BELL SYSTEM PRACTICES SECTION 000-000-005 AT&TCo Standard Issue 4, April 1982

MASTER NUMERICAL INDEX

ALL DIVISIONS

1. GENERAL Division Number Subject 1.01 This section provides a numerical listing of all indexes released as Bell Sys­ tem Practices and the subjecHsl covered by each. 026-000-000 Banks, Clutches, Commutators and Commutator Brushes, Ele�otor Apparatus, Multiple Brushes 1.02 A bullet lei indicates an item tflat has been added or changed since the and Rods, and Trip Rods lor Panel Offices -

previous issue of the index. · Circuit Brea�ers, Compensators, Contoctors, Control Panels, Fuses and Mountings, Magnetic 1.03 A square ![]l indicates o canceled item. Information relating to the cancel­ Switches, Selectors, and Starters lation, if necessary, will be shown in a note following the item. Canceled items and related notes will be deleted upon reissue of the index. 028-000-000 Autotransformers, Bells, Buzzers, Dials, Dial Adapters and Mountings, Gongs, Head Tele­ 1.04 lithe number shown below ends in -000-000, it is the numerical index for phone Sets, Headsets, Potentiometers, that division. Any other number indicates an index such as alphabetical, Rheostats, Ringers, and Sounders permuted, interdivisional, etc. 030-000-000 Calculogrophs, Call Timing Switch, Cameras, 2. MASTER NUMERICAL INDEX Clocks, Counters, Photo Processors, Registers, Selector Multiple Designation Cards, Switches, Division Tape Printers, Ticketers, Timers, and Time Stamp Number Subject 032-000-000 Capacitors, Connectors, Cords, Cord Reels, 000-0) GENERAL INFORMATION Diodes, Drops, Jacks, Keys, lamps, Plugs, Re.sis­ 019-0) tors, Signals, Sockets, Thermistors, Transistors, and Varistors 000-000-000 General Information- Practices 034-000-000 Distributors, Regenerators, and Regenerative Re­ 000-000-001 Master Alphabetical Index- All Divisions peaters for Teletypewriter Service - AMA Tope Reels and Reeler, Cleaning Cabinet, Perlo­ 000-000-005 Master Numerical Index - All Divisions rato�s, Readers, Recorders, Recorder­ Reproducers, Tape Announcing Machine, and 000-000-006 Index of Maintenance Practices Available in Translators Handbook Size 040-000-000 Relays

000-000-007 Master Alphabetical Index � Task Oriented Prac­ tices 056-0) MISCELLANEOUS EQUIPMENT, MATERIALS, 0�9-0) CIRCUITS, AND METHODS 00 l-000-000 !Reserved for Company-Issued • 065-000-000 Miscellaneous Equipment and Materials 002-000-000 Administrative Practices. The 067-000-000 Concentrators 003-000-000 Number Assignments are to be 069-000-000 Miscellaneous Methods 004-000-000 Made locally.! 074-0) TOOLS AND GAUGES 005-000-000 Abbreviations, Definitions, Drawings, Requirement 099-0) Tables, Specifications, and Symbols 07 4-000-000 Catalogue Information- Tools 006-000-000 Microfilm Systems 07 4-000-001 Index of Tools- Switching System and Power • 007-000-000 Information Systems 075-000-000 Tools and Materials {Common Usagel- Mainte­ 0 l 0-000-000 General Methods nance, Selection, and Use

020-0) COMMON 076-000-000 Tools and Materials - Switching Systems and 021-0) Power- Maintenance, Selection, and Use

020-000-000 General Information- Divisions 020 to 178 In­ 080-000-000 Tools and Materials- Customer Equipment clusive 081-000-000 Tools and Materials - Outside Plant 022-0) APPARATUS 049-0) 084-000-000 Catalogue Information - Gauges - Electrical Indicating Instruments and Meters 024-000-000 Amplifiers, Controllers, Control Units, Regulators, and Electron Tubes 084-000-00 l Alphabetical Index- Gauges - Description

NOTICE Not for use or disclosure outside the Bell System except under written agreement

Printed in U.S.A. Page"l SECTION 000-000-005

Division Division Number Subject Number Subject

085-000-000 Gouges !Common Usage! - Maintenance, Se­ 21 1-000-000 No. 1, 3, 5, and 6 Toll Offices; No. 1, 3, 5, and lection, and Use 6 Toil Switchboards; and No. 6A Teletypewriter Switchboard 1GO-O) TEST EQUIPMENT 109-0) 212-000-000 No. 4A and 4M Toil Switching Systems

100-000-000 Test Equipment, Electrical Indicating Instruments 215-000-000 Panel Offices and Meters !Common Usage! - Maintenance, Selection, and Use 216-000-000 No. 1 Crossbar Offices

102-000-000 Test Equipment, Electrical Indicating Instruments 218-000-000 No. 3, No. 5, and No. 5A Crossbar Offices and Meters !Switching Systems and Pawed - Maintenance, Selec!ion, and Use 218-000-00 1 Alphabetical lncjex.- No. 5 Crossbar

103-000-000 Transmission Test Equipment 218-000-002 Alphabeticol Index - No. 5A Crossbar

104-000-000 Radio Test Equipment 218-000-003 Alphabetical Index - No. 3 Crossbar

105-000-000 PBX and Station Test Equipment 218-779-000 Alphabetical Index - No. 5 Crossbar Offices - Arronged With Call Data T ronsmitter 106-000-000 Outside Plant Electrical Test Equipment

218-799-000 Alphabetical Index - No. 5 Crossbar Offices - Data and Teletypewriter Test Equipment 107-000-000 Arranged With Electronic Translation System

155-0) POWER 220-000-000 Crossbar Tandem Offices 178-0)

225-000-000 Testing Information Applying to Specific Step-by­ Alternators, Engine-Alternators, Gas Turbine Al­ 155-000-000 Step and Community Dial Offices ternators, Tone Alternators, Tone Machines, Ringing and Coin Control Generators, Charging 226-000-000 Equipment Common to More Than One Type Generators and Motor-Generators Step-by-Step and Community Dial Office

157-000-000 Batteries 226-000-005 Alphabetical Index - Step-by-Step and Commu­ nity Dial Offices 159-000-000 Engines and Engine Sets, Motors, Dynamotors, and Drives 227-000-000 General and Testing Information Applying to lntertoll Dialing, CAMA, AMA, ANI, 161-000-000 Speed Reduction Units, Converters, Inverters, Air­ "TOUCH-TONE®" Calling and Common Con­ Dryers, Compressors, Compressor­ Dehydrators, Dehydrators, Exhauster Sets, Fans, trol Equipment - Step-by-Step Systems Tube Cooling Systems, Ventilating Equipment, Call Announcer Machines, and Waveguides 230-000-000 Data Network Systems

230-100-006 T raosoctioo Network - Reference and Supple­ 163-000-000 Interrupters, Ringing Machines, and Pole Changers mental Information

167-000-000 Power Plants, Power Units, and Power Supply 231-000-000 No. 1 and No. lA Electronic Switching Systems IESSl 169-000-000 Rectifiers and Filament Supplies

Alphabetical Index of Divisioo Section Titles 171-000-000 Miscellaneous Power Circuits and Equipment 231-000-001 231 =No. 1 and. No. lA Electronic Switching Sys­ 179-0 SIGNAUNG EQUIPMENT tems

179-000-000 Signaling Circuits and Associated Ringer Circuits 232-000-000 No. 2 Electronic Switching System IESSl

190-0 OPERATIONS SUPPORT SYSTEMS 233-000-000 No. 3 tledronic Switching System IESSl

• 190-000-000 Operatioos Centers and Support Systems - 233-000-010 Interdivisional Numerical Index - Excluding Divi­ Operations, Maintenance, and Administration sion 233 - No. 3 Electronic Switching System

200-0) SWITCHING SYSTEMS 234-000-000 No. 4 Electronic Switching System IESSI 289-0) 234-000-005 Interdivisional Numerical Index - No. 4 Elec­ 201-000-000 Supplemental Information - Central Offices tronic Switching System

201-000-005 Alphabetical Index for Division 201 • 235-000-000 No. 5 Electronic Switching. System IESSI

205-000-000 Automatic Data Test Circuits 240-000-000 No. 1 01 Electronic Switching System IESSl

210-000-000 Service Observing, and Plant and Traffic Desks • 241-000-000 General Trade Switching Systems

Page 2 ISS 4, SECTION 000-000..005

Division Division Number Subject Number Subject

250-000-000 Trallic Service Systems 359-000-000 l3, l4, L4S, L5, and LSE Carrier

252-000-000 Traffic Management Systems 360-000-000 Maintenance Center Tests - Equipment Compo­ nents- T}'pe l1 and l3 Carrier T�lephone Sys­ 254-000-000 Stored Program Control tems

255-000-000 Processor Controlled Ancillory Systems 361-000-000 Service Center Tests - fYpe N, 0, and ON Carrier Systems 255-000-010 Interdivisional Numerical Index - No. 1 A Voice Storage System 362-000-000 Type N, 0, and ON Carrier Systems and Associated Equipment Components • 256-000-000 Common Channel Signaling System ICCSSI 363-000-000 Pair Gain Systems 300-0) TRANSMISSION AND SIGNAUNG SYSTEMS AND TESnNG 379-0) 364-000-000 Submarine Coble Systems !long lines Only!

300-000-000 Transmission Systems and Testing - Cross­ 365-000-000 Digital Transmission Systems Reference l.ists 370-000-000 TASI !long Lines Only! 301 -000-000 T ronsmission Performance Measurement Plans 371-000-000 Broadband Restoration 302-000-000 Transmission Test Line Directories 400-0) RADIO 304-000-000 Transmission Data 449-0)

309-000-000 Switched Services Networks 400-000-000 Radio Administration

310-000-000 Nonswitched Special Services System 402-000-000 Antennas, Transmission lines, and Waveguide

311-ooo:ooo Switched Special Services Systems 403-000-000 Coastal Harbor, High Seas, Overseas, and Emer­ gency Point-to-Point Radio 312-000-000 Private Line Data Systems and Services 404-000-000 Manual Mobile Radio 314-000-000 Digital and Analogue Data Transmission Systems 405-000-000 MJ, MK, and Ml Mobile 318-000-000 Television Systems 406-000-000 Air-Ground Radio 320-000-000 Program Transmission Systems and Services 407-000-000 Personal Radio Services 330-000-000 Cable and Open-Wire Testing and Trouble loca­ tion Methods 408-000-000 Motorola, RCA, Federal, REL, Narrowband Auxil­ iary Channel and Other Non- 331-000-000 Transmission Noise Testing, Central Office PBX Microwave Radio, and TV Off-the-Air Pick-Up Customer lines and Equipment Services

332-000-000 Voice-frequency Telephone Repeaters, Pilot 409-000-000 TE, TJ, Tl, and TM Microwave Radio Wire Regulators, Echo Suppressors, Composite Sets and Associated Equipment 410-000-000 TD-2 Microwave Radio

333-000-000 Interoffice Signaling Systems and Testing 4 11-000-000 TD-3 Microwave Radio

340-000-000 PICTUREPHONE® Services - Baseband Video 412-000-000 TH-1 Microwave Radio Transmission 413-000-000 TH-3 Microwave Radio 341-000-000 PICTURHHONE® Transmission - Performance Plan 415-000-000 TD-3D Microwave Radio

354-000-000 frequency Generating Systems 416-000-000 TN" 1 Microwave Radio

355-000-000 Type K Carrier Telephone Systems and Associ­ 417-000-000 3A-Radio Digital Systems ated Equipment Components 419-000-000 Single Sideband Microwave Radio Systems 356-000-000 Analog Multiplex Terminal Equipment 420-000-000 Microwave Radio - Common Equipment 357-000-000 Wire-Line Entrance Links and Broadband Entrance Links and Interconnection • 421-000-000 fR/DR Microwave Radio System

358-000-000 Type·t I Carrier Telephone System and Associ­ 422-ooo�ooo Common Microwave Radio- Transmission Sys­ ated Equipment Components tems

Page 3 SECTION 000-000-005

Division Division Number Subject Number Subject

460-0) CUSTOMER EQUIPMENT • SIB-451-110 HORIZON"' Communications System - Feature 599-0) Document Cross-Reference Guide

460-0) COMMON TO CUSTOMER EQUIPMENT 529-000-000 Station Apparatus and Equipment Intended Solely 469-0) for Speciolly-�ngineered lines -Not for Gen­ eral Telephone Use 460-000-000 General Information 530-0) PRIVATE BRANCH EXCHANGES 460-000-006 Alphabetic-Numeric Index - Station, Key, PBX, 559-0) and Private Service Systems 533-000-000 Customer Premises Systems lESS Provided Cus­ 461-000-000 Wiring and Cabling tomer Services!

462-000-000 Drop and Block Wiring and Dedicated Plant 533-000-00 I lnterdivisio.ooJ AlpJ1Cmumeri<; Jmiex - ESS­ ProVided Services - Custonler Premises Sys­ 463-000-000 Miscellaneous Station Apparatus for Use With tems Station Installations 534-000-000 Sections Applyi>ng to More Than One PBX Series 470-0) SPECIAL SERVICES - 500, 600, 700, and 800 Series- Manual 489-0) and Dial PBX

471-000-000 Other Common Carriers 536-000-000 500 Series PBX

473-000-000 lntro-PBX Protection of Service, Code Co�ing, 538-000-000 600 Series PBX Customer Training, Dispatching, Emergency Reporting, Interface Trunks, Message Waiting, 540-000-000 Sections Applying to More Than One 700 Series Recorded Telephone Dictation, Telephone An­ PBX Including Centrex CU, Attendant Equipment swering Systems, and Tronsmitler Transfer lor Centrex CO, and "TOUCH-TONE"'" Call­ ing 475-000-000 Coli Distributing System No. IS, Information Desks, and Order Turrets 541-000-000 700C and 71 OC PBX

47 6-000-000 Force Administration Data System IFADSI- Au­ 542-000-000 701- and 711-Type PBX tomatic Coli Distributing System IACDI, No. 2A, 28, and 3A and Call Distributing System No. 4A 543-000-000 702A PBX

480-000-000 Private Service Systems 546-000-000 740- Type PBX

• 48 1-000-000 T eleconlerencing Service 548-000-000 750A PBX

500-0) STATION EQUIPMENT 550-000-000 755A PBX 529-0) 551-000-000 756 A, 757 A, 758 A, 758B, 7 58C, 76 I, and 770 500-000-000 General Considerations for Station Installations PBX

501-000-000 Station Set Components 553-000-000 800 Series PBX

502-000-000 Common Battery Station Sets .554-000-000 ''DIMENSION�>" PBX

503-000-000 Modular Station Sets- Common Battery ""DIMENSION"'" PBX- Feature Document Ref­ erence Guide 504-000-000 Selector Consoles, Telephone Consoles, and Apparatus Units 570-0) TB.ETYPEWRITER AND OTHER 589-0) DATA TERMlNALS 506-000-000 Public Telephone Sets 570-000-000 Teletypewriter General Information - Miscello­ 508-000-000 Public Telephone Enclosures and Miscellaneous ·neous Apparatus and Auxiliary' Equipment Accessories 570-000-003 Moster Cross-Reference Index of Port Numbers

5 I 0-000-000 Station Sets and Coin Collectors � local Battery and Associated 9-0igit Sections and Magneto 572-000-000 N-, 15-, 19-, and 20-Type Teletypewriters 512-000-000 Automatic Dialers, Station Keys, Key Equipment, lnterphone Systems, Modular Units, and Speak­ 573-000-000 28- Type Teletypewriters erphone Systems 57 4-000-000 Teletypewriter 30 Series and 514-000-000 Telephone Answering and Announcement Sets and Systems 578-000-000 Miscellaneous Data Terminols

518-000-000 Key Telephone Systems, Video Telephone Sta­ 579-000-000 Teletypewriter Field Maintenance Practices/Field tions, and Switching Systems Installation Maintenance Practices

Page 4 ISS 4, SECTION' 000..()()()..005

Division Division Number Subject Number Subject

580-000-000 Teletypewriter Switching Systenis 638-000-000 Electrical Protection and Bonding

581-000-000 Teletypewriter Selective Calling Systems 639-000-000 Concentrators - Outside Plant

582-000-000 DATASPEED"' Services- Systems, Services and 640-000-000 Outside Plant- Carrier Apparatus Components 643-000-000 Coil and Capacitor Cases and Apparatus Cases 590-0) DATA SYSTEMS for Inductors and Filters 599-0) 644-000-000 Upkeep 590-000-000 General Information 649-000-000 Construction Equipment- Outside Plant !also see 591-000-000 1 00 Series Data Sets and Associated Services Divisions 010,075, 081, 106, and 1571

592-000-000 200 Series Data Sets and Associated Services 660-0) TEST CENTER OPERATION 669-0)

593-000-000 300 Series Data Sets and Associated Services 660-000-000 Test Cenier Operation

594-000-000 400 Series Data Sets and Associated Services 660-000-005 Alphabetical Index- Test Center Operation IDi- visions 660 Through 6691 595-000-000 500-Type Service Units and Sets for Digital Sys­ tems/Services • 660-168c01 0 Automated Repair Service Bureau- Documento- lion Index 596-000-000 600 Series Data Sets and Associated Services

662-000-000 Coble and Local Test Desks and Local Test Cobi- 598-000-000 800 Series Auxiliary Equipments nets 620-0) OUTSIDE PLANT 649,-0) 664-000-000 Testboards for Other Than Special Services

666-000-000 T estboords and Test Positions for Special Services 620-000-000 General

667-000-000 Switched Maintenance Access Systems ISMASI 620-000-005 Outside Plant - Construction and Maintenance - Permuted Alphabetical Index 668-000-000 Data Test Centers

621-000-000 Pole Lines 680-0) LOOP .ASSIGNMENT 689-0) 622-000-000 Conduit,. Manholes, and Cable Vauks

• 680-000-000 Loop Assignment - Distribution Service 623-000-000 Open Wire

680-000-005 Alphabetical Index - Plant Assignment - Divi­ 624-000-000 Mult.iple Wire sions 680 'rhrough 689-

626-000-000 Cables, Wire, and Apporatus - General 680-400-010 Index - Telephone Set field Inventory Control

627-000-000 Aerial, Block, and House Coble 682-000-000 Trunk Plant and Special Services

628-000-000 Underground Coble 720-0) MOTOR VEHIQES 729-0) 629-000-000 Buried Plant

720-000-000 Motor Vehicles and Construction Apparatus 630-000-000 Submarine Cable 740-0) MATERIALS MANAGEMENT 631-000-000 Cable Terminals 749-0)

632-000-000 Cable Splicing 7 40-000-000 General Information

633-000-000 Splice Closures • 7 40-000-001 Overall Supplies - Divisions · 7 40 ih[ough 74 9

634-000-000 Electrical -Cable Testing and Identification • 740-000-002 Materials Management Operations Safety Proce- dure References 635-000-000 Electrolysis- Outside Plant 741-000-000 Supporting Functions 636-000-000 Main Frame Terminations and Connectors 7 42-000-000 Supply Controls 637-000-000 Cable Pressure Systems 7 43-000-000 Supply Ordering and Computer Controls • 637-600-011 Expanded Cable Pressure Monitoring System ll.PMSI 7 44-000-000 Supply Distribution

Pag•·S SECTION 000..000..005

DiYision Division Number Subfect Number Subject

745-000-000 Material Returns 80 l-000-000 Common Systems

7 46-000-000. Supply Functions- Miscellaneous 802-000-000 Power Systems

• 7 47-000-000 Plug-In Equipment- Central Office and Customer 804-000-000 Toil· Systems Premise Switching 806-000-000 Radio Systems and Television Systems 750-0) BUSINESS INFORMATION SYSTEMS 759..0) 807-000-000 Data Systems

750-000-000 BISP General 809-000-000 Private Branch Exchange Systems

7 51-000-000 Common language 81 J -000-000 Private Service Systems

756-000-000 a ic Trunks and Speci l Serv es 812-000-000 Station Systems

760-0) BUILDINGS 814-000-000 Step-by-Step Systems 779..0)

815-000-000 Panel Systems 760-000-000 Building Engineering

8 I 6-000-000 No, I Crossbar System 760-000-005 Alphabetical Index- Divisions 760 and 770- Building Engineering and Building Operation 817-000-000 Tandem Crossbar System

770-000-000 Building Operation 818-000-000 No. 4 Type Toil Switching System 780-0) ENGINEERING PLANNING 8 I 9-000-000 789-0) No. 3, No. 5, and No. SA Crossbar Systems

820-000-000 No. I, I A, 2, 2A, 3 and 4 Electronic Switching 780-000-000 Network Operations Methods Systems and No. I A Processor

780-000-0 I 0 Interdivisional Numerical Index - Network Ad­ 821-000-000 Traffic Service Systems ministration

822-000-000 Tralfic Management Systems 781-000-000 Technical Planning

823-000-000 No. I 0 I Electronic Switching System 788-000-000 Business Services Planning and Operations

824-000-000 Operations Support Systems 788-100-100 Cross-Reference Index- Business Services Facil­ ities Engineering Practices IBSFEPI to Bell System Practices • 825-000-000 Common Channel Signaling System ICCSSJ

788-100-101 RecOmmended Document list - Business Service 850-0) TRANSMISSION ENGINEERING Traffic Engineering 889..0)

788-102-100 Cross-Reference Index- Business Services Facil­ 851-000-000 Special Services Systems - Engineering Design ities Administrative Practices IBSFAi'l to Bell Sys­ Information tem Practices 852-000-000 Exchange. Area .and Operator Serv.ices Transmis­ 788-102-101 Recommended Document List - Business .Sefvii::e sion Traffic Administration 853-000-000 Toil Transmission 790-0 ENGINEERING ADMINISTRATION 855-000-000 Carrier Engineering 790-000-000 Engineering Administrative Practices 856-000-000 Mechanized Transmission EnQineerinQ Tools 795-0 COMMON lANGUAGE 857-000-000 Program and Television Engineering 795-000-000 Common language 859-000-000 Signal Transmission - Engineering Consider­

795-200-006 Alphabetical Index of Basic, Codes ...._ Common a(IQriS longuage Equipment Identification ICLEII 860-000-000 PICTUREPHONE"' Servic& Trdnsiliission Engineer­ !100-0) EQUIPMENT DESIGN AND GENERAL REQUIREMENTS ing 839-0) 865-000-000 T ransmisslon Maintenance Systems Engineering 800-000-000 Cross-Reference lists, Administrative Information, General Equipment Requirements lor Installation 870-000-000 Noise Engineering and Manufacturing, and General Performance Requirements 873-000-000 Inductive· Coordination

Page6 ISS 4, SECTION 000-000-005

Division Division Number Subject Number· Subject

874-000-000 Supply SystE1ms Data 936-000-000 Management Controlling

876-000-000 Protection Practices 937 c000-000 Management Coordinating

877-000-000 Corrosion Practices 940-0) RADIO ENGINEERING 944-0) 880-000-000 Data Communications Engineering 940-000-000 Radio Engineering 900-0) OUTSIDE PLANT ENGINEERING 939"0) 95G-0) GENERAL DESCRIPTIVE INFORMATION 989-0)

900-000-000 General lnlormation 951-000-000 Equipment Common to More Than One Type of System 900-000-100 Permuted Index - Outside Plant Engineering

953-000-000 Switchboard, Desks, and Associated Equipment 901-000-000 Facility Planning- Study Method$ and T oafs

955-000-000 Step-by-Step and Community Dial Offices 902-000-000 Facility Planning - Applied Transmission

957-000-000 No. I Crossbar Offices 915-000-000 Facility Design - Systems

958-000-000 No. 5 Crossbar Offices 916-000-000 Facility Design- Feeder Facilities

966-000-000 Electronic Switching Systems IESSI 917-000-000 Facility Design - Distribution Facilities

970-000-000 Transmission Systems 918-000-000 Facility Design- Applied Protection

0 972-000-000 Teletypewriter and Data Systems 919-000-000 facility Design - Structure Information Obsolete

920-000-000 Facility Design - Trunk Facilities 975-000-000 Signaling Systems

928-000-000 Facility Support- �ngineering Support Func:tions 981-000-000 Equipment on Customers' Premises ISpecial Ser­ vices and Private Branch Exchanges! 929-000-000 Outside Plant Facility Support- Plant Operating Support functions 982-000-000 Private Service Systems

930-000-000 facility Support- Maintenance and Upkeep 984-000-000 Traffic Service and Traffic Management Systems

935-000-000 Management Organizing

Page 7 7 Pages