NonStop S-Series Hardware Installation and FastPath Guide (G06.26+)

Introduction
HP NonStop S-Series Hardware Installation and FastPath Guide—529876-001
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Installation Overview
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Uninterruptible power supply (UPS)
For IOAM enclosures, a UPS is optional but recommended where a site UPS is not
available. You can choose to use any UPS that meets the IOAM enclosure power
requirements for all enclosures being powered on from the UPS. One UPS option
to support the IOAM enclosure is the HP R5500 UPS. You can also choose to have
the UPS pre-installed inside the Modular Cabinet. See Figure 1-9.
The standard configuration for cabinets that have an R5500 XR UPS includes one
Extended Runtime Module (ERM). Each Extended Runtime Module is a rack-
mountable battery module that extends your overall battery runtime.
For power and environmental requirements for the R5500 UPS, and all planning,
installation, and emergency power-off (EPO) instructions, refer to the
documentation shipped with the UPS.