User's Manual

NOTE:
This section describes 30-A, single phase power. You can order other voltage, amperage,
and phase configurations if you have a different power infrastructure.
NEMA L5-30R receptacle, 3-wire, 30-A, 60-Hz
NEMA L6-30R receptacle, 3-wire, 30-A, 60-Hz
IEC 309 receptacle, 3-wire, 30-A, 50-Hz
• The standard power configuration for any HP Enterprise Virtual Array rack is the fully redundant
configuration. Implementing this configuration requires:
◦ Two separate circuit breaker-protected, 30-A site power sources with a compatible wall
receptacle.
◦ One dual PDU assembly. Each PDU connects to a different wall receptacle.
◦ Four to eight (depending on the rack) Power Distribution Modules (PDMs) per rack. PDMs
are split evenly on both sides of the rack. Each set of PDMs connects to a different PDU.
– Eight PDMs for 42U, 47U, and 42U 5642 racks
– Six PDMs for 36U racks
– Four PDMs for 22U racks
◦ The disk enclosure power supplies on the left (disk PS 1) connect to the PDMs on the left
with a gray, 66 cm (26 inch) power cord.
◦ The disk enclosure power supplies on the right (disk PS 2) connect to the PDMs on the
right with a black, 66 cm (26 inch) power cord.
◦ Each controller enclosure has two power supplies:
– Controller PS 1 connects to a PDM on the left with a gray, 152 cm (60 inch) power
cord.
– Controller PS 2 connects to a PDM on the right with a black, 66 cm (26 inch) power
cord.
NOTE: Disk enclosures, when purchased separately, include one 50 cm black cable and one
50 cm gray cable.
The configuration provides complete power redundancy and eliminates all single points of failure
for both the AC and DC power distribution.
Power distribution–Modular PDUs 21