Folder Western Electric

Categories

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

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

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-65680-505-506-507-Switchboards

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

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 2250 downloads

Download (pdf, 5.53 MB)

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 1794 downloads

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 1718 downloads

Download (pdf, 115 KB)

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 1031 downloads

Download (pdf, 6.32 MB)

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 1395 downloads

Download (pdf, 21.88 MB)

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

By 1981 downloads

Download (pdf, 3.61 MB)

Carrier Systems (Vol. V, Chapter II.pdf

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

By 1690 downloads

Download (pdf, 4.08 MB)

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

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

By 1647 downloads

Download (pdf, 1.08 MB)

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

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

By 1569 downloads

Download (pdf, 6.88 MB)

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

pdf CD 32539-01 Popular

By 1848 downloads

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 1881 downloads

Download (pdf, 425 KB)

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

By 1660 downloads

Download (pdf, 20 KB)

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 2045 downloads

Download (pdf, 410 KB)

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

By 1542 downloads

Download (pdf, 185 KB)

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

By 1650 downloads

Download (pdf, 231 KB)

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 1585 downloads

Download (pdf, 508 KB)

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

By 1578 downloads

Download (pdf, 2.62 MB)

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 1703 downloads

Download (pdf, 680 KB)

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

By 1642 downloads

Download (pdf, 956 KB)

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

pdf CD-31777-SubLineCkt355-356A Bc Popular

By 1807 downloads

Download (pdf, 82 KB)

CD-31777-SubLineCkt355-356A_bc.pdf

New User?

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

Recent Contributors

Thanks for new documents from 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.

Please send a file to add your name to this list!

Who's online

We have 89 guests online