Declared Acoustical Noise Emissions
Noise Emissions Operating Idle
With H80 CEC Drawer only
L
WAd
5.8 bels 5.8 bels
L
pAm
N/A N/A
<L
pA
>
m
45 dBA 45 dBA
Impulsive or prominent discrete
tones
No No
Noise Emissions Operating Idle
With H80 and Primary I/O
Drawer
L
WAd
6.2 bels 6.2 bels
L
pAm
N/A N/A
<L
pA
>
m
48 dBA 48 dBA
Impulsive or prominent discrete
tones
No No
Noise Emissions
1
Operating Idle
L
WAd
5.8 bels 5.8 bels
L
pAm
N/A N/A
<L
pA
>
m
45 dBA 45 dBA
Impulsive or prominent discrete
tones
No No
1. Noise emissions data are based on the following configuration: the drawer is mounted in a
T00 Rack and a power distribution unit.
Noise Emission Notes
1. L
WAd
is the declared (upper limit) sound power emission level for a production
series of machines.
2. L
pAm
is the mean value of the A-weighted sound pressure emission levels at the
operator position (if any) for a production series of machines.
3. <L
pA
>
m
is the mean value of the space-averaged A-weighted sound pressure
emission levels at the one-meter positions for a production series of machines.
4. N/A = Not Applicable (no operator position).
5. All measurements are made in accordance with ISO DIS 779 and reported in
conformance with ISO DIS 7574/4.
494 Service Guide
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