Identifies a provider central office add drop multiplexer location used as a service access point when the secondary location is located off the ring network.
NOTE 1: The format and structure of this field is defined in the ANSI approved standard, ATIS-0300253, Identification of Location Entities for Information Exchange. The CLLI Code consists of the following elements:
1. Geographical Code – Positions 1 through 4 describe the designation
for a single geographical locality within a state, province, territory,
country, or distinct region of the world (e.g., municipality) (4
alpha characters).
2. Geopolitical Code – Positions 5 and 6 describe the designation of a
state or territory of the United States, a province or territory of Canada,
another country having a national federal government, or a unique designation
(2 alpha characters).
3. Network Site Code – Positions 7 and 8 describe the designation of a
site of an existing or proposed structure within a geographical location
where there is a need to identify one or more telecommunications equipment
entities, facility terminations, nodal locations, or administrative operations
(2 alpha or 2 numeric characters).
4. Network Entity Code – Positions 9 through 11 describe the functional
category of equipment or work center that is contained in a structure.
Equipment categories, including central office switching and ancillary
equipment or non-switching or access terminations, are associated with
a building or network site for purposes of maintaining equipment inventories
and for identifying facility and circuit terminations and nodal locations
(3 alpha/numeric characters).
NOTE 2: Valid CLLI Codes are outlined in Telcordia Technologies practice BR 795-(100-186)-100.
USAGE: This field is conditional.
NOTE 1: Optional when the FNT field on the ASR Form is populated and the ACT field on the ASR Form is “N”, “C” or “T”, otherwise prohibited.
DATA CHARACTERISTICS: 8 or 11 alpha/numeric characters
EXAMPLES: B R H M A L M T W X X
B R H M A L M T