Fujitsu SPARC Enterprise M8000 Overview Manual page 25

Plugging or unplugging of external interface cards
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Maintenance and inspections (repairing, and regular diagnosis and maintenance)
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Caution – The following tasks regarding this product and the optional products
provided from Fujitsu should only be performed by a certified service engineer.
Users must not perform these tasks. Incorrect operation of these tasks may cause
malfunction.
Unpacking optional adapters and such packages delivered to the users
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Plugging or unplugging of external interface cards
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Remodeling/Rebuilding
Caution – Any modification and/or recycling of this product and its components
may be carried out only by a certified service engineer and must not be done by the
customer under any circumstances. Otherwise, electric shock, injury or fire may
result.
Emission of Laser Beam (Invisible)
Caution – The main unit and high-speed optical interconnect cabinet contain
modules that generate invisible laser radiation. Laser beams are generated while the
equipment is operating, even if an optical cable is disconnected or a cover is
removed. Do not look at any light-emitting part directly or through an optical
apparatus (e.g., magnifying glass, microscope).
Preface xxiii