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Equipment Physical Design Standards ATT-TP-76200, Issue 19

AT&T Services, Inc. June 2014

Equipment Evaluation Types

New Product (ESR-003 and/or ESR-001)

New Product requirements refer to a subset of requirements that apply to all new

equipment systems proposed for use in the AT&T communications network. New

Products shall be evaluated for compliance to all applicable Level 3 and/or Level 1 testing

and requirements.

Ancillary (ESR-ANC) (Level 1 or 3). Ancillary requirements refer to a subset of

requirements that apply to additions to or changes to equipment previously approved for

use in AT&T.If a change to an existing product, or sub-system of the product, results in

the assignment of a new CLEI code, the product shall be evaluated for compliance to

Ancillary requirements. See Appendix B for guidelines applicable to special

considerations for testing of enhanced products.

Product Change Notices (PCN). PCNs indicate a change to existing equipment that has

been previously evaluated for compliance to this document. PCNs must be evaluated for

their effect on the equipment’s ATT-TP-76200 compliance.

• When the manufacturer, a test lab or AT&T Services determine that the PCN may

affect the equipment’s ATT-TP-76200 compliance, the modified equipment must be

tested per ATT-TP-76200, Ancillary Requirements (ESR-ANC).

NOTE: Depending on engineering judgment, not all requirements may need to be

tested.

• When it is determined by the manufacturer, using sound engineering judgment, that

a hardware or software change does not impact the equipment’s ATT-TP-76200

compliance, the manufacturer may submit a letter of attestation to this effect. See

Appendix A, paragraph 16.8.

NOTE: Except when it is obvious that the PCN will not affect the equipment’s

compliance, AT&T Services recommends that an accredited, third party,

independent laboratory evaluate whether testing is required to verify compliance.

Equipment Requirement Levels

Level-One (ESR-001-XXX). Level One refers to a subset of ATT-TP-76200 requirements that

forms the minimum acceptable safety requirements necessary to protect personnel and

the network. Level One is applicable for Collocator’s equipment and may be applicable

for AT&T equipment that is not critical to the network or otherwise specified by AT&T

(e.g. monitoring and test equipment).

Level-Three - (ESR-003-XXX). Level Three refers to the maximum applicable ATT-TP-76200

safety and environmental reliability requirements for equipment deployed in the network.

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