HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 62

Rack AC power distribution, Rack System/E power distribution components

Page 62 highlights

Rack AC power distribution The power distribution in an Enterprise Virtual Array rack is the same for all variants. The site AC input voltage is routed to the dual PDU assembly mounted in the rack lower rear. Each PDU distributes AC to a maximum of four PDMs mounted on the left and right vertical rails (see Figure 29 (page 62)). • PDMs 1 through 3 connect to receptacles A through D on PDU 1. Power cords connect these PDMs to the number 1 drive enclosure power supplies and to the upper controller enclosure. • PDMs 4 through 6 connect to receptacles A through D on PDU 2. Power cords connect these PDMs to the number 2 drive enclosure power supplies and to the lower controller enclosure. NOTE: The locations of the PDUs and the PDMs are the same in all racks. Figure 29 Rack AC power distribution 1. PDM 1 3. PDM 3 5. PDM 4 7. PDM 6 2. PDM 2 4. PDU 1 6. PDM 5 8. PDU 2 Rack System/E power distribution components AC power is distributed to the Rack System/E rack through Power Distribution Units (PDU) mounted on the two vertical rails in the rear of the rack. Up to four PDUs can be mounted in the rack-two mounted on the right side of the cabinet and two mounted on the left side. Each of the PDU power cables has an AC power source specific connector. The circuit breaker-controlled PDU outputs are routed to a group of ten AC receptacles. The storage system components plug directly into the PDUs. Rack AC power distribution The power distribution configuration in a Rack System/E rack depends on the number of storage systems installed in the rack. If one storage system is installed, only two PDUs are required. If multiple storage systems are installed, four PDUs are required. 62 Enterprise Virtual Array hardware components

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Rack AC power distribution
The power distribution in an Enterprise Virtual Array rack is the same for all variants. The site AC
input voltage is routed to the dual PDU assembly mounted in the rack lower rear. Each PDU
distributes AC to a maximum of four PDMs mounted on the left and right vertical rails (see
Figure 29 (page 62)
).
PDMs 1 through 3 connect to receptacles A through D on PDU 1. Power cords connect these
PDMs to the number 1 drive enclosure power supplies and to the upper controller enclosure.
PDMs 4 through 6 connect to receptacles A through D on PDU 2. Power cords connect these
PDMs to the number 2 drive enclosure power supplies and to the lower controller enclosure.
NOTE:
The locations of the PDUs and the PDMs are the same in all racks.
Figure 29 Rack AC power distribution
2. PDM 2
1. PDM 1
4. PDU 1
3. PDM 3
6. PDM 5
5. PDM 4
8. PDU 2
7. PDM 6
Rack System/E power distribution components
AC power is distributed to the Rack System/E rack through Power Distribution Units (PDU) mounted
on the two vertical rails in the rear of the rack. Up to four PDUs can be mounted in the rack—two
mounted on the right side of the cabinet and two mounted on the left side.
Each of the PDU power cables has an AC power source specific connector. The circuit
breaker-controlled PDU outputs are routed to a group of ten AC receptacles. The storage system
components plug directly into the PDUs.
Rack AC power distribution
The power distribution configuration in a Rack System/E rack depends on the number of storage
systems installed in the rack. If one storage system is installed, only two PDUs are required. If
multiple storage systems are installed, four PDUs are required.
62
Enterprise Virtual Array hardware components