Soluting method for protection of loop fault of optical transmission network by four fiber complex section sharing
A shared protection ring and optical transmission network technology, applied in the field of optical transmission, can solve problems such as service interruption of network elements on the ring network, misunderstanding of staff, and high switching level
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[0024] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] figure 1 It has been explained in the background technology section.
[0026] figure 2 It is a flow chart of the method of the present invention, and the specific process of using the method of the present invention to solve problem 1 and problem 2 is illustrated in conjunction with this figure:
[0027] Assuming that the protection switching protocol signaling is transmitted on the protection fiber, select a channel of the working fiber to transmit the response signaling, for example figure 1 The W1 and W2 working fibers in the Assuming that the protection optical fiber P1 between network elements A and B is interrupted, if network element A has the FS_R network management command in the direction of A->B, the steps to establish ring bridge switching at this time are as follows:
[0028] Step 1: When netw...
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