AT&T LEC TECHNICAL PUBLICATION NOTICE

E911 REQUIREMENTSAT&T Local Exchange CarriersPreface, ATT-TP-76911November 1, 1999AT&T LECTECHNICAL PUBLICATIONNOTICEThis Technical Publication is published by the AT&T Local Exchange Carriers (AT&T LEC) as aguide for the designers and manufacturers of telecommunications equipment, including theproviding of engineering and installation services relating to AT&T LEC communications systemsor equipment. It is not intended to provide complete design specifications or parameters nor theassurance of the quality of performance of such equipment.The AT&T LEC reserves the right to revise this Technical Publication for any reason, including,but not limited to, conformity with criteria or standards promulgated by governmental or regulatoryagencies; utilization of advances in the state of the technical arts; or to reflect changes in thedesign of equipment techniques or services described or referred to herein.The techniques or equipment characteristics disclosed herein may be covered by patents of theAT&T LEC or others. No license expressed or implied is hereby granted. This document is not tobe construed as a suggestion to any manufacturer to modify or change any of its products, nordoes this document represent any commitment by the AT&T LEC or affiliates thereof to purchaseany products whether or not it provides the described characteristics.In performing services hereunder, the Supplier agrees to limit its activities to those necessary andessential to performing such services, to not interfere with or misuse any non-AT&T LECequipment or facilities on or adjacent to the AT&T LEC’s facilities, to refrain from in any manneraccessing customer lines to which customer has access and to indemnify and hold harmless theAT&T LEC for any inappropriate use of material or information.This document is an unpublished work protected by the United States copyright laws and isproprietary to AT&T Knowledge Ventures. Disclosure, copying, reproduction, merger, translation,modification, enhancement, or use by anyone other than authorized employees or licensees ofAT&T companies without the prior written consent of AT&T Knowledge Ventures is prohibited.Copyright 2004-2006 by AT&T Knowledge VenturesAll rights reserved.[END OF SECTION]i

Table of Contents, ATT-TP-76911November 1, 1999E911 REQUIREMENTSAT&T Local Exchange CarriersTABLE OF CONTENTSCONTENTSPAGESECTION A--INTRODUCTION. A-11.GENERAL. A-11.1.1.2.1.3.1.4.1.5.Introduction . A-1Outline of ATT-TP-76911. A-1Definitions . A-2Ordering Information. A-2Comments On ATT-TP-76911 . A-2SECTION B--E911 EQUIPMENT REQUIREMENTS. B-11.GENERAL. B-11.1. Introduction . B-12.REQUIREMENTS. eneral . B-2PSAP Interfaces . B-2Call Progress Signals . B-4PSAP Feature Requirement Specifications . B-4Commercial Power Requirements. B-4Physical and Electrical Environment Requirements. B-4Maintenance and Administration. B-4Registration Requirements . B-5Quality and Reliability . B-5Y2K Compliance. B-5LAN Vulnerability. B-5SECTION C--SITE PREPARATION REQUIREMENTS . C-11.GENERAL.C-11.1. Introduction .C-12.CUSTOMER SITE PREPARATION REQUIREMENTS 2.12.General Requirements and Guidelines .C-1Equipment Area.C-2Structural Requirements and Guidelines.C-2Environmental Requirements and Guidelines.C-3Electromagnetic Interference .C-3Acoustics.C-3Lighting .C-3Fire Protection.C-3Electrical Protection.C-4Grounding and Bonding Information, Recommendations and Requirements .C-7AC Power Requirements and Guidelines .C-8Access .C-9SECTION E--ENGINEERING REQUIREMENTS .E-11.iiGENERAL. E-1

E911 REQUIREMENTSAT&T Local Exchange CarriersTable of Contents, ATT-TP-76911November 1, 19991.1. Introduction.E-11.2. Detail Engineer’s Responsibilities .E-11.3. General Requirements.E-22.THE JOB PACKAGE .E-22.1. Inputs to the Job Package.E-22.2. Contents of the Job Package .E-33.TECHNICAL CONSIDERATIONS.E-53.1.3.2.3.3.3.4.3.5.3.6.Power Requirements .E-5Equipment Layout.E-6Grounding and Bonding Requirements.E-6Physical Installation .E-7Cable Management .E-8Alarms.E-10SECTION I--INSTALLATION REQUIREMENTS. I-11.GENERAL . I-11.1. Introduction. I-11.2. Conformance. I-22.ADMINISTRATIVE REQUIREMENTS. I-22.1.2.2.2.3.2.4.2.5.2.6.2.7.3.Safety and Security. I-2Tools . I-3Equipment Inventory. I-3Method of Procedure . I-3Service Interruption. I-4Job Communication . I-4Job Completion. I-5WORKMANSHIP REQUIREMENTS . I-63.1.3.2.3.3.3.4.3.5.3.6.3.7.3.8.Power Requirements . I-6Grounding and Bonding Requirements. I-6Anchoring Requirements. I-6Cabling Requirements . I-6Fire Stopping Requirements. I-8Equipment Designations . I-9Equipment Removal. I-9Installer Marked Drawings. I-9[END OF SECTION]iii

E911 REQUIREMENTSAT&T Local Exchange CarriersPreface, ATT-TP-76911November 1, 1999SECTION A--INTRODUCTIONCONTENTS1.PAGEGENERAL .A-11.1.1.2.1.3.1.4.1.5.1.1.1.Introduction .A-1Outline of ATT-TP-76911.A-1Definitions .A-2Ordering Information.A-2Comments On ATT-TP-76911 .A-2GENERALIntroduction1.1.1ATT-TP-76911 provides equipment selection, site preparation, engineering, and installationrequirements for placement of E911 Customer Premise Equipment (CPE) in the networks ofthe AT&T Local Exchange Carriers (LECs).1.1.2Changes in future issues of this section will be summarized in this paragraph.1.1.3The AT&T LEC’s entire liability to any person for interruption or failure of 911 service shall belimited by the terms set forth in the AT&T LEC’s applicable tariff.1.1.4The AT&T LEC reserves the right, without prior notice, to revise this technical publication forany reason.1.1.5Conformance to all requirements delineated in this document does not constitute a guaranteeof acceptance of a given provider’s product for use in the AT&T LEC.1.1.6ATT-TP-76911 is effective as of date of issue.1.2.1.2.1Outline of ATT-TP-76911ATT-TP-76911 is divided into five major parts:a) Section A of ATT-TP-76911 contains introductory material and definitions.b) Section B provides information of particular interest to potential providers of E911 CPE.Therein are minimum requirements that E911 CPE must meet to be submitted forplacement approval in the AT&T LEC’s network.c) Section C provides requirements for preparing a customer site for an E911 equipmentinstallation.d) Section E provides detail engineering requirements for the development of jobspecifications to be used by an installer of E911 CPE.e) Section I provides administrative and workmanship requirements for the installation ofE911 CPE.A-1

Table of Contents, ATT-TP-76911November 1, 19991.3.1.3.1E911 REQUIREMENTSAT&T Local Exchange CarriersDefinitionsDefinitions of certain terms used in ATT-TP-76911 are as follows:a) Public Safety Answering Point (PSAP) - An agency or group of agencies designatedand authorized to receive and respond to emergency calls requiring one or more publicservices (Police, Fire, EMS or all three).b) AT&T LEC - AT&T Communications Inc Local Exchange Carrier.c) Shall - The word "shall" indicates a requirement.d) Should - The word "should" indicates a recommendation.1.4.1.4.1Ordering InformationInternet access is available to approved E911 equipment, engineering and installationsuppliers, for downloading electronic copies of ATT-TP-76911 and other AT&T LECreferences. Information concerning internet access can be obtained from:Vickie Jefferson111 S 3rd AVE, 1st FloorMadill, OK 73446vj6542@att.com1.4.2Non-AT&T LEC publications referenced herein should be obtained from the originator of thepublication.1.4.3All proprietary documents referenced in ATT-TP-76911 are available to contracted suppliersthrough signed nondisclosure agreements or as detailed in current contracts between theAT&T LEC and the supplier.1.4.4A summary of references in ATT-TP-76911 can be found in Table A-1.1.5.1.5.1Comments On ATT-TP-76911Comments on ATT-TP-76911 should be submitted by e-mail or in writing to:Area Manager - Network Engineering Centralized SupportLaurie GustinArea Manager102 Cross St., Room 201San Luis Obispo, CA 93406lg1376@att.comA-2

E911 REQUIREMENTSAT&T Local Exchange CarriersPreface, ATT-TP-76911November 1, 1999TABLE A-1 –REFERENCES IN ATT-TP-76911ReferenceATT-TP-76911SectionTitleNENA 04-001Generic Standards for E9-1-1 PSAP EquipmentB, ENENA 03-002Recommendation for the implementation ofEnhanced MF Signaling, E9-1-1 Tandem to PSAPB, ENENA 04-002Recommended PSAP Master Clock StandardB, ENENA 04-003Recommended Generic Standards for E9-1-1 ISDNPSAP Equipment Utilizing Basic Rate Interface(BRI)B, EFCC Part 15B, CFCC Part 68BBSP 800-006-151MPNetwork Facility Cable Rack RequirementsEBSP 802-001-180MPGrounding and Bonding Requirements Telecommunications Equipment, Power Systems,Central Offices and Other StructuresEBSP 800-000-104MPBracing Requirements For Network And DataEquipment On Raised Floor SystemETP 76200Network Equipment Power, Grounding,Environmental, and Physical Design RequirementsB, EATT-TP-76300Installation RequirementsEATT-TP-76400Engineering RequirementsEATT LEC 911 CPE Y2KTest PlanBGR-2945-COREYear 2000 Generic Requirements: Systems andInterfacesBGR-209-CORE (TelcordiaTechnologies)Generic Requirements for Product Change NoticesBGR-63-CORE (TelcordiaTechnologies)Network Equipment Building SystemRequirements: Physical ProtectionEA-3

Table of Contents, ATT-TP-76911November 1, 1999E911 REQUIREMENTSAT&T Local Exchange CarriersReferenceNational ElectricalManufacturers Association(NEMA)ATT-TP-76911SectionTitleMG1, Part 22ENational Electrical Code(NEC)C, EUniform Building Code(International Conferenceof Building Officials)E[END OF SECTION]A-4

E911 REQUIREMENTSAT&T Local Exchange CarriersSection B, ATT-TP-76911November 1, 1999SECTION B--E911 EQUIPMENT REQUIREMENTSCONTENTS1.PAGEGENERAL .B-11.1. 2.5.2.6.2.7.2.8.2.9.2.10.2.11.1.1.1.General .B-2PSAP Interfaces .B-2Call Progress Signals.B-4PSAP Feature Requirement Specifications .B-4Commercial Power Requirements.B-4Physical and Electrical Environment Requirements .B-4Maintenance and Administration .B-4Registration Requirements.B-5Quality and Reliability .B-5Y2K Compliance.B-5LAN Vulnerability .B-5GENERALIntroduction1.1.1This section provides the minimum equipment requirements for E911 Customer PremisesEquipment (CPE) to be considered for placement in the networks of the AT&T LocalExchange Carriers (LECs).1.1.2Changes in future issues of this section will be summarized in this paragraph.1.1.3The E911 equipment provider is responsible for all costs incurred to conform to this section ofATT-TP-76911.1.1.4E911 system overview, features and associated definitions can be found in the NationalEmergency Number Association (NENA) Generic Standards for E911 P

1.4.4 A summary of references in ATT-TP-76911 can be found in Table A-1. 1.5. Comments On ATT-TP-76911 1.5.1 Comments on ATT-TP-76911 should be submitted by e-mail or in writing to: Area Manager - Network Engineering Centralized Support Laurie Gustin Area Manager 102 Cross St., Room 201 San Luis Obispo, CA 93406 lg1376@att.com