Fujitsu Siemens Computers PRIMERGY RX220 Service Supplement Manual page 15

Safety notes
Note about the laserThe CD-/DVD-ROM drive is classified for laser class
1according to
IEC 60825-1.
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CAUTION!
The CD-/DVD-ROM drive contains a laser diode (LED). Sometimes the
LED produces a stronger laser beam than laser class 1. Direct view into
this laser beam is dangerous.
Never remove parts of the CD-/DVD-ROM drive assembly!
Modules with electrostatic-sensitive devices
Systems and components that might be damaged by electrostatic discharge
(ESD) are marked with the following label:
Figure 1: ESD label
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CAUTION!
When you handle components fitted with ESDs, you must observe the
following points under all circumstances:
Remove the power plug from the power socket before inserting or
removing components containing ESDs.
You must always discharge static build-up (e.g. by touching a
grounded object) before working with such components.
The equipment and tools you use must be free of static charge.
Use a grounding cable designed for this purpose to connect yourself
to the system unit as you install components.
RX220
Service Supplement 15