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Use only the specified interface cable.
Use only interface cables provided by NEC and locate a proper device and connector before connecting a
cable. Using an authorized cable or connecting a cable to an improper destination may cause a short
circuit, resulting in a fire.
Also, observe the following notes on using and connecting an interface cable.
• Do not use any damaged cable connector.
• Do not step on the cable.
• Do not place any object on the cable.
• Do not use the server with loose cable connections.
• Do not use any damaged cable.
Cleaning and working with internal devices
Do not disassemble, repair, or alter the server.
Never attempt to disassemble, repair, or alter the server on any occasion except as described in this
document. Failure to follow this warning may cause not only malfunction of the server but also an electric
shock or fire.
Do not look into the optical disk drive
A laser beam used in the optical disk is harmful to the eyes. Do not look into or insert a mirror into the drive
while the drive is powered on. If a laser beam (which is invisible) enters your eyes, you may lose your
eyesight.
Do not attempt to remove lithium, NiMH, or Li-ion batteries by yourself.
The server contains the lithium, NiMH, or Li-ion battery (some optional devices have a lithium, NiMH, or
Li-ion battery installed). Do not remove the battery by yourself. Placing a battery close to a fire or in the
water may cause an explosion.
When the server does not operate appropriately due to the dead battery, contact the store you purchased
the product or your sales representative. Do not attempt to disassemble the server to replace or recharge
the battery by yourself.
Danger of explosion if battery is incorrectly replaced. Replace only with same or equivalent type
recommended by the NEC. Do not dispose of batteries in a fire or with household waste. Contact your
local waste disposal agency for the address of the nearest battery deposit site
Disconnect the power plug before cleaning the server.
Be to power off the server and disconnect the power plug from a power outlet before cleaning or
installing/removing internal optional devices. Touching any internal device of the server with its power cord
connected to a power source may cause an electric shock even of the server is off-powered.
Occasionally disconnect the power plug from the outlet and clean the plug with a dry cloth. Heat will be
generated if condensation is formed on a dusty plug, which may cause a fire.
20
CAUTION
WARNING
Express5800/R110f-1E User's Guide
Precautions for Use (Be Sure to Read)
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