IBM 9009-22A Site And Hardware Planning

Table 9. Noise emissions for the 9008-22L, 9009-22A, and 9223-22H (continued)
Declared noise emission values in accordance with ISO 9296
1, 2, 3, 4, 5
Production
description
Declared A-weighted
sound power level, L
WA,m
(B)
Declared A-weighted
sound pressure level, L
pA,m
(dB)
Statistical adder for
verication, K
v
(B)
9008-22L,
9009-22A,
and
9223-22H at
maximum
allowable
ambient
operating
temperature.
8.3
6
8.3
6
70 70 0.3 0.3
Notes:
1. Declared level L
WA,m
is the upper-limit A-weighted sound power level. Declared level L
PA,m
is the
mean A-weighted emission sound pressure level that is measured at the 1-meter bystander
positions.
2. The statistical adder for verication, K
v
, is a quantity to be added to the declared mean A-weighted
sound power level, L
WA,m
, such that there is a 95% probability of acceptance, when using the
verication procedures of ISO 9296, if no more than 6.5% of the batch of new equipment has A-
weighted sound power levels greater than (L
WA,m
+ K
v
).
3. The quantity L
WA,c
(formerly called L
WAd
), can be computed from the sum of L
WA,m
and K
v
.
4. All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
5. 10 dB (decibel) equals 1 B (bel).
6. Notice: Government regulations (such as those prescribed by OSHA or European Community
Directives) might govern noise level exposure in the workplace and might apply to you and your
server installation. This IBM system is available in racks with optional acoustical door features that
can help reduce the noise that is emitted from this system. The actual sound pressure levels in your
installation depend upon various factors, including the number of racks in the installation; the size,
materials, and conguration of the room where you designate the racks to be installed; the noise
levels from other equipment; the room ambient temperature, and employees' location in relation to
the equipment. Further, compliance with such government regulations also depends upon various
extra factors, including the duration of employees' exposure and whether employees wear hearing
protection. IBM recommends that you consult with qualied experts in this eld to determine
whether you are in compliance with the applicable regulations.
Table 10. Noise emissions for the 9009-41A
Declared noise emission values in accordance with ISO 9296
1, 2, 3, 4, 5
Production
description
Declared A-weighted
sound power level, L
WA,m
(B)
Declared A-weighted
sound pressure level, L
pA,m
(dB)
Statistical adder for
verication, K
v
(B)
Operating Idling Operating Idling Operating Idling
9009-41A
(tower
version (FC
EJUB))
5.8 5.5 43 39 0.3 0.3
12 Power Systems: Site and hardware planning

IBM 9009-22A Specifications

General

Brand	IBM
Model	9009-22A
Category	Power Supply
Language	English