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Electrical Specifications
Figure 1-6. Electrical Specifications
(56 W)
Input voltage
(V ac)
100–240
Frequency (Hz) 50/60
Input (kVA) 0.13
Range is automatically selected; sine wave input is required.
At maximum configuration.
Acoustical Readings
Figure 1-7. Acoustical Readings
L
WAd
in bels L
pAm
in dB <L
pA
>
m
in dB
Operate Idle Operate Idle Operate Idle
770 4.40 3.90 35.0 30.0 30.0 25.5
770 (with
SelectaDock
III)
4.60 4.30 37.5 34.0 31.0 28.0
Notes:
L
WAd
Is the declared sound power level for the random sample of
machines.
L
pAm
Is the mean value of the A-weighted sound pressure levels at the
operator position (if any) for the random sample of machines.
<L
pA
>
m
Is the mean value of the A-weighted sound pressure levels at the
1 meter position for the random sample of machines.
Operate Shows the value while using the hard disk drive.
All measurements made in accordance with ANSI S12.10 and reported in
conformance with ISO 9296.
System Overview 1-9