The PlumeOS 1.4.21.12-2 firmware release for Adtran's Service Defined Gateway (SDG) products is a system release that adds new features and addresses customer issues uncovered in previous code releases. The release is generally available code for the 854-6 and 854-v6 SDG platforms. Results obtained during internal testing have been evaluated and the code has been determined to be ready for general availability.
Features, fixes, and errata for the PlumeOS 1.4.21.12-2 firmware release are outlined in the attached PDF.