What is NEBS?

NEBS (Network Equipment - Building System) is the most common set of safety, spatial and environmental design guidelines applied to telecommunications equipment in the United States. NEBS is why telephones work after an earthquake or thunderstorm!

The NEBS concept was first introduced by Bell Labs in the 1970s to simplify the design and deployment of telecommunications equipment in the Bell System. Telcordia, and its predecessor, Bellcore, has maintained the NEBS documents since the divestiture of the Bell System in 1984. NEBS requirements are utilized all over the world for a host of commercial, utility and defense applications. Still, the most frequent application of NEBS is to design and test equipment intended for use in Regional Bell Operating Company (RBOC) central offices.

What are NEBS Criteria?

• Criteria for personnel safety, protection of property, and operational continuity
• Covers both physical and electrical protection concerns
• Largely based on national/international standards of FCC requirements
• Unique in focus on US telecommunications facility environment

The core NEBS documents are available as a set, FD-NEBS-01, NEBS™ Physical and Electrical Protection, and include:

• GR-63, Issue 3, NEBS™ Requirements: Physical Protection
• GR-1089, Issue 4, Electromagnetic Compatibility and Electrical Safety — Generic Criteria for Network Telecommunications Equipment
• SR-3580, Issue 3, NEBS Criteria Levels

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Other NEBS Related Documents:

• GR-3160, NEBS™ Requirements for Telecommunications Data Center Equipment and Spaces
• SR-3580, NEBS Criteria Levels
• GR-1217, Generic Requirements for Separable Electrical Connectors Used in Telecommunications Hardware
• GR-78, Generic Requirements for the Physical Design and Manufacture of Telecommunications Products and Equipment
• GR-468, Generic Reliability Assurance Requirements for Optoelectronic Devices Used in Telecommunications Equipment
• GR-357, Generic Requirements for Assuring the Reliability of Components Used in Telecommunications Equipment
• GR-3028, Thermal Management In Telecommunications Central Offices: Thermal GR-3028
• GR-1221, Generic Reliability Assurance Requirements for Passive Optical Components
• GR-2930, Network Equipment Building System NEBS(TM) Raised Floor Generic Requirements for Network and Data Centers
• GR-2969, Generic Requirements for the Design and Manufacture of Short-Life Information Handling Products and Equipment
• ROADMAP-TO-NEBS-1, Telcordia Roadmap to NEBS Documents
• FR-2063, Network Equipment-Building System (NEBS™) Family of Requirements (NEBSFR)

NEBS Technical Services

Telcordia Technologies offers customized NEBS consulting, testing and analysis services focusing on the interaction between telecommunications network equipment and its environment, emphasizing service continuity and integrity under normal and extreme operating conditions. Our customers include manufacturers of telecommunications products, as well as many service providers (RBOCs, CLECs, wireless service providers and PTTs).

Click Here to review the complete NEBS Technical Services that Telcordia offers.