OptiX OSN 550500
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: This problem may occur if the following conditions are met at the same time: An NE is upgraded. The NE uses one of the following boards: TNH1EM6T/F, TNM1EF8F, TNH1CSHDA/B, TNM1PCXLG, TNM1PCXX, TNM1PCXLX, TNM1PCXGB, or TNM1PCXGA. The basic […]