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Common Systems Connection Standards AT&T Services, Inc
Date: August 31, 2007 ATT-TP-76450, Issue 9
Copyright ©2004 – 2006, AT&T Knowledge Ventures
All rights reserved
Page 2
GENERAL
1.1 Requirements
This document provides the requirements for interconnection of new equipment in the AT&T
Local Exchange Carrier and AT&T Corporation networks. The appendices include the ATT
equipment evaluation process to be used to verify compliance to these requirements.
1.2 Purpose
The AT&T Local Exchange Company’s and AT&T Corporation’s networks is designed around
fundamental standards for the purposes of meeting interconnection, safety, and industry
standards such as ANSI, space considerations, and compatible technologies. New equipment
is required to integrate into the network seamlessly (fit, form and finish), without the impact or
cost pressure to compensate for the product introduction.
The purpose of this section is to provide equipment suppliers with an overview of the AT&T
network interconnection requirements most commonly encountered as non-compliant with new
equipment and a process for relaying information about compliance to these requirements.
This document is not intended to be a comprehensive list of all AT&T interconnection
requirements. A product's compliance with the requirements and objectives of this section will
not be the sole basis for the acceptance of the product, however noncompliance with one or
more of the requirements or objectives of this section may be the basis for a product's denial of
purchase.
1.3 Scope
Unless otherwise stated, the requirements contained herein apply to equipment systems and
assemblies intended for installation in network equipment buildings, equipment areas within
buildings, electronic equipment enclosures such as controlled environmental vaults, outside
electronic equipment cabinets, and customer locations.
1.4 Pre-assembled versus Field Assembled Network Equipment
Network Equipment layouts provided as overall solutions need to be reviewed in one of two
ways regarding the applicability of Common Systems components and products. ATT Local
Exchange is only concerned with the connectivity and interconnection issues between the OEM
equipment and the telco facilities for Common Systems evaluations. OEM requirements
internal to the Network Equipment hardware are not reviewed under this documentation.
OEM connectors and external contact points will meet the requirements contained in this
document for performance, reliability and suitability. The use of a “Plug & Play” system using
internal self contained Network Elements must also meet ATT standards contained in TP
76200.