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the free telecom resource that volunteers can edit.

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The 803C Ringing and Tone Plant is an exhibit on the third floor of the Connections Museum that demonstrates how ringing and tones were created in large metropolitan areas in the Bell System. It consists of a P-type motor generator set (known as a ringing machine) which was salvaged from the West office in Seattle, and a control board that served the Pearl St. office in Hartford CT. This tone plant was notable for creating the sweet sounding "city ring" tones that were emblematic of AT&Ts service in large cities for much of the 20th century. (Full article...)

Did you know...

Panel Switch

• ...that the museum's Panel (pictured), 1XB, and 3ESS are the last working switches of their kind in the world?
• ...that the museum has the world's only authentic phreaking demo at the 1XB?
• ...that the museum's oldest working switch is over 100 years old?
• ...that the museum's only two non-Western Electric switches were manufactured by Nortel and North Electric?
• ...that one of the museum's switches was installed on a battleship, two ghost towns-to-be, and a scout camp?
• ...that the museum has a working video conferencing setup from the 1970s?
• ...that some of the computers in the museum can connect to the internet via authentic dial-up?
• ...that an old waffle maker is used to provide ballast for the museum's working mercury arc rectifier?

This is the Telecommunications Inventory Wiki. It is primarily for the Connections Museum inventory. Some information will only be editable by museum volunteers (like items in museum inventories) while other information (like general pages about item models) will be editable more widely.

Before creating new pages, please familiarize yourself with the wiki's namespaces.

Pages support data (under the "Edit data" tab) added in pre-set schemas to populate introductory paragraphs (because the introductory paragraph for certain things like different models of phone will all be very similar).