New pages

21:4521:45, 17 February 2025 Ringing machine (hist | edit) [4,695 bytes] Sarah (talk | contribs) (Created page with "A '''ringing machine''' is a motor generator set that was used by telephone companies to create the current needed to ring the bells in subscriber's telephones (referred to as ''machine ringing''), and to create the call progress tones that a subscriber might hear while making a call. These sounds usually include dial tone, ringback tone (known as ''audible ringing'') or busy tone. == Origins == The origins of the ringing machine date back to hand cranked magnetos used...") Tag: Visual edit

13:4913:49, 16 February 2025 Audichron M-12 (hist | edit) [262 bytes] Intcreator (talk | contribs) (Created page with "{{About|talking clock in general|the specific talking clock in the Connections Museum Seattle|CMS:Audichron}} The '''Audichron M-12''' is a talking clock that was manufactured by the Audichron Company.") Tag: Visual edit

14:3114:31, 12 February 2025 Number Three Electronic Switching System (hist | edit) [1,891 bytes] Intcreator (talk | contribs) (Created page with "{{About|the switch in general|specific switch in the Connections Museum|CMS:Number Three Electronic Switching System}} The '''Number Three Electronic Switching System (3ESS)''' is an electronic switching system that was manufactured by Western Electric. == Technology == The system makes use of a control complex consisting of two custom-designed minicomputers running in an active/standby configuration. It uses a...") Tag: Visual edit

17:4617:46, 11 February 2025 Western Electric Model 6-B (hist | edit) [2,635 bytes] Intcreator (talk | contribs) (Created page with "{{About|the transmitter in general|specific transmitter in the Connections Museum Seattle|CMS:KRKO Broadcast Transmitter}} The '''Model 6-B''' is a 1 kilowatt radio transmitter that was manufactured by Western Electric starting in 1928. It consists of an oscillator unit and an amplifier unit. The 6-B is capable of operating from 500-1,500 kHz with wavelengths from 200 to 600 meters. It can run on three-phase 50-60 Hz AC at 220 V or DC at 1...") Tag: Visual edit

14:2214:22, 28 January 2025 AT&T Long Lines (hist | edit) [2,092 bytes] Intcreator (talk | contribs) (Created page with "'''AT&T Long Lines''' was a network of telecommunications equipment in the United States that provided long distance connectivity to the Bell System. Initially connections were made with wire, but it is most known for its usage of microwave relay stations.") Tag: Visual edit originally created as "Long Lines"
14:1514:15, 28 January 2025 Microwave relay station (hist | edit) [416 bytes] Intcreator (talk | contribs) (Created page with "A '''microwave relay station''' is a site where microwave reception and transmission equipment is installed for the purpose of relaying telephone and television signals across long distances. The most notable usage of this is in the AT&T Long Lines network. These stations are usually located on the tops of hills to maximize their range which is limited by line-of-sight propagation.") Tag: Visual edit

23:3523:35, 24 January 2025 CMS:803C Ringing and Tone Plant (hist | edit) [4,191 bytes] Sarah (talk | contribs) (created the page) Tag: Visual edit originally created as "803C Ringing and Tone Plant"

10:1410:14, 21 January 2025 North Electric (hist | edit) [263 bytes] Intcreator (talk | contribs) (Created page with "'''North Electric''' was an American telephone equipment supplier primarily for independent telephone companies in North America. It manufactured several all-relay switches, including the CX 10, CX 100, and CX 1000.") Tag: Visual edit

09:5309:53, 19 January 2025 CX 100 (hist | edit) [1,949 bytes] Intcreator (talk | contribs) (Created page with "The '''CX 100''' is an all-relay switch manufactured by North Electric.") Tag: Visual edit
09:4409:44, 19 January 2025 No. 36-A-1 (hist | edit) [167 bytes] Intcreator (talk | contribs) (Created page with "The '''No. 36-A-1''' is a 19 line capacity rotary line switch manufactured by Automatic Electric.") Tag: Visual edit