ZyXEL Communications P-334WT Support Notes page 3

The default console port baud rate is 9600bps, you can change it to 115200bps in Menu 24.2.2 to speed
up the SMT access.
3. What is the default console port baud rate? Moreover, how do I change it?
The default console port baud rate is 9600bps. When configuring the SMT, please make sure the
terminal baud rate is also 9600bps. You can change the console baud rate from 9600bps to 115200bps in
SMT menu 24.2.2.
4. How do I upload the ZyNOS firmware code via console?
The procedure for uploading Prestige via console is as follows.
a. Enter debug mode when powering on the Prestige using a terminal emulator
b. Enter 'ATUR' to start the uploading
c. Use X-modem protocol to transfer the ZyNOS code
d. Enter 'ATGO' to restart the Prestige.
5. How do I upgrade/backup the ZyNOS firmware by using TFTP client program via LAN?
The Prestige allows you to transfer the firmware from/to Prestige by using TFTP program via LAN. The
procedure for uploading ZyNOS via TFTP is as follows.
a. Use the TELNET client program in your PC to login to your Prestige.
b. Enter CI command 'sys stdio 0' in menu 24.8 to disable console idle timeout
c. To upgrade firmware, use TFTP client program to put firmware in file 'ras' in the Prestige. After
data transfer is finished, the Prestige will program the upgraded firmware into FLASH ROM and
reboot itself.
d. To backup your firmware, use the TFTP client program to get file 'ras' from the Prestige.
6. 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 ROMFILE via the console port is as follows.
a. Enter debug mode when powering on the Prestige using a terminal emulator
b. Enter 'ATLC' to start the uploading
c. Use X-modem protocol to transfer ROMFILE
d. Enter 'ATGO' to restart the Prestige.