A B Switch
A device that accepts inputs (optical or electrical) from a primary path and a secondary path to provide automatic or manual switching in the event that the primary path signal is broken or otherwise disrupted. In optical A/B switches, optical signal power thresholds dictate whether the primary path is functioning and signals a Switch to the secondary path until Optical Power is restored to the primary path.
Related Terms
A B Switch,
Bypass Switch,
Optical Switch,
Packet Switch,
Switch,
Wavelength Routing Switch,
External links for A B Switch
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A B Switch on Answers
A B Switch on The Free Dictionary
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