NonStop S-Series Planning and Configuration Guide (G06.29+)

System Components
HP NonStop S-Series Planning and Configuration Guide—523303-021
4-15
Power Supplies
Power Supplies
Two power supplies provide redundant power to the components in the enclosure.
With two power supplies, loss of one power supply or one AC power cord does not
result in a loss of system resources.
Each PMF CRU or IOMF 2 CRU in an enclosure with a power shelf receives its power
from the power supplies in the power shelf as well as from the batteries. The
relationships between power supplies and CRUs in a system enclosure are:
The power supplies are installed in slots 31 and 32 of the power shelf:
The power supplies connect to the power interface board (PIB), located on the sheet-
metal bulkhead in the center of the power shelf. The power supplies provide DC power
by way of the PIBs to the DC power cables to a PMF CRU or IOMF 2 CRU.
The power supply in slot... Supplies power to the CRU in slot…
31 55
32 50
Power Supply
624VST .vsd
31
32