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536-520-110 i1 Nov52 - 552B 552E PBX - General Description
Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender. BELL SYSTEM PRACTICES SECTION 536 520 110 Plant Series Issue 1, 11 14 52 AT&T Co Standard GENERAL DESCRIPTION 5528 AND 552E PBX Contents Page battery from all of the PBX...
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BTL X-63940 Apr60 - The Electronic Switching System
11MB. 365 pages. Preface by C. L. Lovell, Bell Labs, PRIVATE EDITION, Morris, IL Electronic Central Office, Trial Installation. Contributed by Astrid Smith, Connections Museum. Missing page supplied by Steph Kerman and integrated by Karl Brose. TCI...
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CD-26428
Please send some good keywords to be added here. Contributed by Martin Harriss. Processed by Paul Fassbender. CIRCUIT DESCRIPTION 7 CD 26428° 0l ISSUE 1 APPENDIX lD DWG ISSUE 2D CROSSBAR SYSTEMS NO. 3 RECORD!NG COMPLETING OR SPJ!:CIAL SERVICE PLUG...
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473-185-210 i2 Oct65 - Transmitter Transfer Unit - ID Install Conn Maint
Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender. BELL SYSTEM PRACTICES SECTION 473 185 210 Plant Series Issue 2, October, 1965 AT&TCo Standard TRANSMITTER TRANSFER UNIT IDENTIFICATION, INSTALLATION, CONNECTIONS, AND...
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CD-26401
Please send some good keywords to be added here. Contributed by Martin Harriss. Processed by Paul Fassbender. CD 26401 01 ·ISSUE 1 DWG ISSUE 1 CIRCUIT DESCRIPTION 10 l CROSSBAR SYSTEMS NO. 3 RECORDING COMPLETING OR SPECIAL SERVICE ·. PLUG ENDED TRUNK...
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1925 - AT&T SxS Equipment Engineering Notes - Part 3 of 3
115pp. Includes: Equipment Engineering Notes Divisions IX X 604 pages in all three parts. Contributed by John Novack AT&T SxS Equipment Engineering Notes 1925 Part 3 TCI Library: www.telephonecollectors.info TCI Library:...
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ATT BTC-79 i1 Mar82 - Training Course Maint Admin HB
164 pages. 418 454. Business Screening Maintenance Administrator Handbook. Contains profiles of a broad range of products from the early 1980s. Contributed by Shane Young. Processed by Paul Fassbender. Keywords from the Table of Contents: Call...
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AE EM-ASI-1 i1 1960 - P-A-X Auxiliary Services Index
Covers: Conference, Code Call service, Pickup service, Toll restriction service, Executive quick call service, Public address cut in service, Executive right of way service, Paging telephone service, Direct line service, Secretarial answering service,...
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Switchboard lamps Bell Labs ES-170518 i8
by Remco Enthoven RELAY DATA TELEPHONE SYSTEMS SWITCHBOARD LAMPS 8£LL TELEPHONE LABORATORIES INC. E5 1705l8 RELAY DATA TELEPHONE' SYSTEMS INFORMATION .SWITCHBOARD LAMP.S 1617181 I I I I 155UE TYPE VOLT S CURRENT AT RATED VOLTAGE F7LAMENT RFJTING MIN....
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Ericsson Sep46ca - Private Automatic Exchanges w/ phones
23 pages. Contributed by Ashley Simmons. Processed by Remco Enthoven and Paul Fassbender. TCI Library: www.telephonecollectors.info ,PRIVATE AUTOMATIC EXCHANGES Manufactured at Telephone Works, Beeston, Nottingham CONTRACTORS TO: The British Post...
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Component Specifications, Slamps Tl
Component Specifications, Specifications for Switchboard Lamps. Table compiled by Mike Magnus. Western Electric Switchboard Lamps Carbon Filament =============== current code volts min max 2C 2E 2F 2G 2J 2K 2R 2T 2U 2W 2Y 15 .103 .12 20 .09 .12 12 .105...
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WE Field Training - Apparatus - Relays and Components
used. Indicating devices may be of either the visual or audible type and include drops, signals, ringers, buzzers, switchboard lamps, registers and clocks. With the exception of switchboard lamps, these areelectro magnetic devices similar in theory and...
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AE Bulletin 150 tools
in putting plug cushion over plug and on cord 10 EXTRACTOR, LAMP H 885224 1 EXTRACTOR. MULTI JACK For use in removing switchboard lamps # 8814ZS ,, EXTRACTOR, HEAT H 44514 1 COIL EXTRACTOR. BUSHING H 884696 1 rl£[ Approzlmately J: 5 1 4" 20 GA....
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546-400-111 i1 Nov29 - 740C PBX - General Description
Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender. BELL SYSTEM PRACTICES SECTION 546 400 111 Plant Series Issue 1, 11 27 29 AT&T Co Standard GENERAL DESCRIPTION 740C PBX I. GENERAL: and back and a key and lamp panel in...
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AE Catalog 11000 - Index Dec69
Mounting Cups. M Panels, Toll. .... R Test Stands. . . . .R Dials........ . .M Plugs......................... . R Switchboard Lamps. Telephone. . . J Housings.... . .M Plug and Cord Assemblies........ R Power Units... .Q Installer Repair Walk In...
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AE TB 500 i7 1961 - Operating and Service Records for Automatic Telephone Plants
Technical Bulletin. Contributed and scanned by John Novack. Processed by Paul Fassbender. · · OPERATING AND SERVICE RECORDS FOR AUTOMATIC TELEPHONE PLANTS Technical bulletin 500 AUTOMATIC ELECTRIC G~L Subsidiary of GENERAL TELEPHONE &...
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North Electric Catalog - Section 14 - PABX Switchboards
is blue.buzzers are supplied with 6 The visual signals in the key box are standard 24 volt volts from a small trans switchboard lamps with amber opals. The built in former. Relay Cabinet Clos ed. FLASHING TRUNK LAMPS KEY BOX WIRING VISUAL SIGNALS );'...
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CD-31606-01 - 30, 60, and 120 IPM Interrupter and Interrupter Alarm Circuit
Contributed by John Novack. CIRCUIT DESCRIPTION CD 31606 01 ISSUE lOD APPErm:x 2I' DWG ISSUE ?6;: STEP BY STEP SYSTEMS NO. l OR 350A 30, 60, 120 IPM INTERRUPTER AND INTERRUPTER ALARM CIRCUIT CHANGES D. D.l Description of Changes Precise tone lead...
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030-101-101 i1 Nov35 - Calculagraph 30 and 33 - Description
Contributed by Russ Kirk. BELL SYSTEM PRACTICES SECTION 030 1 Plant Series Issue 1, Novemb 1935 AT&TCo Sta e CALCULAGRAPHS, ELECTRICALLY DRIVEN MODEL 30 AND MODEL 33 DESCRIPTION . GENERAL range of 17 to 24 volts. The power for these motors is...
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79jul BSTJ - TSPS Operator Training Facilities Ocr
Training simulator with multiple TSPS stations. Bell system Technical Journal, Page 1347. Contributed by Steve Cichorsky. Ocr by Clint Gilliland. Copyright e 1979 American Telephone and Telegraph Company THE BELL SYSTEM TECHNICAL JOURNAL Vol. 58, No.6,...
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Telephone Collectors International was incorporated under the laws of the state of Kansas on May 13, 1986. The goal of the organization is "to educate the public, as well as the members of the Corporation, regarding the history of telephony, the value of old telephones and related items, their collectability and preservation; to research telephone history and publish and provide literature thereon; to promote the public exhibition of old telephones and related items; and to promote common courtesies and guidelines for use by the public." Telephone Collectors International is recognized by the Internal Revenue Service as a 501(c)(3) organization, to which U.S. tax deductible contributions can be made.