TRENDnet TEG-448WS User Manual page 30

Firmware Upgrade: When the device has a new function, there will
be a new firmware to update the device, use this function to update.
Select the path of where the firmware updated firmware is located by
clicking "Browse". Once you have selected the firmware, type the
password of the device and click the "Start" button to proceed.
Figure 13. Firmware Upgrade
Access Web: Double click the device in the Monitor List or select a
device in the Monitor List and press this "Web Access" button to
access the device in Web browser.
DHCP Refresh: Press this "DHCP Refresh" button to refresh IP
address of selected device form DHCP server.
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