D-Link DWR-921 User Manual page 97

Appendix D - Regulatory Information
guidelines.
• Install the power supply before connecting the power cable to the power supply.
• Unplug the power cable before removing the power supply.
• If the system has multiple sources of power, disconnect power from the device by unplugging all power cables from the
power supplies.
Servicing/Disassembling
• Do not service any product except as expressly set forth in your system documentation.
• Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to an electrical
shock. Only a trained service technician should service components inside these compartments.
• To reduce the risk of electrical shock, never disassemble this device. None of its internal parts are user-replaceable; therefore,
there is no reason to access the interior.
• Do not spill food or liquids on your system components, and never operate the device in a wet environment. If the device
gets wet, see the appropriate section in your troubleshooting guide or contact your trained service provider.
• Use the device only with approved equipment.
• Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid sudden stops
and uneven surfaces.
Environment
• Do not use this device near water (e.g. near a bathtub, sink, laundry tub, fish tank, in a wet basement or near a swimming pool).
• Do not use this device in areas with high humidity.
• This device must not be subjected to water or condensation.
• Keep your device away from radiators and heat sources. Also, do not block cooling vents.
Cleaning
• Always unplug the power before cleaning this device.
• Do not use liquid or aerosol cleaners of any kind. Use only compressed air that is recommended for electronic devices.
• Use a dry cloth for cleaning.
Protecting Against Electrostatic Discharge
Static electricity can harm delicate components inside your system. To prevent static damage, discharge static electricity from
D-Link DWR-921 User Manual 93