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One c7000 power feed is from the main power source and the other is from a backup UPS grid.
For the R12000/3 UPS installed in a rack, the backup power source for the c7000 is one of the
dedicated three phase outputs. There is no power sharing between the c7000 and the rack PDU
feed. Two three-phase rack PDUs power all the other components except the c7000 in the NonStop
BladeSystem. One PDU is connected to the main power input grid: the other to the backup grid.
For racks with integral UPS, this is one of the dedicated three phase outputs of the UPS. For
c7000 power setup details, see “Power Feed Setup for the NonStop BladeSystem” (page 38)
There are two different versions of the rack level PDU. For more details, see “Power Distribution
Units (PDUs)” (page 42) and “AC Input Power for Modular Cabinets” (page 44).
Power Feed Setup for the NonStop BladeSystem
Power set up depends on your power configuration type:
• “North America/Japan Power Setup With Rack-Mounted UPS”
• “North America/Japan Power Setup Without Rack-Mounted UPS” (page 39)
• “International Power Setup With Rack-Mounted UPS” (page 40)
• “International Power Setup Without Rack-Mounted UPS” (page 41)
North America/Japan Power Setup With Rack-Mounted UPS
To setup the power feed connections as shown in Figure 3-1:
1. Connect one 3-phase 60A power feed to the rack-mounted UPS IEC309 560P9 (60A, 5 wire/4
pole) input connector.
2. Connect one 3-phase 30A power feed to the AF504A PDU NEMA L15-30P (30A, 4 wire/3
pole) input connector.
3. Connect one 3-phase 30A power feed to the c7000 enclosure's NEMA L15-30P (30A, 4 wire/3
pole) input connector.
38 System Installation Specifications