Mechanical Vibration; Ac Line Voltage Requirements - HP StorageWorks XP10000 Owner's Manual

Mechanical vibration

Continuous vibration can cause a slow degradation of mechanical parts and, when
severe, can cause data errors in disk drives. Mechanical connections such as printed
circuit assembly (PCA) conductors, cable connectors, and processor backplane wiring
can also be affected by vibrations. Vibration specifications apply to all three axes.
Condition
Operating
Nonoperating

AC line voltage requirements

This section lists the AC power recommendations. Each rack has four power cords.
In case of a failure of the power source for one cord, the power requirements, and
therefore the current requirement for the remaining power cord, will double.
For details about electrical specifications, cabling, and connectors, see the HP
StorageWorks XP10000 Disk Array Site Preparation Guide.
Parameter
Rated line current
per power cord
Number of power
cords per rack
Recommended
circuit breakers
HP requires a separate branch circuit for each power cord connection. The circuit breaker
for each branch circuit must have a minimum rating of 20 amps. Breakers must be
easily visible and accessible so power can be quickly removed in an emergency. Local
building electrical codes may dictate specific additional circuit breaker requirements.
Consult your electrician or local code for the requirements in your location.
If you have multiple power sources, such as a UPS, connect two of the power cords
for each cabinet to each power source for maximum protection from power outages.
Consult your local HP service representative about which power cords are to be attached
to the two power sources.
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Hardware
Specification
0.25 mm, 5–10 Hz
0.05 G, 10–300 Hz
2.5 mm, 5–10 Hz
0.5 G, 10–70 Hz
0.05 mm, 70–99 Hz
1.0 G, 99–300 Hz
200 208 VAC
VAC 60 Hz Only
16A 16A
4 4
20A 20A
220 230
VAC VAC
16A 16A
4 4
20A 20A
240
VAC
16A
4
20A