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pdf 301-925 I1 Popular

By 567 downloads

301-925 I1

UNIX System User;s Manual Release 5.0, published by Western Electric June 1982

pdf ATT 210 Public Credit Card Caller Tel Station Inst Tstg Maint 1984 Job Aid Ocr R Popular

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ATT_210_Public_Credit_Card_Caller_Tel_Station_Inst_Tstg_Maint_1984_Job_Aid_ocr_r.pdf

ATT 210 Public Credit Card Caller Tel Station Inst Tstg Maint 1984 Job Aid Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.  [Original was archived]

pdf Bell Canada How To Operate PBX 1935 Popular

By 127 downloads

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Bell_Canada_How_to_operate_PBX_1935.pdf

Bell Canada How To Operate PBX 1935

Contributed by John Novack.

pdf Bell System Inductors X75527 Jun62 Popular

By 422 downloads

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Bell_System_Inductors_X75527_Jun62.pdf

Bell System Inductors X75527 Jun62

Contributed by John Novack.

pdf BSTR PUB 47101 9-79 Popular

By 465 downloads

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BSTR PUB 47101 Plugs and Jacks ocr op.pdf

BSTR PUB 47101 9-79

PUB 47101, PRELIMINARY
Bell System Voice and Data Communications
TECHNICAL REFERENCE, Standard Plugs and Jacks

Director - Business Premises Engineering - Data and Special Systems
AT&T September 1979

pdf BSTR PUB 47102 12-82 Popular

By 452 downloads

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BSTR_PUB_47102_12-82_MiniaturePlugsAndJacks_Modular.pdf

BSTR PUB 47102 12-82

PUB 47102,  Bell System TECHNICAL REFERENCE

Miniature Plugs and Jacks

December 1982, 326-143

pdf Cord Switchboard Service Manual NonMultiple Types 550 551 560 IBT Ocr R Popular

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Cord_Switchboard_Service_Manual_NonMultiple_Types_550_551_560_IBT_ocr_r.pdf

Cord Switchboard Service Manual NonMultiple Types 550 551 560 IBT Ocr R
11MB.  July 1961, Illinois Bell, PBX 75. Photos of switchboard.

Contents (TOC)

How to Help Your Extension Users 1
Private Switchboard Services 3
To Private Switchboard Operators 5
Out of Town Calls 10
Description of the Switchboard 15
Method of Operation 16
- Incoming Calls 17
- Calls from Extensions 21
- Handling Established Connections 24
- Night Connections 26
- Conference Calls 26

Suggested Phrases
The Courteous Way...

Contributed by Steve Cichorsky.  OCR / Size reduction by Clint Gilliland.

pdf Cord Switchboard Service Manual NonMultiple Types 550 551 560 IBT [LARGE FILE] Popular

By 445 downloads

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Cord_Switchboard_Service_Manual_NonMultiple_Types_550_551_560_IBT.pdf

Cord Switchboard Service Manual NonMultiple Types 550 551 560 IBT [LARGE FILE]

36MB. July 1961, Illinois Bell, PBX 75. Photos of switchboard.  Contributed by Steve Cichorsky.

pdf ESS Series No. 2 - No. 3 Systems Popular

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ESS Series No. 2 - No. 3 Systems.pdf

ESS Series No.  2 - No. 3 Systems

Switching Products Manual, Local Sytems 9/76

No.2, No.2B, No. 2C, No. 3 ESS

pdf How To Operate The 507B Cordless Switchboard 1970 Popular

By 126 downloads

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How_to_operate_the_507B_Cordless_Switchboard_1970.pdf

How To Operate The 507B Cordless Switchboard 1970

999-200-107, issue 2, October 1970.  Contributed by John Novack.

pdf PA-6P014 I3 Popular

By 398 downloads

PA-6P014 I3

PA-6P014, COSMOS (COmputer System for Maintenance OperationS) Frame
Transaction Codes, Issue 3, 11/30/80, 78 pages

pdf Panel Type Dial Telephone System NYT Oct30 Popular

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Panel_Type_Dial_Telephone_System_NYT_Oct30.pdf

Panel Type Dial Telephone System NYT Oct30

by Elsworth Goldsmith.  57 pages.  Third edition of a December 1926 article.  Contributed by John Novack

pdf Standard Drafting Practices X-62725 i6 May36 Popular

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Standard_Drafting_Practices_X-62725_i6_May36.pdf

Standard Drafting Practices X-62725 i6 May36

Issue 6, May 1936, Bell Telephone Laboratories.  Contributed by John Novack.

pdf SWBT Service And Equipment Manual [01] - Part I: Main Station and Extension Services Popular

By 523 downloads

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48ca_SWBT_ServiceAndEquipManual_I_1_5_Services.pdf

SWBT Service And Equipment Manual [01] - Part I: Main Station and Extension Services
ca 1948 with later additions.  Includes manual cover, Table of Contents and Part I.  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.
 
Keywords:  Key telephone; private branch exchange; joint user service; rural service; coin telephones; public telephone; semi-public; booth; shelves; tables; signs; no. 10; no. 11; no. 5; no. 6; no. 9; KS 7302-4; illuminated; toll terminal

pdf SWBT Service And Equipment Manual [02] - Part III Section 2: Telephone Bells & Auxiliary Signals Popular

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48ca_SWBT_ServiceAndEquipManual_III_2_TelBells_AuxSignals.pdf

SWBT Service And Equipment Manual [02] - Part III Section 2: Telephone Bells & Auxiliary Signals
ca 1948 with later additions.  Includes bells, buzzers, gongs, and horns.  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.
 
Keyword:  Line signals; busy signals; 1A key; 21 lamp; 15 lamp; 14 lamp; 20 lamp; 18 lamp; 16 lamp; 17 lamp; 551A; 707-679; 549; no. 7; xylophone

pdf SWBT Service And Equipment Manual [03] - Part V Section 1: Key Equipment (Cabinets) Popular

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48ca_SWBT_ServiceAndEquipManual_V_1_KeyEquipment_Cabinets.pdf

SWBT Service And Equipment Manual [03] - Part V Section 1: Key Equipment (Cabinets)
ca 1948 with later additions.  Includes Multi-line key cabinets, providing line pick-up and hold functions, numbered 100, 101, 103A, 109A, 110A, 102A and 111A.  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.
 
Keywords:  Attendant?s key cabinet; exclusion; intercommunication; order tone; signaling; airport
 

pdf SWBT Service And Equipment Manual [04] - Part VI: PBX Services Sect. 1-2 PBX Services & Switchboards Popular

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48ca_SWBT_ServiceAndEquipManual_VI_1_2_PBXsvcs_Swbd.pdf

SWBT Service And Equipment Manual [04] - Part VI: PBX Services Sect. 1-2 PBX Services & Switchboards

ca 1948 with later additions.  Includes PBX Services, Attendants' Telephone Sets, CO Trunks, Manual Cordless Switchboards, Cordless Switchboards, Operation of 506A/B Switchboard, 507A/B switchboards.  Other parts of this manual are in seperate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.

Keywords: Private branch exchange; dial; supervision; stations; trunks; tie lines; night; central office; 506A; 507A; 506B; 507B; stations; supervision.

pdf SWBT Service And Equipment Manual [05] - Part VI: PBX Services Sect. 3 - 4 Manual PBX Switchboards Popular

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48ca_SWBT_ServiceAndEquipManual_VI_3_4_ManualSwbd.pdf

SWBT Service And Equipment Manual [05] - Part VI: PBX Services Sect. 3 - 4 Manual PBX Switchboards

ca 1948 with later additions.  Includes Non-multiple manual cord switchboards and multiple manual cord switchboards.  References PBX numbers 551A/B/D, 555, 605 (small). 605 (large), 606A, 607A/B.  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.

Keywords: Private branch exchange; dial; attendant; supervision; stations; trunks; tie lines; night service; central office trunks; cord switchboard; 551A; 551B; 551D; 552D; 555; 605A; 606A; 607A; 607B; supervision; off-premises stations; station busy.  identification

pdf SWBT Service And Equipment Manual [06] - Part VI: Dial PBX Systems Section 5 Attended Dial PBX Sys Popular

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48ca_SWBT_ServiceAndEquipManual_VI_5_DialPBX.pdf

SWBT Service And Equipment Manual [06] - Part VI: Dial PBX Systems Section 5 Attended Dial PBX Sys
14 MB.  28 pages.  ca 1948 with later additions.  Includes 740-type and related systems plus cord switchboards.  Covers routing of calls, station operation, CO trunk arrangement and night switching.  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.
 
Keywords: 552A; 556A; 605A; 607A; 606A; 552D; 607B; 740A; 740B; 740C; 740E; 740AX; 701A; 700C; 702A; tie line; supervision; central office trunk; out-dial; routing
 

pdf SWBT Service And Equipment Manual [07] - Part VI: Dial PBX Systems Sections 5A, 6, 7 Dial PBX Sys Popular

By 543 downloads

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48ca_SWBT_ServiceAndEquipManual_VI_5A_6_7_DialPBX.pdf

SWBT Service And Equipment Manual [07] - Part VI: Dial PBX Systems  Sections 5A, 6, 7 Dial PBX Sys
ca 1948 with later additions.  Includes attended dial PBX system 756A, Unattended Dial PBX systems and key system dial PBX systems (755A).  Other parts of this manual are in separate documents.  The number in brackets [n] is the sort order for this document based on the documents currently in the Library.  It may change as new sections of the manual are added.
 
Keywords: Crossbar; tie lines; toll diverting; night connection; 556A; console; trunk connections; conference calls

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Thanks for new documents from Chuck Hensley, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff, Sam Etler, John Novack, Clint Gilliland, Steve Cichorsky and Paul Fassbender.

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