KB26914 - [M/MX/T-series] What is the meaning of the 'RXDATA is not derived from the optical line' error message?

⌂ KB26914 [M/MX/T-series] What is the meaning of the 'RXDATA is not derived from the optical line' error message? Version 2026-06-19 (paste date) Latest Versions [juniper.net]