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 ]

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: 1008

August 1962, 153 pages.  Replaced previous version.  Contributed by Steve Flocke. Scanning and OCR 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: 1236

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: 1421

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: 1260

Contributed by Fred Haynes.  Processed by Clint Gilliland.

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: 1877

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: 1803

Contributed by John Novack.

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: 1536

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: 1512

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: 1426

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: 1401

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: 1475

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: 1478

Contributed by John Novack.

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: 1367

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: 1476

Contributed by John Novack.

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: 1411

Contributed by John Novack.

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 

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: 1885

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

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: 1836

Contributed by John Novack.

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: 1363

Issue 2, March 1950.  Used in radio telephone control terminals.  Referenced in drawings SD-59193-01 and T-59193-80. 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: 1709

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

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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