ZyXEL Communications OMC-2301, User Manual

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Chapter 21 Troubleshooting
OMC-2301 User’s Guide
196
Figure 75 Reload the Configuration File: Via Console Port
The OMC is now reinitialized with a default configuration file including the default password
of “1234”.
21.5.3 Recovering the Firmware
Usually you should use the web configurator, FTP or the console port to upload the OMC’s
firmware. If the OMC will not start up, the firmware may be lost or corrupted. Use the
following procedure to upload firmware to the OMC only when you are unable to use another
method to upload firmware.
"
This procedure is for emergency situations only.
1 Obtain the firmware file, unzip it and save it in a folder on your computer.
2
Connect your computer to the console port and use terminal emulation software
configured to the following parameters:
3 Turn off the OLT-2300 and turn it back on to restart it and begin a session.
4
When you see the
Press any key to enter Debug Mode within 3 seconds
message
,
press a key to enter debug mode.
5
Type
atba5
after the
Enter Debug Mode
message (this changes the console port
speed to 115200 bps).
Bootbase Version: V00.00.03 | 02/06/2007 09:30:35
RAM:Size = 128 Mbytes
DRAM POST: Testing:131072K OK
DRAM Test SUCCESS !
FLASH: Intel 64M
ZyNOS Version: V3.60(ARH.0)b5 | 02/06/2007 09:31:05
Press any key to enter debug mode within 3 seconds.
...............
Enter Debug Mode
sysname> atlc
Starting XMODEM upload (CRC mode)....
CCCCCCCCCCCCCCCC
Total 393216 bytes received.
Erasing..
................................................................
OK
sysname> atgo
• VT100 terminal emulation • 115200 bps
• No parity, 8 data bits, 1 stop bit • No flow control