Emerson ATCA-F140 Installation And Use Manual page 122

Safety Notes
EMC
FCC Class A
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, EN55022. 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, can cause
harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which
case the user is required to correct the interference at his own expense.
Use only shielded cables when connecting peripherals to assure that appropriate radio
frequency emissions compliance is maintained. Installed blades must have the face plates
installed and all vacant slots in the shelf must be covered.
For applications where this product is provided without a face plate, or where the face plate has
been removed, your system chassis/enclosure must provide the required electromagnetic
interference (EMI) shielding to maintain EMC compliance.
Board products are tested in a representative system to show compliance with the above
mentioned requirements. A proper installation in a compliant system maintains the required
performance.
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ATCA-F140 Installation and Use (6806800M67H)