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Administration Standard for the Telecommunications
Infrastructure of Commercial Buildings
ANSI/TIA/EIA-606-A is a revision of the ANSI/TIA/EIA-606 originally published August 1993.
The primary objective of the administration standard is to provide a uniform administration scheme that is independent of applications. Applications are expected to change several times during the lifetime of the premises. The Revised Version was created considering the need for a user-friendly applicable method.
This Standard provides guidelines and choices of classes of administration for maintaining telecommunications infrastructure. Four classes of administration are specified. These classes are based on the complexity of the infrastructure being administered and are allowing a modular and scalable implementation.
Classes
Color coding of termination fields
Labeling, linkage and reports procedures

Scope of ANSI/TIA/EIA 606-A
CLASSES
Four classes of administration are specified to accommodate diverse telecommunications infrastructure. The most relevant factors in determining the class of administration required are the size and complexity of the infrastructure.
Class 1
Class 1 addresses the administration needs of a premise that is served by a single ER. This ER is the only telecommunications space (TS) administered whereas there are no TRs and no backbone cabling or outside plant cabling systems to administer. Simple cable pathways will generally be intuitively understood and need not be administered. In order to administer cable pathways or firestopping locations, class 2 or higher administration system should be used.
The following infrastructure identifiers shall be required in class 1 administration, when the corresponding elements are present:
Class 2
Class 2 administration provides for the telecommunications infrastructure administration needs of a single building or of a tenant that is served by a single or multiple telecommunications spaces (e.g., an ER with one or more TRs) within a single building. Class 2 administration includes all elements of class 1 administration, plus identifiers for backbone cabling, multiple-element grounding and bonding systems, and firestopping.
The following infrastructure identifiers shall be required in class 2 administration, when the corresponding elements are present:
Cable pathways administration is optional.
Class 3
Class 3 administration addresses the needs of a campus, including its buildings and outside plant elements. Class 3 administration includes all elements of class 2 administration, plus identifiers for buildings and campus cabling. Administration of building pathways and spaces, and outside plant elements is recommended.
The following infrastructure identifiers shall be required in class 3 administration:
The following infrastructure identifiers are optional:
Additional identifiers may be added if needed.
Class 4
Class 4 administration addresses the needs of a multi-site system. Class 4 administration includes all elements of class 3 administration, plus an identifier for each site, and optional identifiers for inter-campus elements, such as wide area network connections. For mission critical systems, large buildings, or multi-tenant buildings, administration of pathways and spaces and outside plant elements is strongly recommended.
The following infrastructure identifiers shall be required in class 4 administration:
The following infrastructure identifiers are optional:
| Color | Pantone number | Element identified |
| Orange | Pantone 150C | Demarcation point (central office termination) |
| Green | Pantone 353C | Termination of network connections on the customer side of the demarcation point |
Purple (in USA) | Pantone 264C | Termination of cables originating from common equipment (PBXs, computers, LANs and multiplexers) |
| White (in USA) Purple (in Canada) | Pantone 264C | First-level backbone telecommunications media termination in the building containing the main cross-connect (main cross-connect to TR or main cross-connect to local intermediate cross-connect) |
| Gray | Pantone 422C | Second-level backbone telecommunications media termination in the building containing the main cross-connect (local intermediate cross-connect to TR) Purple (in USA) or white (in Canada) may be used to identify second-level backbone terminations in buildings not containing the main cross-connect |
| Blue | Pantone 291C | Termination of station telecommunications media; required only at the TR and equipment room end of the cable, not at the telecommunications outlet |
| Brown | Pantone 465C | Interbuilding backbone cable terminations (main cross-connect to remote intermediate cross-connect) |
| Yellow | Pantone 101C | Termination of auxiliary circuits, alarms, maintenance, security and other miscellaneous circuits |
| Red | Pantone 184C | Termination of key telephone systems |