Device and method for rapidly detecting time division multiplexing optical network link fault
A network link and optical multiplexing technology, which is applied in electromagnetic wave transmission systems, electrical components, transmission systems, etc., can solve the problems of low detection speed and large amount of calculation data, so as to improve the detection speed, solve the problem of large amount of calculation data, The effect of reducing the amount of calculated data
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Embodiment 1
[0028] A device for quickly detecting link failures in a time-division multiplexing optical network, including a time-division multiplexing optical network and a detection device;
[0029] The time division multiplexing optical network includes an optical terminal, a feeder fiber, an optical splitter of 1 n+1 channels, n+1 optical fibers, and n optical network units; the shortest 1 optical fiber in the n+1 optical fibers is used as a reference branch The other n fibers are all used as branch fibers; the optical terminal is connected to the common port of the optical splitter through the feeder fiber; one of the n+1 split ports of the optical splitter connected to the reference branch fiber is defined as the first split port , and the remaining n splitter ports are respectively defined as the 2nd to n+1th splitter ports; the second to n+1th splitter ports of the optical splitter are connected to the incident end faces of n optical network units through n branch fibers in one-to-...
Embodiment 2
[0045] A device for quickly detecting link failures in a time-division multiplexing optical network, including a time-division multiplexing optical network and a detection device;
[0046] The time division multiplexing optical network includes an optical terminal, a feeder fiber, an optical splitter of 1 n+1 channels, n+1 optical fibers, and n optical network units; the shortest 1 optical fiber in the n+1 optical fibers is used as a reference branch The other n fibers are all used as branch fibers; the optical terminal is connected to the common port of the optical splitter through the feeder fiber; one of the n+1 split ports of the optical splitter connected to the reference branch fiber is defined as the first split port , and the remaining n splitter ports are respectively defined as the 2nd to n+1th splitter ports; the second to n+1th splitter ports of the optical splitter are connected to the incident end faces of n optical network units through n branch fibers in one-to-...
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