You are here: Home > Browse the Library > BC Switching Library > Western Electric

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

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 WECo-701A-711A-Dial PBX Bc Popular

By 1630 downloads

Download (pdf, 669 KB)

WECo-701A-711A-Dial PBX_bc.pdf

WECo-701A-711A-Dial PBX Bc

Plant Training School (PTS) document. Details included in the formal drawings are omitted from this training drawing for reasons of emphasis.
711A/B are "satellite PBXs" without attendant equipment, typically connecting to other PBXs by tie trunks and to the public network by CO trunks.  The B versions are 2nd generation systems, using different circuits than shown in this document.
Includes SD-80643-011 5D Ringing Circuit, SD-66359-011 9D Selector Circuit, SD-66384-011 19D Misc. Alarm Circuit, SD-66410-011 Linefinder Circuit, SD-66143-011 16D Connector Circuit, SD-66414-011 9D Station Line Circuit, and SD-66607-011 4D Trunk Circuit.

pdf X-64282-i2-Transmission Measuring Equipment Popular

By 1466 downloads

Download (pdf, 3.37 MB)

X-64282-i2-Transmission_Measuring_Equipment.pdf

X-64282-i2-Transmission Measuring Equipment

Scanned and Contributed by Paul Wills.

KS-5472 1000 Cycle Machine

J94002 Sending Panel

9A Transmission Measuring Set

12A Transmission Measuring Set

J94020A Transmission Measuring Set

Loss Measuring Equipment

Gain Measuring Equipment

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 270 guests online