Planex BLW-54PM User Manual page 60

You must first download the upgrade file, then select Upgrade on the Administration menu.
You will see a screen like the following.
To perform the Firmware Upgrade:
3. Click the Browse button and navigate to the location of the upgrade file.
4. Select the upgrade file. Its name will appear in the Upgrade File field.
Click the Start Upgrade button to commence the firmware upgrade.
5.
Note:
The BLW-54PM is unavailable during the upgrade process, and must restart when the upgrade
is completed. Any connections to or through the BLW-54PM will be lost.
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Figure 32: Upgrade Firmware Screen