A unique identifier is associated with each element of the infrastructure to be identified and serves as the key to finding the recorded information within the administration system selected.

IDENTIFIER

DES CRIPTION OF IDENTIFI ER

CLASS OF ADMINISTRATION

1

2

3

4

fs

telecommunications space (TS)

R

R

R

R

fs-an

horizontal link

R

R

R

R

fs-TMGB

telecommunications main grounding busbar

R1

R1

R1

R1

fs-TGB

telecommunications grounding busbar

R1

R1

R1

R1

fs1/fs2-n

intrabuilding backbone cable

 

R

R

R

fs1/fs2-n.d

intrabuilding backbone pair or optical fiber

 

R

R

R

f-FSLn(h)

firestop location

 

R

R

R

[b1-fs1]/[b2-fs2]-n

interbuilding backbone cable

 

 

R

R

[b1-fs1]/[b2-fs2]-n.d

interbuilding backbone pair or optical fiber

 

 

R

R

b

c

building campus or site

 

 

R

R
R

fs-UUU.n.d(q)

intrabuilding backbone pathway element

 

O

O

O

fs1/fs2-UUU.n.d(q)

intrabuilding backbone pathway between two TSs or areas

 

O

O

O

[b1-fs1]/[b2-fs2]-

interbuilding pathway or element

 

 

O

O

UUU.n.d(q)

 

 

 

 

 

R = Required        O = Optional