IBM Z10 BUISNESS CLASS Z10 BC, Руководство по установке

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Acoustics
This appendix provides information on acoustics for the z10 BC at nominal
environmental ambient temperatures of 23
o
C plus or minus 2
o
C (73.4
o
F plus or
minus 3.6
o
F).
Acoustical noise emission levels
Product Configuration
Declared A-Weighted
Sound Power Level
L
W Ad (B)
Declared A-Weighted
Sound Pressure Level
L
p Am (dB)
Operating
(B) Idling (B)
Operating
(dB) Idling (dB)
Typical Configuration :
One processor node and one I/O
drawer. All AMDs at nominal speeds;
front and rear acoustical doors
installed and closed.
7.1 7.1 53 53
Maximum Configuration:
One processor node and four I/O
drawers. All AMDs at nominal
speeds; front and rear acoustical
doors installed and closed.
7.2 7.2 54 54
Notes:
1. L
W Ad
is the (upper limit) A-weighted sound power level.
2. L
p Am
is the mean A-weighted sound pressure level at the 1-meter bystander position.
3. All measurements are made in accordance with ISO 7779, and reported in conformance
with ISO 9296.
4. B and dB are the abbreviations for bels and decibels , respectively. 1B = 10dB.
Relevant international standards:
v
Measurements: ISO 7779
v
Declaration: ISO 9296
Level 03c, May 2011
© Copyright IBM Corp. 2008, 2011
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