LYCOS RETRIEVER 
Switch: Mbps Fe
built 644 days ago
A changeover switch provides two distinct events, the making of one contact and the breaking of the other. These can be used to feed the inputs of a flip-flop. This way the press will only be detected when the pressed contact is made and the release will only be detected when the released contact is made. When the switch is bouncing around in the middle no change is detected. To get a single logic signal from such a setup a simple SR latch can be used.
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A "toggle switch" has a lever protruding from the front. The lever is sometimes described as "bat handle", because it sometimes looks like a little baseball bat. Toggle switches tend to have a very positive feel and look to them: they are designed so you can easily tell if the switch is on or off.
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[S]witch" is principally a marketing term; interconnection of different Layer 3 networks is done by routers. If there are any features that characterize "Layer-3 switches" as opposed to general-purpose routers, it tends to be that they are optimized, in larger switches, for high-density Ethernet connectivity.
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Mbps Fe