IBM 2027-R04, Installation And Service Manual

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CAUTION
Servicing of this product or unit is to be performed by trained
service personnel only.
(C032)
Attention notices
An attention notice indicates the possibility of damage to a program,
device, or system, or to data. An exclamation point symbol may
accompany an attention notice, but is not required. A sample
attention notice follows:
ATTENTION !
Do not bend a fibre cable to a radius less than 5 cm (2 in.); you
can damage the cable. Tie wraps are not recommended for optical cables
because they can be easily overtightened, causing damage to the cable.
Laser safety This equipment contains Class 1 laser products, and complies with
FDA radiation Performance Standards, 21 CFR Subchapter J and the
international laser safety standard IEC 60825.
CAUTION
This product may contain one or more of the following: CD-ROM,
DVD-ROM, DVD-RAM, or laser module, which are Class 1 laser
products. Please note the following:
•
Do not remove the covers. Removing the covers of the laser
product could result in exposure to hazardous laser radiation.
There are no serviceable parts inside the device.
• Use of the controls or adjustments or performance of
procedures other than those specified herein might result in
hazardous radiation exposure.
(C026)
CAUTION
Data processing environments can contain equipment transmitting
on system links with laser modules that operate at greater than
Class 1 power levels. For this reason, never look into the end of an
optical fiber cable or open receptacle.
(C027)