Electrical specifications 63
AC inputs
The disk array primary rack has four separate connections to 200 VAC,
single-phase, 20-amp power. The AC power inputs to the primary rack are
distributed to four power distribution units (PDUs) as shown in Figure 8.
This provides fault tolerant operation of the disk array. Each pair of AC
inputs (00/10 and 01/11) must be capable of supporting the entire current
demand for the cabinet. Each PDU is fitted with an IEC320-C20 inlet that
fits the supplied input power cord, and four IEC320-C13 outlets that
connect to the hardware inside the rack by means of supplied cables.
Figure 8. Primary rack AC power cord connections
Caution The four PDU outputs shown in Figure 8 and Figure 9 are for internal
power connections to the disk array only. Do not connect any other
equipment to these outlets. Using the outlets for any equipment other than
the disk array may compromise disk array reliability or availability.
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