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signalling panel

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  • Panel call indicator — Panel Call Indicator, or PCI, is a form of signalling used between two telephone offices.PCI was designed along with the panel type of telephone office. The original purpose of PCI was to allow panel subscribers to dial numbers in manual offices… …   Wikipedia

  • Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …   Wikipedia

  • Area Signalling Centre — (ASC) is a British term used to describe a modern railway signal box that controls a large area. Alternative names include Signalling Centre (SC), Signalling Control Centre (SCC) and Power Signal Box (PSB). A typical Signalling Centre may have… …   Wikipedia

  • Double line automatic signalling — is a form of railway signalling utilised on the majority of double line sections in New Zealand. Double Line Automatic Signalling utilises track circuits to detect the presence of trains in sections broken up by intermediate signals. Usually… …   Wikipedia

  • Kingswear railway station — UK stations name = Kingswear manager = Paignton and Dartmouth Steam Railway locale = Kingswear borough = Torbay latitude =50.34882 longitude = 3.57253 start = 1864 events = Opened platforms = 2Kingswear railway station is the terminus of the… …   Wikipedia

  • Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …   Wikipedia

  • Doncaster PSB — (Power Signal Box) is a signalling centre on the East Coast Main Line railway in the United Kingdom, principally covering the line from London to Edinburgh but also encompassing other lines diverging and converging to the ECML. The signal box… …   Wikipedia

  • Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

  • Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …   Wikipedia

  • Automotive lighting — Blinker redirects here. For other uses, see Blinker (disambiguation). Not to be confused with Magneti Marelli company AL Automotive Lighting. For lights in seafaring and aviation, see navigation light. The lighting system of a motor vehicle… …   Wikipedia

  • Paignton and Dartmouth Steam Railway — Heritage Railway name = Paignton and Dartmouth Steam Railway locale = Paignton, Devon, England terminus = Kingswear builtby = Dartmouth and Torbay Railway originalgauge = RailGauge|ussg preservedgauge = RailGauge|ussg linename = Kingswear branch… …   Wikipedia

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