TIA-606-D is the latest revision (as of this writing) of the standard formally titled "Administration Standard for Telecommunications Infrastructure." Published by the TIA TR-42.6 committee, it supersedes previous versions (TIA-606-A, -B, and -C).

Cable Labeling Standards for Data Centers – ANSI/TIA-606-D

I.

: For a campus environment containing multiple buildings. Class 4 : For multi-campus or multi-site systems. Key Labeling Components

Choosing the appropriate class is the first step, as it determines the minimum set of identifiers and records required.