Telephony Document Repository - The TCI Library

Click here for the Bruce Crawford Memorial Switching Documentation Library list view.

The Bruce Crawford Memorial Switching Documentation Library

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Bruce Crawford - Founder of Switchers' Quarterly

 

Other sources of BSP's

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.

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 the person interested in restoring or repairing vintage telephone equipment. Generally, the information in this library is limited to equipment that was made prior to 1980.

If you can't find what you are looking for, use the Feedback option on the left . 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 www.telephonecollectors.info/library

Hint: Clicking on "Wiring Diagrams & Technical Library" in the Main Menu (left column of the screen) at any time gives a quick reference list of popular manufacturers.

To see all manufacturers, browse the complete list below.