Руководство По Установке для Cisco Cisco C880 M4 Server
4.1Power Supply Units
18 Operating Manual
4. Power Supply
4.1. Power Supply Units
The storage subsystem contains two power supply units that guarantee the power supply to all the fitted
components. If one power supply unit fails, the system will carry on running (redundant power supply).
Figure 10: storage subsystem with two power supply units (#0, #1)
The power supply units are supplied with mains voltage via the supplied connecting leads.
The two power supply units can be connected directly to two different phases of the in-house circuit in
order to achieve phase redundancy (see
section "
Mains Connection
” on page28
Replacing a Power Supply Unit
4.1.1.
CAUTION!
It is imperative that you read the
chapter
carry out work on your storage subsystem.
If faults occur with the power supply unit, it could be necessary to replace a power supply unit. Information
about the relevant error messages can be found in the sections
and
and in the
chapter
CAUTION!
When replacing a power supply unit, do not leave it removed for longer than 5 minutes to prevent
temperature rise.
PSU#0
PSU#1