[VoIP] Diagrams for 500/2500/554/2575 Telephones

[John R. Covert]

Steph's request for the ITT Dials reminded me that I've been
needing to put these diagrams online.  Feel free to copy,
repost, and redistribute with or without attribution.

http://www6.covert.org/TelephoneDiagrams.pdf

Telephone Circuit Diagrams 
1. Western Electric 500 CW & 500 DW Tel Sets.
   U.S. Army ca. 1965 
2. Western Electric 2500D Tel Set
   Dial from Bell System Tech Journal, merged w/(1) above 
3. Stromberg-Carlson 2500DP/554TDB Telephone Wiring Diagram
   Stromberg-Carlson ca. 1982.  (two pages) 
4. ITT 2575 Type Modular Telephone Circuit
   ITT Corporation ca. 1982

/john