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A "4-way" (intermediate) switch is a purpose built double pole, double throw (DPDT) switch, internally wired in manufacture to reverse the connections between the input and output and having only four external terminals. This switch has two pairs of "traveler" terminals that it connects either straight through, or crossed over (transposed, or ...
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Timesaver is a well-known [1] model railroad switching puzzle (U.K. English: shunting puzzle) created by John Allen. [2] It consists of a specific track layout, a set of initial conditions, a defined goal, and rules which must be obeyed while performing the shunting operations.
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Each stage is made up of a number of crossbar switches (see diagram below), often just called crossbars. The network implements an r-way perfect shuffle between stages. Each call entering an ingress crossbar switch can be routed through any of the available middle stage crossbar switches, to the relevant egress crossbar switch.
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The Atari 5200 SuperSystem or simply Atari 5200 is a home video game console introduced in 1982 by Atari, Inc. as a higher-end complement for the popular Atari Video Computer System. [2] The VCS was renamed to Atari 2600 at the time of the 5200's launch. [ 3 ]