You are here: Home > Browse the Library > BC Switching Library > Western Electric > SD-99767-01 Signaling E3C, E4C and E5C Signaling and 4 Wire Terminating Circuit – 2600 Hertz Reverse Battery Supervision Originating Office End tci ocr

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

pdf SD-99767-01 Signaling E3C, E4C and E5C Signaling and 4 Wire Terminating Circuit – 2600 Hertz Reverse Battery Supervision Originating Office End tci ocr Popular

By 899 downloads

Download (pdf, 19.98 MB)

SD-99767-01 Signaling E3C, E4C and E5C Signaling and 4-Wire Terminating Circuit – 2600 Hertz Reverse Battery Supervision - Originating Office End tci-ocr.pdf

Contributed by Steve Cichorsky.

New User?

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

Recent Contributors

Thanks for new documents from Ed Palazzo, Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

Please send a file to add your name to this list!

Who's online

We have 1261 guests online