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Folder Western Electric

Categories

Folder 15A-23A-Key-Systems

Folder 1A and 1A1 Key Equipment

Folder 1A2 Equipment

Folder 2A-Farm-Interphone

Folder 3XB - SD-CD

Folder 5XB - SD-CD

Folder 6A-Equipment

Folder 740 PBX - All Documentation*

*BSPs are located in the BSP section

Folder 750 PBX - All Documentation

Note that applicable BSPs can be found in the BSP section under the 748-xxx-xxx division.

Folder 755 PBX - All Documentation

Note that applicable BSPs are filed under the "BSP" section in the 550-xxx-xxx division.

Folder CDs, SDs and T-drawings

CDs and SDs are currently located in several categories in the Library. Hint: search using the first five numeric digits of the document number.

Folder ED-65720 Line Finder Schematic & Sequence Chart

Folder N1-Carrier

Folder No.2-Local-Test-Cabinet

Folder Number 5 Toll Testboard

Folder SD-CD-1a246-01_MF_Receiver

Folder SD-CD-25791-01_No-Such-Number_Tone.pdf

Folder SD-CD-30200-Step-by step systems no.1 or 350A Loca

Folder SD-CD-30228 Toll and Local Connector

Folder SD-CD-30243-TestConn-350-355A

Folder SD-CD-30903-35-E-97-Local-Connector-One-Ring-Gen-Co

Folder SD-CD-30976-01_3_4_Wire_Selector

Folder SD-CD-30978-8PtyRevCallSel-350-355-360A

Folder SD-CD-31088

Folder SD-CD-31592-CoinTrkCkt350-355-360A

CD-31592-02 and SD-31592-02 Coin Trunk Circuit

Folder SD-CD-31637-J34719A-ConnTstSet

Folder SD-CD-31739-01_No1_350A_355A_Comb_Conn_Ckt

Folder SD-CD-32133-01-SubLineCkt350-355-360A

Folder SD-CD-33013-i4D-No1_350A_355A_360A_35-E-97_200_Point_Linefinder_Trunk_Finder_3-Wire

Step-by-Step Systems, No.1, 350A, 355A, 360A, or 35-E-97 200 Point Line or Trunk Finder 3 Wire

Folder SD-CD-56134_2B_Signaling_Test_Set

Folder SD-CD-59070

Folder SD-CD-62440-01 I29 Nos. 3 Toll and Tandem Switchbo

Folder SD-CD-63394-Broadband Carrier Systems

Folder SD-CD-64800-01 Toll Systems - Switchboard No. 3C o

Folder SD-CD-65680-505-506-507-Switchboards

Applicable BSPs can be found in the 536-xxx-xxx Division

Folder SD-CD-65714-557A-General-Ckts

Folder SD-CD-65715-555-557A-CO-TrunkCkt

Folder SD-CD-65721-Sel-Conn

Folder SD-CD-65727-557A-SecLineAndLineLampTstCkt

Folder SD-CD-65729-557B-TAS-SWBD

Folder SD-CD-65731-557B-TAS-SWBD

Folder SD-CD-65773_701B_BatCutOff

Folder SD-CD-66037-01-Tst-Line-701A-701B-711A-711B-Conn-S

Folder SD-CD-66073-01-Tst-Set-J54701B-701-A-B-711-A-B-740

Folder SD-CD-66144-012_Connector_701B

Folder SD-CD-66520-555-General-Ckts

Folder SD-CD-66537-555-StationLineCkts

Folder SD-CD-69105-01_KTS No. 1A, Private Line

Folder SD-CD-69286-01 6A Key Telephone System

Folder SD-CD-69513-1A2LineCkt

Folder SD-CD-69556-4WPrivateLineTerminatingStationCkt

Folder SD-CD-73094-911NA-Tst-Set

Folder SD-CD-95259-KS16617Amp

Folder SD-CD-96181-No3-Tst-Cabinet

Folder SD-CD-96335-01_Dial_Testing_Circuit_LTC_No-3

Folder SD-CD-99706-24A_Loop_Checker

Folder SD-CD-99707-24B_Loop_Checker_Generator

Folder WEco Switching Documents

General and introductory info on topics including Manual, Step-by-Step (SxS), Panel, Crossbar (Xbar) and ESS.

Documents

pdf 1973, 1974 - Automatic Message Accounting Brochures (4) Popular

By 2460 downloads

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Automatic Message Accounting Brochures.pdf

1973, 1974 - Automatic Message Accounting Brochures (4)

AMA = Automatic Message Accounting
1. LAMA-C (Local AMA- C)?? Minicomputer Technology for No.5 Crossbar - April 1974
2. CAMA-C (Centralized AMA)? for Crossbar Tandem and No.4 Crossbar - Nov 1973
3. AMARC (AMA Recording Center) for Electromechanical Offices, AMA System Application Table
4. AMARS (AMA Recording System) - Nov 1973

Documents marked for internal use within the Bell System.

pdf 1974 SCOTS - Surveillance & Control Of Transmission Systems Popular

By 2024 downloads

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WECo SCOTS.pdf

1974 SCOTS - Surveillance & Control Of Transmission Systems

Marked for internal use within the Bell System.

pdf 632-205-220 I1 - W2HM Cord, 710 Splicing System Instruction Sheet Popular

By 1868 downloads

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632-205-220-6_I1_Mar82_WECO_W2HM_TestCordFor710SplicingSystem.pdf

632-205-220 I1 - W2HM Cord, 710 Splicing System Instruction Sheet
March 1982, Issue 1.  Inserting pair probe into bridge ports of a 710 connector.  Contributed by Steve Cichorsky.

pdf ATT LL - Plant Bulletin 116 Sep19 - No 4 Test Boards Description and Operation Popular

By 1207 downloads

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ATT_LL_Plant_Bulletin_116_Sep19_-_No_4_Test_Boards_Description_and_Operation_tci-ocr.pdf

ATT LL - Plant Bulletin 116 Sep19 - No 4 Test Boards Description and Operation

Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender.

pdf Bell Northern Research - Telesis - Aug78 - DMS-10 Popular

By 1615 downloads

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Bell_Northern_Research_Telesis_Aug78_-_DMS-10_tci-ocr.pdf

Bell Northern Research - Telesis - Aug78 - DMS-10

Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender.

pdf Carrier Systems (Vol. V, Chapter II Popular

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Carrier Systems (Vol. V, Chapter II.pdf

Carrier Systems (Vol. V, Chapter II

pdf CD - SD-69153-01 Right-of-Way Circuit Popular

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CD - SD-69153-01 Right-of-Way Circuit.pdf

CD - SD-69153-01 Right-of-Way Circuit

pdf CD - SD-69225-01 Emergency Reporting (complete) Popular

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CD - SD-69225-01 Emergency Reporting (complete).pdf

CD - SD-69225-01 Emergency Reporting (complete)

pdf CD - SD-69364-01 Fire Alerting Circuit Popular

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CD - SD-69364-01 Fire Alerting Circuit.pdf

CD - SD-69364-01 Fire Alerting Circuit

pdf CD 32539-01 Popular

By 2005 downloads

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CD3253901.pdf

CD 32539-01
Circuit Description
CD 32539-01, Issue 3A

Step-ByStep Systems
No.1, 350A, 355A, 360A or 35E97
Coin Trunk Circuit
For use preceding a first selector serving coin lines arranged prepay or coinless access to specified numbers

pdf CD 66414-01 I5D PBX No 701A or 711A Station Line Circuit Popular

By 2044 downloads

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CD_66414-01_I5D_App9D_PBX_701_StationLineCircuit2.pdf

CD 66414-01 I5D PBX No 701A or 711A Station Line Circuit

Issue 5D, Drawing Issue 19D. PBX Systems No. 701A or 711A, Station LIne Circuit of individual, 2-party selective or 4-party semi-selective lines with or without restricted service.  No. 552A, 552D, 605A, 606B, 607A, 607A or 608A Jack Circuit.  Purpose: This circuit is used to establish a connection between a PBX station and a line finder, a connector, an attendant or a tie trunk.

Plus appendices 1D, 2D, 3D, 4D, 5D, 6D, 7AC, 8D and 9D.  Scan provided by Bruce Potter.

pdf CD 69900-01 I1 App 2D Popular

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CD_69900-01_I1_App_2D.pdf

CD 69900-01 I1 App 2D
Bell System /  Western Electric 50A Conference Set

pdf CD 95277-02 Issue 3B - Transmission Measuring Milliwatt Distributing Circuit Popular

By 2178 downloads

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CD_95277_02_TransmissionMeasuringCircuit.pdf

CD 95277-02 Issue 3B - Transmission Measuring Milliwatt Distributing Circuit
Using 71F Milliwatt Reference Generator.  Contributed by Mike Mangus.

pdf CD SD 69067-01 I8D 5A Key Equipment - Loudspeaker Conference Service Popular

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CD_SD_69067-01_I8D_5A_KeyEquip_LoudspeakerConferenceService.pdf

CD SD 69067-01 I8D 5A Key Equipment - Loudspeaker Conference Service
Contributed by Steve Cichorsky.

pdf CD SD 69068-01 I11D 6A Key Equipment - Key Selecting Observing Popular

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CD_SD_69068-01_I11D_6A_KeyEquip_KeySelectingObservingEquip.pdf

CD SD 69068-01 I11D 6A Key Equipment - Key Selecting Observing
Contributed by Steve Cichorsky.

pdf CD SD 69069-01 I11D - 6B Key Equipment - Dial Selecting Observing Popular

By 1739 downloads

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CD_SD_69069-01_I11D_6B_KeyEquip_DialSelectingObserving.pdf

CD SD 69069-01 I11D - 6B Key Equipment - Dial Selecting Observing
Contributed by Steve Cichorsky.

pdf CD SD 69160-01 Equipment Units C Ocr R Popular

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CD_SD_69160-01_Equipment_Units_c_ocr_r.pdf

CD SD 69160-01 Equipment Units C Ocr R

Contributed by Steve Cichorsky. 

pdf CD-1E059-01 I5B PBX 51A Centrex Data Receiver and Transmitter Circuit Popular

By 1868 downloads

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CD_1E059_01_I5B_PBX_51A_CentrexDataReceiverTransmitter.pdf

CD-1E059-01 I5B PBX 51A Centrex Data Receiver and Transmitter Circuit
Contributed by Steve Cichorsky.

pdf CD-1E063-01 - 51A Cust Prem Sys - Centrex Att Cons Lamp Ctrl Ckt Popular

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CD-1E063-01 - 51A Cust Prem Sys - Centrex Att Cons Lamp Ctrl Ckt.pdf

CD-1E063-01 - 51A Cust Prem Sys - Centrex Att Cons Lamp Ctrl Ckt

pdf CD-31777-SubLineCkt355-356A Bc Popular

By 1968 downloads

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CD-31777-SubLineCkt355-356A_bc.pdf

CD-31777-SubLineCkt355-356A Bc

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Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from Ed Palazzo, Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

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