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8
Fans
Safety notes
V
CAUTION!
Do not damage or modify internal cables or devices. Doing so may
●
cause a device failure, fire, or electric shock.
Devices inside the server remain hot after shutdown. Wait for a while
●
after shutdown before installing or removing internal options.
The circuit boards and soldered parts of internal options are exposed
●
and can be damaged by static electricity. Before handling them, first
touch a metal part of the server to discharge static electricity from
your body.
Do not touch the circuitry on boards or soldered parts. Hold the
●
metallic areas or the edges of the circuit boards.
If devices are installed or disassembled using methods other than
●
those outlined in this chapter, the warranty will be invalidated.
The installation indicated on this note is sometimes changed to the
●
kind of possible options without notice.
For further safety information, please refer to chapter
●
information" on page
8.1
Basic information
Base units are supplied with four hot-plug fan modules (single CPU
configuration and depending on CPU type) or eight hot-plug fan modules (two
CPUs configuration and depending on CPU type). Each fan module consists of
two fans, implemented in one housing.
Base units with four fan modules operate in a 1 of 4 redundancy, base units with
eight fan modules operate in a 1 of 8 redundancy. In other words, if one of the
four or eight fan modules fails, the system will operate without any problem. The
failed fan module can be exchanged without shutting down the server (hot-
plug).
RX2530 M1
33.
Upgrade and Maintenance Manual
"Important
155
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