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Installation Requirements
48 C141-E252
4.2 Power Supply Requirements
(1) Allowable input voltage and current
The power supply input voltage measured at the power supply connector pin of the HDDs (receiving
end) must satisfy the requirement given in Subsection 2.1.3. (For other requirements, see Items (4)
and (5) below.)
(2) Current waveform (reference)
Figure 4.6 shows the spin-up current waveform of+5V DC and +12V DC.
Time (2 sec/div) Time (2 sec/div) Time (2 sec/div)
Time (2 sec/div) Time (2 sec/div)
Time (2 sec/div)
Figure 4.6 Current waveform (Spin-up)