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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

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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: 1963

Contributed by Steve Cichorsky. 

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: 1882

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

SD-65657-01 I34B One Way Two Way Trunk Circuit SD-65657-01 I34B One Way Two Way Trunk Circuit

Date added: 07/09/2014
Date modified: 07/09/2014
Filesize: 2.57 MB
Downloads: 1874

Contributed by John Novack.

Cord Type PBX 551 MI Bell Operating Instructions Cord Type PBX 551 MI Bell Operating Instructions

Date added: 08/04/2013
Date modified: 08/04/2013
Filesize: 1.85 MB
Downloads: 1833

Contributed by John Novack.

CD-65657 I11AC PBX 701 702 711 740 Trunk Circuit To CO CD-65657 I11AC PBX 701 702 711 740 Trunk Circuit To CO

Date added: 07/09/2014
Date modified: 07/09/2014
Filesize: 2.24 MB
Downloads: 1797

Contributed by John Novack.

CD-95956-01 DUAL CHANNEL RECEIVER CIRCUIT - 700 AND 1100 CYCLES PER SECOND Ocr R CD-95956-01 DUAL CHANNEL RECEIVER CIRCUIT - 700 AND 1100 CYCLES PER SECOND Ocr R

Date added: 04/29/2013
Date modified: 04/29/2013
Filesize: 1.09 MB
Downloads: 1705

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

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: 1664

Scanned and Contributed by Paul Wills 

CD-81719-01 4A And Appendices 1B 2D 3D 4D CD-81719-01 4A And Appendices 1B 2D 3D 4D

Date added: 02/06/2014
Date modified: 02/06/2014
Filesize: 451.51 kB
Downloads: 1533

Signaling Circuit 404 and 405, Dial tone generator for PBX "Touch-Tone" Calling.  Contributed by John Novack.

SD-69488-01 I1 Mar63 255A KTU SD-69488-01 I1 Mar63 255A KTU

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 2.68 MB
Downloads: 1508

Contributed by John Novack.

CD-69423-01 I1 Mar61 2- And 4 Wire 568HT Set CD-69423-01 I1 Mar61 2- And 4 Wire 568HT Set

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 62.35 kB
Downloads: 1474

Contributed by John Novack.

CD-69488-01 I1 Mar63 255A KTU CD-69488-01 I1 Mar63 255A KTU

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 944.3 kB
Downloads: 1472

Contributed by John Novack.

SD-69414-01 I2A Jul61 4-wire Subscriber Line Circuits SD-69414-01 I2A Jul61 4-wire Subscriber Line Circuits

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 216.23 kB
Downloads: 1471

Contributed by John Novack.

SD-69425-01 I2D Mar63 2- And 4-wire 568HB Set SD-69425-01 I2D Mar63 2- And 4-wire 568HB Set

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 160.76 kB
Downloads: 1424

Contributed by John Novack.

SD-31848-01 Grounded Line Adapter Tci SD-31848-01 Grounded Line Adapter Tci

Date added: 02/10/2015
Date modified: 02/10/2015
Filesize: 3.3 MB
Downloads: 1419

Contributed by Steve Cichorsky.

CD-69414-01 I2A 4-wire Subscriber Line Circuits CD-69414-01 I2A 4-wire Subscriber Line Circuits

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 93.6 kB
Downloads: 1407

Contributed by John Novack.

SD-69423-01 I1 Mar61 2- And 4 Wire 568HT Set SD-69423-01 I1 Mar61 2- And 4 Wire 568HT Set

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 130.86 kB
Downloads: 1398

Contributed by John Novack.

CD-32342-01 OUTGOING TRUNK CIRCUIT Ocr R CD-32342-01 OUTGOING TRUNK CIRCUIT Ocr R

Date added: 04/29/2013
Date modified: 04/29/2013
Filesize: 4.78 MB
Downloads: 1368

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

CD-69425-01 I2D Mar63 2- And 4-wire 568HB Set CD-69425-01 I2D Mar63 2- And 4-wire 568HB Set

Date added: 01/10/2014
Date modified: 01/10/2014
Filesize: 62.14 kB
Downloads: 1363

Contributed 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: 1361

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.

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: 1361

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

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.