NEC IP8800/S2400 Series, Руководство по устранению неисправностей

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Safety Guide [IP8800/S6300]
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■ Do not bring a TV or radio close to the device.
• Leaving a TV or radio close to the device can adversely influence to each other. If a TV or radio interferes the
device, remedy as follows:
1. Keep the device from the television or radio set as far away as possible.
2. Change the direction of the antenna for the television or radio set.
3. Use different outlets.
■ Keep the device away from a place with hydrogen sulfide or much salt.
• Places with hydrogen sulfide including hot spring resorts, and places with much salt including coasts may
shorten lifetime of the device.
■ Use air dusters with care.
• Choose an air duster designated to clean optical connectors. Other air dusters may get the end face of the
ferrule dirty.
• Avoid the nozzle or container of an air duster from touching the end face of the ferrule. Otherwise, the ferrule
may be damaged.
■ Handle the optical connector with care.
• Use the designated optical connector cleaner. Other optical connector cleaners may get the end face of the
ferrule dirty.
• Make sure of no problems on the head part of an optical connector cleaner, including attached fabric, grime,
and other foreign substances. Otherwise, the end face of the ferrule may be damaged.
• Do not push the optical connector forcedly to clean. Otherwise, the end face of the ferrule may be damaged.
• Rotate an optical connector cleaner (stick type) only in a clockwise direction. An optical connector cleaner
rotating clockwise as well as counterclockwise may damage the end face of the ferrule.
■ Maintenance and cleaning
• Wipe off the dirt on the device's outer surface with a dry, clean cloth or a well-wrung wet cloth containing water
or neutral cleanser. Do not apply volatile organic solvents or chemicals including benzine and thinner
pre-moistened cloths or insect killers, since they can deform, discolor or damage the device.
■ Long-term downtime
• For a long downtime, such as due to a long vacation or travel, be sure to unplug the power cable from the wall
outlet for safety. For a configuration using DC power supply, turn off the breaker on the power facility.
■ Discarding this device
• Discard the device according to the ordinance or rule of the local government or call the local waste material
handling facility.