Fujitsu PRIMERGY TX2550 M5, Руководство по модернизации и обслуживанию

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Do not bend or place heavy objects on CDs/DVDs/BDs.
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Do not write with ballpoint pen or pencil on the label (printed) side.
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Do not attach stickers or similar to the label side. Doing so may cause
rotational eccentricity and abnormal vibrations.
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When a CD/DVD/BD is moved from a cold place to a warm place, moisture
condensation on the CD/DVD/BD surface can cause data read errors. In this
case, wipe the CD/DVD/BD with a soft, dry cloth then let it air dry. Do not dry
the CD/DVD/BD using devices such as a hair dryer.
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To avoid dust, damage, and deformation, keep the CD/DVD/BD in its case
whenever it is not in use.
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Do not store CDs/DVDs/BDs at high temperatures. Areas exposed to
prolonged direct sunlight or near heating appliances are to be avoided.
You can prevent damage from the ODD and the CDs/DVDs/BDs, as well
as premature wear of the disks, by observing the following suggestions:
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Only insert disks in the drive when needed and remove them after
use.
● Store the disks in suitable sleeves.
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Protect the disks from exposure to heat and direct sunlight.
3.2.6 Laser information
The ODD complies with IEC 60825-1 laser class 1.
CAUTION
The ODD contains a light-emitting diode (LED), which under certain
circumstances produces a laser beam stronger than laser class 1.
Looking directly at this beam is dangerous.
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Never remove parts of the ODD casing!
3.2.7 Modules with Electrostatic-Sensitive Devices
(ESD modules)
ESD modules are identified by the following sticker:
Important information
TX2550 M5 Upgrade and Maintenance Manual 39