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5.5
Connecting the server to the mains
CAUTION!
The server is automatically set to a mains voltage in the range
200 – 240 V. You may only operate the server if its rated voltage range
corresponds to the local mains voltage.
5.5.1
Installation requirements
The power subsystem consists of:
– Power supply modules (PSU)
– A power distribution board (PDB)
The power supply subsystem can support up to four PSUs which all connect to
the PDB. The total system is rated 200-240V, 12.6A, 50-60Hz.The minimum
system configuration requires installation of at least two PSUs. The PSU is
considered hot-swappable only when PSUs are redundant. The system can be
configured to support
*True AC redundancy or non-AC redundancy.
*True AC redundancy is recommended for systems used for critical
business applications. This will result in the system to continue operation
during a power failure as the redundant part of the subsystem is plugged
into a separate AC source (e.g. uninterruptable power supply (UPS)).
Refer to tables below for maximum DC loading for both AC redundant
and AC non redundant configurations.
38
Cisco C880 M5 Installation Manual
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