Regulatory Compliance and SafetyInformation for the Catalyst Express 520 Switches
EMC Environmental Conditions for Products Installed in the European Union
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Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches
OL-13012-02
EMC Environmental Conditions for Products Installed in the European Union
This section applies to products to be installed in the European Union.
The equipment is intended to operate under the following environmental
conditions with respect to EMC:
•A separate defined location under user’s control.
•Earthing and bonding shall meet the requirements of ETS 300 253 or CCITT
K27.
•AC power distribution shall be one of the following types, where applicable:
TN-S and TN-C as defined in IEC 364-3.
In addition, if equipment is operated in a domestic environment, interference may
occur.
EMC Class A Notices and Warnings
This section includes the EMC Class A warnings for the Catalyst Express 520
switches.

Class A Notice for FCC

Modifying the equipment without Cisco’s authorization may result in the
equipment no longer complying with FCC requirements for Class A digital
devices. In that event, your right to use the equipment may be limited by FCC
regulations, and you may be required to correct any interference to radio or
television communications at your own expense.
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications.