The latest Sentinel and CAT software can be downloaded from the Calnex Software Download site. Release notes are also available from the same location.
A Software Download login is required to access the software download area. If you do not yet have a login, please contact support@calnexsol.com.
Upload the Firmware File
This can be done either using a USB memory stick, or FTP if the Sentinel is accessible remotely via the management interface.
USB
If using USB copy the downloaded Sentinel Firmware file onto a memory stick and insert the memory stick into the Sentinel’s USB Host Port. Select System > File Management and copy the file to an appropriate location on the Sentinel’s internal memory.
FTP
If using FTP upload the file to the Sentinel’s internal memory.
Update the Firmware
Select System > About > Update Firmware |  |
Navigate to the previously uploaded firmware file, highlight it, then select OK |  |
Confirm the versions shown in the popup, and select Yes |  |
The firmware will be extracted, then the Sentinel will reboot. |  |
After the Sentinel has rebooted, all installed packet modules will then be updated. Do not shutdown or reboot during this update. |  |
The update version can be verified in the About screen | 
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