ZyXEL P-791R v2 用户指南
P-791R v2 Support Notes
(2) To upgrade firmware, use TFTP client program to put firmware in file
'ras' in the P-791R v2. After data transfer is finished, the P-791R v2 will
program the upgraded firmware into FLASH ROM and reboot itself.
program the upgraded firmware into FLASH ROM and reboot itself.
(3) To backup your firmware, use the TFTP client program to get file 'ras'
from the P-791R v2.
5. How do I upload ROMFILE via console port?
In some situations, you may need to upload the ROMFILE, such as losing the
system password, or the need of resetting SMT to factory default.
The procedure for uploading via the console port is as follows.
Enter debug mode when powering on the P-791R v2 using a terminal emulator
Enter 'ATLC' to start the uploading
Use X-modem protocol to transfer ROMFILE
Enter 'ATGO' to restart the P-791R v2
In some situations, you may need to upload the ROMFILE, such as losing the
system password, or the need of resetting SMT to factory default.
The procedure for uploading via the console port is as follows.
Enter debug mode when powering on the P-791R v2 using a terminal emulator
Enter 'ATLC' to start the uploading
Use X-modem protocol to transfer ROMFILE
Enter 'ATGO' to restart the P-791R v2
6. How do I restore P-791R v2 configurations by using TFTP client
program via LAN?
(1) Use the TELNET client program in your PC to login to your P-791R v2.
(2) Enter CI command 'sys stdio 0' disable Stdio idle timeout
(3) To backup the P-791R v2 configurations, use TFTP client program to
(2) Enter CI command 'sys stdio 0' disable Stdio idle timeout
(3) To backup the P-791R v2 configurations, use TFTP client program to
get file 'rom-0' from the P-791R v2.
(4) To restore the P-791R v2 configurations, use the TFTP client program
to put your configuration in file rom-0 in the P-791R v2.
7. What should I do if I forget the system password?
In case you forget the system password, you can erase the current
configuration and restore factory defaults this way:
configuration and restore factory defaults this way:
Use the RESET button on the rear panel of P-791R v2 to reset the router.
After the router is reset, the LAN IP address will be reset to '192.168.1.1', the
common user password will be reset to 'user', the dministrator password will
be reset to ‘1234’.
After the router is reset, the LAN IP address will be reset to '192.168.1.1', the
common user password will be reset to 'user', the dministrator password will
be reset to ‘1234’.
8. How to use the Reset button?
(1) Turn your P-791R v2 on. Make sure the POWER LED is on (not
blinking)
(2) Press the RESET button for six seconds and release it. If the POWER
LED begins to blink, the default configuration has been restored and
the P-791R v2 restarts.
the P-791R v2 restarts.
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