Ap9640 Firmware ((link)) Download Direct

: Version 2.5.5.1 remains a common stable release for users not yet on the v3.0 subscription-only path. Key Upgrade Methods

Maintaining up-to-date firmware on your APC AP9640 Network Management Card 3 (NMC3) Go to product viewer dialog for this item. ap9640 firmware download

The AP9640 generally allows for firmware downgrades within the same major release version, but it is not recommended unless directed by APC Technical Support. If you must downgrade, the process is the same as the update procedure above. : Version 2