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Generic Requirements for Fiber Optic Splice Closures


Document Number GR-771
Issue Number 02
Issue Date Jul 2008
Replaces TA-NWT-000771 Issue04
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    ABSTRACT: This Generic Requirements (GR) document sets forth the Telcordia view of proposed generic technical requirements and characteristics
    required of fiber optic splice closures. It is Telcordia's view that these requirements be met in order to meet the needs of a Service
    Provider.

    This document provides criteria for analyzing fiber optic splice closures used in a variety of outside plant (OSP) environments and
    applications, including those used in building entrance facilities. Included in this document are proposed functional design criteria,
    generic mechanical and environmental requirements, desired features, and the performance tests for comparing fiber optic splice
    closures with the stated requirements. In many cases, the requirements contained in this document are specific to certain closure
    applications. Organization of these requirements is such that application-specific requirements are identified separately from
    requirements that are common to all closures. This departure from a UNIVERSAL set of requirements represents the most substantial
    change to this document. It is intended to permit splice closures designed for specific applications to be available at lower cost than
    "universal" closures. The performance tests for analyzing fiber optic splice closures are intended to reflect a composite picture of
    standard installation and operating conditions.

    GR-771 is the one document that contains all the general, electrical, mechanical and environmental requirements for fiber optic
    slice closure products. This document is referred to by major service providers as the base requirements for these products.
    Requirements and test methods are contained in this GR document.

    Issue 2 of GR-771:
    • A broadened scope to cover both fiber optic splice closures and terminals

    • Inclusion of optical monitoring for mechanical and environmental tests

    • New procedures and test methods

    • Updates and changes to mechanical and environmental test procedures and test sequences

    • Application-specific requirements are identified separately from requirements that are common to all closures. This is intended to
      permit splice closures designed for specific applications to be available at lower cost than "universal" closures.

    The following documents were fully or partly replaced by GR-771: TR-NWT-000771, TA-NWT-000771, TR-TSY-000005, TR-TSY-000262,
    TA-TSY-000265, TA-NWT-001368, and TA-633-23343-84-01.

    When using GR-771, you may need to refer to GR-63, GR-454, GR-839, GR-20, GR-2759, TR-TSY-000103,
    GR-409, GR-769, TR-TSY-000843, TR-NWT-001001, TR-NWT-001121, TR-NWT-001322, UL 94, and several ASTM test
    specifications. You may also want to refer to GR-1380.


    Components of this product are:
    GR-771-CORE

    Table of Contents:

    View Table of Contents


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