Protective method and protective system for abnormal situation in upgrading of gigabit passive optical network terminal
A passive optical network and abnormal situation technology, applied in the transmission system, data exchange network, digital transmission system, etc., can solve the problems of frequent actions, user network paralysis, high abnormal situation, etc., to improve the success rate and accuracy, improve Maintainability and Robustness, Guaranteed Validity Effects
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[0044] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0045] The present invention realizes the protection method of abnormal situation in GPON terminal upgrade such as image 3 As shown, including the following steps:
[0046] Step 301: The ONU / ONT receives the End download command from the OLT, and the ONU / ONT ends the download and saves the version file.
[0047] Step 302: The ONU / ONT judges whether the downloaded version file is complete and correct. If it is complete and correct, it executes step 303 and responds that the OLT device is busy; if it is incomplete or incorrect, it responds to the OLT command processing error and ends the current processing flow .
[0048] Step 303: ONU / ONT prepares to burn the version file, start the programming program, and further judge whether the version file to be burned is valid, if it is valid, go to step 304; if it is invalid, end the programming process with the f...
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