Cisco D9854, Installation And Configuration Manual, Page: 9 / 440

Safety Precautions
ix
You may find this symbol on the product and/or in the literature that
accompanies this product.
It indicates a live terminal; the symbol pointing to the terminal device.
You may find this symbol on the product and/or in the literature that
accompanies this product.
It indicates a protective earth terminal.
You may find this symbol on the product and/or in the literature that
accompanies this product.
It indicates excessive or dangerous heat.
Power

Important! This is a Class I product. You must earth this product. This
equipment may have up to two power supply cords. To reduce the risk of
electric shock, two power supply cords may have to be disconnected before
servicing.

This product plugs into a socket-outlet. The socket-outlet must be near this
product, and must be easily accessible.

Connect this product only to the power source that is indicated on the rear panel
of this product.

If this product does not have a mains power switch, the power cord serves this
purpose
Enclosure

Do not allow moisture to enter this product.

Do not open the enclosure of this product unless otherwise specified.

Do not push objects through openings in the enclosure of this product.
Cables

Always disconnect all power cables before servicing this product.

Always pull on the plug or the connector to disconnect a cable. Never pull on the
cable itself.

Do not walk on or place stress on cables or plugs.
Factory service

Refer service only to service personnel who are authorized by the factory.