Humidity:
■
Oper
ational: 20-80%
■
Stor
age: 10-90%
■
Transit: 5-95%
Noise: A-weighted Sound Power Level, Lwa (db re 1pW):
■
Typical: 71
■
Max: 81
Shock and vibration:
■
Optional random vibration: 10 to 350 Hz @ 0.18 Grms
■
Non-operational sinusoidal vibration: 60 to 350 Hz: @ 1g
■
Non-operational shock: 3g 11ms, half sine
Packaged transport specication:
■
Drops fr
om 356mm and 508mm as per ASTM D5276
■
Vibration at up to 0.53 Grms as per ASTM D4728
Altitude:
■
Maximum of 2000 meters
Ventilation
There are vents and fan openings on the front and the rear of the server. These openings
are designed to allow airow, which prevents the server from overheating.
Note: At least four inches of clear
ance must be pr
esent at the rear of the
server rack so that airow is unrestricted.
Caution:
Do not place the server in a built-in installation unless pr
oper ventilation is
pr
ovided.
Do not operate the server in a cabinet whose internal ambient temperature
exceeds 35º C (95º F).
Server front panel
The fr
ont of these servers featur
e a removable bezel that shields the front-facing server
components.
Ventilation
Chapter 4: Hitachi NAS Platform server components
Hitachi NAS Platform and Hitachi Unied Storage Series 4000 Hardware Reference 32