Trunk optical fibre protection inverting device and method for EPON system
An optical fiber protection and trunking technology, applied in transmission systems, electromagnetic wave transmission systems, electrical components, etc., can solve problems such as no actual technical solutions are given, not found, etc., to enhance the automatic recovery function of trunk optical path failures, improve reliability, The effect of low construction complexity
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[0045] As mentioned above, the technical solution provided by the present invention realizes the main optical fiber protection switching function of the EPON system. In this technical solution, the organizational structure of the main optical fiber protection switching device and the main optical fiber protection switching method will be introduced in detail below in conjunction with the accompanying drawings step process.
[0046] Firstly, compare Fig. 2 and Fig. 3 to visually understand the problems to be solved by the technical solution of the present invention. Wherein, FIG. 2 is a schematic diagram of EPON system backbone optical fiber protection proposed by industry standards, and FIG. 3 is a schematic diagram of EPON system backbone optical fiber protection using the backbone optical fiber protection switching device of the present invention.
[0047] As shown in Figure 2, in the backbone optical fiber protection mode suggested by this industry standard: the optical lin...
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