Method and device for realizing all-fiber protection
An all-optical fiber and optical link terminal technology, applied in the direction of selection devices, multiplexing system selection devices, electrical components, etc., can solve problems such as unfavorable network condition monitoring, unfavorable protection system configuration, and link failure. Achieve the effect of improving configurability and manageability, and improving system practicability
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[0028] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0029] figure 1 shows a schematic diagram of an all-fiber protection network according to an embodiment of the present invention, as shown in figure 1 As shown, each ONU is connected to two independent 1:N optical splitters through two PON ports, and the other end of one 1:N optical splitter is connected to a PON port of the OLT, and the other 1:N optical splitter The other end of the N optical splitter is connected to another PON port of the OLT. Among them, the OLT is the leading device of the EPON system. Users can configure various request states through the man-machine interface provided on the OLT; the ONU is a passive device that performs switchin...
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