Optical fiber Ethernet intelligent branching unit switching method based on FPGA
A technology of Ethernet and splitter, applied in the field of network security, can solve problems such as single function, single function, no internal data packet information statistics function and automatic switching, etc., to achieve the effect of ensuring communication quality
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[0039] Such as figure 1 As shown, the entire working scenario is: the front end of the intelligent splitter is connected to the external optical network, the main device and the backup device are connected in the middle, and the rear end is connected to the LAN through optical fiber. Under normal circumstances, the main device is connected to the network. Once the main device fails or the bit error rate exceeds a certain threshold, switch to the backup device and use the backup device to communicate. The system can still work uninterrupted. Thereby ensuring that the network will not be paralyzed due to the failure of a single device.
[0040] A switching system based on the switching method of the FPGA-based optical fiber Ethernet intelligent splitter has the following effects:
[0041] 1. Photoelectric signal processing: convert the optical signal from the external optical network into an electrical signal, and the optical signal is connected to the FPGA in the TBI data form...
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