Tag Archives: osn500

Please Note That Data Boards May Fail to Start Up After an Upgrade on OptiX OSN 550/500

Summary: 0.03% to 0.1% of certain models of data boards and central switching boards with the basic BIOS version of 1.21 or earlier on OSN 550/500 NEs fail to start up after the NEs are upgraded, which results in the rollback of the NE version. The issue is solved after the boards are replaced. Trigger conditions:… Read More »

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