Qulsar Qg 2 Upgrade Path
Knowledge Base - FAQ
Can I upgrade my Qg 2 to the latest firmware?
An active software maintenance key is required to upgrade to the latest firmware and the Qg 2 unit's firmware must be at least version 12.2.1 before upgrading. Firmware 12.2.1 must be installed with the an active SWM license key before upgrading to the latest version. Firmware 12.2.1 can be found at https://www.viavisolutions.com/en-us/products/qg-2-multi-sync-gateway-and-ptp-grandmaster#resources_software_downloads