PLANET EPL-1000 - Manual (Page 80)

You can also check the version by the “Current Load Version” tag, it will show the relevant
information of OLT version.
Select the objective upgrade file, and click “Open” for upgrading.
After Clicking “open” button, the OLT will strat to upgrade the software. Remember to
reboot the OLT to apply the changes after upgrading the software.
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