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AC Power and HVAC Service Requirements
Electrical Power Planning
2-3
Table 2-1. Worksheet: Determining A-Side Power Requirements
System Component
Quantity
Watts
Watts Subtotal
ftServer 2900 and 4900 systems
x 800
ftServer 6900 systems
x 1000
Storage enclosure
†
† See
for the wattage of optional storage enclosures you purchase from Stratus.
x
Fibre Channel switch
‡
‡ If you are using Fibre Channel switches to connect the systems to storage enclosures,
include on this line the power requirements for a Fibre Channel switch. Two switches are
required for fault-tolerant operation. Connect one switch to A-side power and the other
switch to B-side power.
x
User-supplied components
TOTAL A-SIDE POWER REQUIREMENTS
Table 2-2. Worksheet: Determining B-Side Power Requirements
System Component
Quantity
Watts
Watts Subtotal
ftServer 2900 and 4900 systems
x 800
ftServer 6900 systems
x 1000
Storage enclosure
†
† See
for the wattage of optional storage enclosures you purchase from Stratus.
x
Fibre Channel switch
‡
‡ If you are using Fibre Channel switches to connect the systems to storage enclosures,
include on this line the power requirements for a Fibre Channel switch. Two switches are
required for fault-tolerant operation. Connect one switch to A-side power and the other
switch to B-side power.
x
User-supplied components
TOTAL B-SIDE POWER REQUIREMENTS
Table 2-3. Worksheet: Determining External Power Requirements
System Component
Watts
Other peripheral components
TOTAL EXTERNAL POWER REQUIREMENTS