TRENDnet TE100 S810Fi - Manual (Page 76)

value from here, but you must put back image in TFTP server, switch will
download back flash image.
5-4-13-2. TFTP Backup Configuration
Use this page to set TFTP server IP address. You can save current
EEPROM value from here, then go to the TFTP restore configuration page
to restore the EEPROM value.