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TAU-4M.IP Subscriber gateway
6
SYSTEM RECOVERY AFTER A FIRMWARE UPDATE FAILURE
If the firmware update procedure (via Web interface or via automatic DHCP-based update mechanism)
fails (for example, due to an accidental power outage), as a result, further device operation became impossible
(the 'Power' indicator is constantly on in red), use the following device recovery algorithm:
Unpack the firmware file.
Connect the PC to the device's WAN port, set the address from the 192.168.1.0/24 subnet on the
network interface.
Run the TFTP client on the PC (for Windows, it is recommended to use the Tftpd32), specify
192.168.1.6 as the remote host address, and select the linux.bin file from the unpacked software
archive for transfer.
Run the command to send a file to a remote host (the
Put
command). The process of transferring
the file to the
TAU-4M.IP
device should start.
If the file transfer process has begun - wait for it to finish, after which the
TAU-4M.IP
will record
the firmware to the memory and automatically start the system. The recording time is about 5
minutes. The successful recovery of the device is indicated by the orange or green color of the
'Power' indicator. At the same time, the device saves the configuration that was before the failure.
If you can not connect to the device - reset to factory settings.
If the file transfer process has not started, make sure that computer’s network settings are correct
and try again. In case of failure - the device must be sent for repair or to perform a recovery by
connecting to the device via the COM port via a special adapter (if available).