Fujitsu PRIMERGY RX1330 M4, Руководство по модернизации и обслуживанию, Страница: 177 / 403

8 Fans
8.1 Safety notes
CAUTION
▶
Do not damage or modify internal cables or devices. Doing so may
cause a device failure, fire, or electric shock.
▶
Devices and components inside the server remain hot after
shutdown. After shutting down the server, wait for hot components
to cool down before installing or removing internal options.
▶
Circuit boards and soldered parts of internal options are exposed
and can be damaged by static electricity. Always discharge static
build-up (e.g. by touching a grounded object) before handling
electrostatic-sensitive devices (ESDs).
▶
Do not touch the circuitry on boards or soldered parts. Hold circuit
boards by their metallic areas or edges.
▶
If devices are installed or disassembled using methods other than
those outlined in this chapter, the warranty will be invalidated.
▶
The procedure of installation on this notes might change depending
on a configuration of options.
▶
For more information, see "Important information" on page 29 .
8.2 Basic information
Base units with a standard PSU are supplied with four fan modules without
redundancy.
CAUTION
▶
In the configuration with four fan modules, defective system fans
have to be replaced immediately.
Base units with a redundant PSU are supplied with five fan modules in a 1-of-5
redundancy: If one of the five fan modules fails, the system will operate without
any problem.
RX1330 M4 Upgrade and Maintenance Manual 177