system signaling and supervision

  • 1Washington Metro signaling and operation — Red signal ahead of Silver Spring pocket track on the B Route. Signaling and operation on the Washington Metro system involves train control, station identification, train signaling, signage, and train length. As with any working railroad,… …

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  • 2Signaling (telecommunications) — In telecommunication, signaling (signalling in British spelling) has the following meanings: the use of signals for controlling communications the information exchange concerning the establishment and control of a telecommunication circuit and… …

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  • 3Disconnect supervision — is a term in telephony describing signaling between the telephone exchange and a connected party used to indicate that the connected call is being disconnected. For example the called party may indicate to the telephone exchange that the call is… …

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  • 4Answer supervision — is a term in telephony, describing a situation whereby the called party indicates to the central office that the call is being answered by the called party. by allowing loop current to flow in the line.OverviewCAS E M Signaling BasicsFor digital… …

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  • 5Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …

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  • 6Office of Thrift Supervision — Agency overview Formed August 9, 1989 Preceding agency Federal Home Loan Bank Board Dissolved …

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  • 7Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …

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  • 8European Train Control System — The European Train Control System (ETCS) is a signalling, control and train protection system designed to replace the many incompatible safety systems currently used by European railways, especially on high speed lines. History The specification… …

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  • 9Comparison of cricket and baseball — Cricket and baseball are the best known members of a family of related bat and ball games. While many of their rules, terminology, and strategies are similar, there are many differences some subtle, some major between the two games. Other present …

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  • 10MIL-STD-188 — is a series of U.S. military standards relating to telecommunications. PurposeFaced with “past technical deficiencies in telecommunications systems and equipment and software…that were traced to basic inadequacies in the application of… …

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