Issue 3 of SR-3580, NEBS Criteria Levels, replaces Issue 2, and is a
module of FR-2063.

Equipment deployed in the network needs to be safe, reliable, and easy to
deploy. The NEBS 000(Network Equipment-Building System) standards in GR-63,
Issue 3, NEBS Requirements: Physical Protection, and GR-1089, Issue
4, Electromagnetic Compatibility and Electrical Safety - Generic Criteria for
Network Telecommunications Equipment provide uniform criteria for equipment
design intended to reduce the cost of deployment and maintain reliability of the
network.

SR-3580 groups the NEBS criteria into three functional levels (I, II, or
III). Grouping the criteria into levels helps clarify the impact of
non-conformance and allows the broad range of NEBS requirements to be
judiciously applied to equipment, based on the equipments application and
impact on the operation of the network.

SR-3580, Issue 3:

• Reflects the numerous changes made in the latest issues of GR-63 and
  GR-1089 NEBS criteria


• The NEBS criteria levels are grouped to ensure they are applicable with
  current applications of network equipment


• Addresses the appropriate criteria for collocation as required by the
  Federal Communications Commission (FCC). This is particularly beneficial to
  service providers.


• Testing to a level (1, 2, or 3) of environmental requirements will expedite
  deployments, without compromising the integrity of the base network.


• The NEBS criteria levels are particularly beneficial to emerging
  technologies, where rapid deployment is necessary to maintain competitive
  efficiencies.

NEBS requirements are the most widely used equipment design standards. They are
highly specialized for the needs of the service providers, and have provided for
robust and efficient equipment deployments for nearly 30 years.


When using SR-3580, you may want to refer to GR-63, GR-1089,
GR-974, and SR-3858.


NEBS Testing and Consulting
Telcordia is uniquely positioned to provide in-depth, expert consulting on NEBS.
Telcordia also offers a comprehensive and independent laboratory testing service
that helps manufacturers develop and qualify new products and bring those
products to market in a timely and cost-effective manner.


To obtain further information regarding NEBS Testing and Consulting services,
please contact:


Melissa Handa
Executive Director - Network and Product Integrity
Telcordia Technologies
732-699-6161
mhanda@telcordia.com