Cisco Cisco ASA 5520 Adaptive Security Appliance Guía De Instalación

This section includes the EMC Class A warnings for the Cisco adaptive security 
appliance.

This 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.

Where applicable, AC power distribution shall be one of the following types: 
TN-S and TN-C (as defined in IEC 364-3).

In addition, if equipment is operated in a domestic environment, interference may 
occur.

Modifying the equipment without Cisco's authorization may result in the 
equipment no longer complying with FCC requirements for Class A or Class B 
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.” [cfr reference 15.21]

7.

IEC = International Electrotechnical Commission

8.

FCC = Federal Communications Commission

9.

CFR = Code of Federal Regulations

10. UTP = Unshielded Twisted Pair

11. STP = Shielded Twisted Pair

12. Cisco ASA 5500 series products meet EN55022 Class B, CISPR22 Class B, and AS/NZS 

CISPR22 Class B with the use of shielded cables only.

13. AS/NZS = Standards Australia/Standards New Zealand

14. VCCI = Voluntary Control Council for Information Technology Equipment (Japan)