Bruce Crawford Library

Bruce Crawford Library ( 1214 Files )

Click here for the Bruce Crawford Memorial Switching Documentation Library list view. (note: please be patient, this will take some time to show: about 1 minute)

The Bruce Crawford Memorial Switching Documentation Library

Bruce Crawford

Bruce Crawford - Founder of Switchers' Quarterly

Wiring Diagrams & Technical Library

Wiring Diagrams & Technical Library ( 758 Files )

Click here for the Wiring Diagrams & Technical Library list view.

by Manufacturer and Model

Hint: Also check BSPs, GSPs and technical bulletins for wiring options and detailed technical information. Search for the phone model and "wiring" or "schematic." (e.g. North 5H6 wiring)

This is a library of basic schematics, wiring diagrams and other information that can be useful to anyone interested in restoring or repairing vintage telephone equipment. Generally, the information in the Library is limited to equipment that was made prior to 1980.

If you can't find what you are looking for, use the Contact Us option here or on the Menu Bar. We will make an attempt to locate it and add it to the library.

The Wiring Diagrams & Technical Library can easily be found through the following link

Hint: Clicking on Browse Library / Wiring Diagrams in the Menu Bar at any time gives a quick reference list of popular manufacturers.

To see all manufacturers, browse the complete list below.

Click here for the most important German telephone schematics (W28, W36, W38, W48, W58, W63a).

AE Technical Bulletins

AE Technical Bulletins ( 27 Files )

For Telephone Sets and other Customer Equipment.  Go to the Bruce Crawford Library for Bulletins dealing with Switching, Signaling, and Test Equipment.
ITT Practices

ITT Practices ( 12 Files )

Technical Practices from ITT, Kellogg and Cortelco

C*NET documents

C*NET documents ( 2 Files )

Documents relating to C*NET - The VOIP-based Collectors' Network.

Document Archive

Document Archive ( 138 Files )

Original scans of documents that have smaller and/or OCRed copies in the main library.  Most were scanned as images, so are not text searchable.

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.

Please add your name to this list!

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