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Western Electric

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

SD-CD-33013-i4D-No1_350A_355A_360A_35-E-97_200_Point_Linefinder_Trunk_Finder_3-Wire ( 2 Files )

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

WEco Switching Documents

WEco Switching Documents ( 107 Files )

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

740 PBX - All Documentation*

740 PBX - All Documentation* ( 3 Files )

*BSPs are located in the BSP section
750 PBX - All Documentation

750 PBX - All Documentation ( 25 Files )

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

755 PAX - All Documentation ( 12 Files )

Note that applicable BSPs are filed under the "BSP" section in the 550-xxx-xxx division.
SD-CD-65680-505-506-507-Switchboards

SD-CD-65680-505-506-507-Switchboards ( 7 Files )

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

Documents

Order by : Name | Date | Hits [ Ascendant ]

X-64282-i2-Transmission Measuring Equipment X-64282-i2-Transmission Measuring Equipment

Date added: 09/23/2013
Date modified: 09/23/2013
Filesize: 3.37 MB
Downloads: 1883

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

Wire Spring Relays AF AG AJ AK X75509 Aug62 Wire Spring Relays AF AG AJ AK X75509 Aug62

Date added: 02/10/2015
Date modified: 02/10/2015
Filesize: 11.09 MB
Downloads: 1007

August 1962, 153 pages.  Replaced previous version.  Contributed by Steve Flocke. Scanning and OCR by John Novack.

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

Date added: 07/25/2010
Date modified: 10/23/2012
Filesize: 669.06 kB
Downloads: 1363

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-66413-011 16D Connector Circuit, SD-66414-011 9D Station Line Circuit, and SD-66607-011 4D Trunk Circuit.

WECo COMAS WECo COMAS

Date added: 01/08/2010
Date modified: 08/14/2013
Filesize: 391.92 kB
Downloads: 1113

Computer Maintenance and Administration Support.

WEco Capacitor Fuse Lamp Reference Ocr R WEco Capacitor Fuse Lamp Reference Ocr R

Date added: 03/16/2013
Date modified: 03/16/2013
Filesize: 3.22 MB
Downloads: 1968

Contributed by Steve Cichorsky. 

WECo 551-A 551-B PBX SWBDs Wiring WECo 551-A 551-B PBX SWBDs Wiring

Date added: 02/10/2015
Date modified: 02/10/2015
Filesize: 4.47 MB
Downloads: 1259

Contributed by Fred Haynes.  Processed by Clint Gilliland.

WE Instruction Bulletin 1121 i2 Mar50 - J68312C Amplifier WE Instruction Bulletin 1121 i2 Mar50 - J68312C Amplifier

Date added: 07/23/2013
Date modified: 07/23/2013
Filesize: 440.96 kB
Downloads: 1362

Issue 2, March 1950.  Used in radio telephone control terminals.  Referenced in drawings SD-59193-01 and T-59193-80. Contributed by John Novack.

TM 11-330 Switchboards TM 11-330 Switchboards

Date added: 02/10/2015
Date modified: 02/10/2015
Filesize: 5.07 MB
Downloads: 1234

Contributed by John Novack.

Standard-Power-Plants Bc Standard-Power-Plants Bc

Date added: 07/25/2010
Date modified: 07/25/2010
Filesize: 246.31 kB
Downloads: 1292

SD3253901 SD3253901

Date added: 04/16/2011
Date modified: 04/16/2011
Filesize: 2.88 MB
Downloads: 1015
Circuit Description
SD 32539-01, Issue 19A

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

sd31777_mm sd31777_mm

Date added: 03/05/2011
Date modified: 03/05/2011
Filesize: 611.12 kB
Downloads: 951
SD 31777

SD-CD-69360-01-Order-Turret-No-4 Bc SD-CD-69360-01-Order-Turret-No-4 Bc

Date added: 07/25/2010
Date modified: 07/25/2010
Filesize: 350.37 kB
Downloads: 1026

SD-96172-01 I6 SD-96172-01 I6

Date added: 08/05/2011
Date modified: 08/05/2011
Filesize: 187.33 kB
Downloads: 965
Operating Room Desk No. 19 Key Sheet

SD-95286-01 SD-95286-01

Date added: 06/11/2011
Date modified: 08/05/2011
Filesize: 1.49 MB
Downloads: 1093
Announcement Circuit Employing KS-16765 List 1 Announcement Set

SD-90625-01 I8 SD-90625-01 I8

Date added: 08/05/2011
Date modified: 08/05/2011
Filesize: 266.85 kB
Downloads: 938

Service Observing Desks and Sets

SD-90250-01 I28 SD-90250-01 I28

Date added: 08/05/2011
Date modified: 08/05/2011
Filesize: 485.96 kB
Downloads: 1036

Common Systems Master Key Sheet

SD-82227-02 I4B 79B2 & 79B3 Power Supply SD-82227-02 I4B 79B2 & 79B3 Power Supply

Date added: 01/30/2011
Date modified: 01/30/2011
Filesize: 837.62 kB
Downloads: 1007
79B2 and 79B3 power supplies. Same functionality as the 79B1, just later production runs.  Contributed by Bruce Lane.

SD-82227-01 I1 79B1 Power Supply SD-82227-01 I1 79B1 Power Supply

Date added: 01/30/2011
Date modified: 01/30/2011
Filesize: 531.7 kB
Downloads: 943
79B1 power supply, used with 1A2 modular key systems.  Contributed by Bruce Lane.

SD-81719-01 404 405 Dial Tone Generator SD-81719-01 404 405 Dial Tone Generator

Date added: 11/11/2013
Date modified: 11/11/2013
Filesize: 733.09 kB
Downloads: 1667

Scanned and Contributed by Paul Wills 

SD-69942-01 I4B1 400H Line Card SD-69942-01 I4B1 400H Line Card

Date added: 01/30/2011
Date modified: 01/30/2011
Filesize: 780.91 kB
Downloads: 980
400H CO/PBX line card, the last such card Western Electric made.  Contributed by Bruce Lane.

Recent Contributors

Thanks for new documents from David Gruger, Jeff Lamb, Walt Aydelotte, Dennis Hock, Steve Flocke, Paul Wills, Sam Etler, Fred Haynes, John Novack, Clint Gilliland, Steve Cichorsky and Karl Brose.

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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.