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 PAX - All Documentation

Note that applicable BSPs are filed under the "BSP" section in the 550-xxx-xxx division.

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 SD-68400-01 I3 Popular

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SD-68400-01_I3.pdf

SD-68400-01 I3

No. 4A Crossbar and No. 5 Toll Switchboard and No. 17C Toll Test Board

pdf SD-69225-01 I2D Station Circuits for Emergency Reporting Popular

By 476 downloads

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SD_69225_01_I2D_Mar59_StationCircuitsForPublicEmergencyReporting.pdf

SD-69225-01 I2D  Station Circuits for Emergency Reporting
March 1959. Contrib uted by Steve Cichorsky.

pdf SD-69226-01 I2D F-50682 Telephone Set - 2- or 4-wire Popular

By 464 downloads

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SD_69226_01_F50682_TelephoneSet_PrivateLineStationCircuit.pdf

SD-69226-01 I2D F-50682 Telephone Set - 2- or 4-wire
March 1959.  Contributed by Steve Cichorsky.

pdf SD-69341-01 I2D 8A Announcement System Popular

By 516 downloads

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SD_69341_01_I2D_Dec58_8A_AnnouncementSystem.pdf

SD-69341-01 I2D  8A Announcement System
December 1958.  Contributed by Steve Cichorsky.

pdf SD-69360-01 Order Turret No. 4 Popular

By 500 downloads

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SD-69360-01 Order Turret No. 4.pdf

pdf SD-69410-01 4-Wire Private Line Circuit Popular

By 559 downloads

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SD-69410-01 4-Wire Private Line Circuit.pdf

pdf SD-69410-01-4-Wire PrivateLineCircuit Bc Popular

By 651 downloads

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SD-69410-01-4-Wire PrivateLineCircuit_bc.pdf

pdf SD-69411-01 KTS 6A T-T Adapter Popular

By 552 downloads

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SD-69411-01 KTS 6A T-T Adapter.pdf

pdf SD-69411-01-KTS-6A-T-T-Adapter Bc Popular

By 683 downloads

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SD-69411-01-KTS-6A-T-T-Adapter_bc.pdf

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

By 471 downloads

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SD-69414-01_i2A_Jul61_4-wire_Subscriber_Line_Circuits.pdf

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

Contributed by John Novack.

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

By 459 downloads

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SD-69423-01_i1_Mar61_2-_and_4_wire_568HT_Set.pdf

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

Contributed by John Novack.

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

By 469 downloads

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SD-69425-01_i2D_Mar63_2-_and_4-wire_568HB_Set.pdf

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

Contributed by John Novack.

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

By 516 downloads

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SD-69488-01_i1_Mar63_255A_KTU.pdf

SD-69488-01 I1 Mar63 255A KTU

Contributed by John Novack.

pdf SD-69529-01 I10D - Type 247B TouchTone adapter Popular

By 630 downloads

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SD_69529_01_I10D_247B_TouchtoneAdapter.pdf

SD-69529-01 I10D - Type 247B TouchTone adapter

Used in the 6A Business Interphone system and in many 1A2 KTS intercom systems.  Contributed by Bruce Lane.

pdf SD-69559-01 I11D Tie Line Popular

By 632 downloads

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SD_69559_01_I11D_TieLine.pdf

SD-69559-01 I11D Tie Line
400-series tie-line circuit KTU's, including the 415, 416 and 461.  Contributed by Bruce Lane.

pdf SD-69561-01 I2 Conference Circuit Popular

By 599 downloads

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SD_69561_01_I2_ConferenceCircuit.pdf

SD-69561-01 I2 Conference Circuit
Standard CO line conferencing circuit used in 1A2 key systems, including the 417A KTU. Contributed by Bruce Lane.

pdf SD-69567-01 Dial Selective Intercom Line Circuit Popular

By 631 downloads

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SD_69567_01_DialSelectiveIntercomLineCt.pdf

SD-69567-01 Dial Selective Intercom Line Circuit

Dial-selective intercom KTU's used in 1A2 systems, primarily with the 640-series modular panels and 7A thru 27A ComKey systems (not the 416 series). It includes details on the 407B and C, 420A, 422A and B, 423A, 424A, B and C, 425A and B, 444A, 491A and 494A and B KTU's.  Contributed by Bruce Lane.

pdf SD-69595-01 I10D Touch Tone Adapters Popular

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SD_69595_01_I10D_TTAdapters.pdf

SD-69595-01 I10D Touch Tone Adapters

Touchtone adapters for the 426A and 427A KTU's, which are early TouchTone adapters for dial intercoms in 1A2 gear. Contributed by Bruce Lane.

pdf SD-69627-01 I2B 109A110A Audio On Hold Popular

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SD_69627_01_I2B_109A110A_AudioOn Hold.pdf

SD-69627-01 I2B 109A110A Audio On Hold

Voice Connecting Arrangements - 109A and 110A Audio-on-Hold KTU's. They're normally used in a 642-series auxiliary panel, in conjunction with 400G series line cards. It may be possible to use them with 400D's or earlier/later line cards. I've not tried it.  Contributed by Bruce Lane.

pdf SD-69651-01 I5D 400G Line Card Popular

By 587 downloads

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SD_69651_01_I5D_400G_LineCard.pdf

SD-69651-01 I5D 400G Line Card
400G CO/PBX line card.  Contributed by Bruce Lane.

New User?

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

Recent Contributors

Thanks for new documents from Chuck Hensley, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff, Sam Etler, John Novack, Clint Gilliland, Steve Cichorsky and Paul Fassbender.

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