Cisco Headend Digital Broadband Delivery System Manuale Di Manutenzione
Appendix C
Configure FIPS Filtering
156
4004455 Rev G
About FIPS Codes
Federal Information Processing Standards (FIPS) are developed by the United States
government to identify states, counties, and subdivisions.
government to identify states, counties, and subdivisions.
A FIPS code for a location is formatted as follows:
First digit
Determines the subdivision.
0 = all subdivisions
A number indicates the area of the county (subdivision) impacted (1 through 9)
Second and third digits
Determines the state.
Examples:
-
04 = AZ
-
10 = DE
-
27 = MN
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38 = ND
Fourth, fifth, and sixth digits
Determines the county within the state.
Examples: DE has three county designations:
-
001 = Kent
-
003 = New Castle
-
005 = Sussex
-
000 = All counties (state-wide alert)
An EAS message header can contain as many as 31 FIPS codes.