TRENDnet TFC-1600MM Configuration Manual page 17

Appendix A
When forgot the password
Boot up the chassis system and press the escape button repetitious three to four times,
then press "root" for login the BIOS setting, some command key as follow: help, ls(list),
sysconf (system configuration), flash, boot
Help: to check the usage of the command list.
Ls: to list out the command key.
Sysconf: to configure or view the system parameter to IIC
EEPROM.
Flash: to flash the image file from TFTP server.
Boot: to boot up the system.
The usage will indicate out on the screen when the command key input
error.