc.fm
P31003-H3560-S403-54-7620, 09/05
HiPath 3000 V6.0, HiPath 5000 V6.0, Provisional Service Manual
D-19
Identifying System Power Requirements
Identifying the Primary System Power Requirement
Sample calculation for a HiPath 3550
1.
Determine overall secondary power requirement
2.
Identifying primary power requirement
The primary power requirement of HiPath 3550 with the expansion mentioned
amounts to approximately 103.7 W.
power requirements of the boards/
components used =
7.50 W
1 x CBCC
12.80 W
1 x HXGS3 (including ventilator
kit)
0.90 W
1 x TS2
2.40 W
3 x SLU8
2.60 W
1 x 8SLA
5.00 W
1 x SLC16N
24.00 W
12 x BS3/1
+
power requirement of connected work-
point clients, key modules and adapt-
ers =
0.56 W
1 x optiset E memory
4.32 W
6 x optiPoint 500 advance
0.85 W
1 x optiset E advance confer-
ence/conference
8.40 W
12 x optiPoint 500 basic
2.40 W
8 x optiPoint 500 entry
0.00 W
2 x Hicom Attendant BLF
0.00 W
2 x optiPoint BLF
0.40 W
8 x optiPoint key module
0.50 W
2 x optiPoint acoustic adapter
1.80 W
6 x analog workpoint clients
=
overall secondary power requirement
=
74.43 W
overall secondary power requirement
=
74.43 W
+
UPSC-D requirement =
12.00 W
Allow for the degree of efficiency of the
power supply unit:
86.43 W
x 1.2 = 103.7 W