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What is the function of an all-optical networking switch

An all-optical Ethernet switch is a network switch whose service ports are entirely optical, meaning every interface uses fiber rather than copper. This design enables end-to-end optical signal transmission, avoiding the conversion between electrical and optical signals at the switch port level. Its primary function is to route data carried by light without converting the signal into an electrical form for processing, defining it as a true. Optical networking is a data-transfer technology that uses pulses of light to transmit data. The above definition of an all-optical switch is rather general, encompassing many possible devices.