Chapter 55 Troubleshooting

55.16 Recovering the Firmware

Usually you should use FTP or the web configurator to upload the IES-612-51A’s firmware. If the IES-612-51A will not start up, the firmware may be lost or corrupted. Use the following procedure to upload firmware to the IES-612-51A only when you are unable to upload firmware through FTP.

"This procedure is for emergency situations only.

1Obtain the firmware file, unzip it and save it in a folder on your computer.

2Connect your computer to the console port and use terminal emulation software configured to the following parameters:

•VT100 terminal emulation

•9600 bps

•No parity, 8 data bits, 1 stop bit

•No flow control

3Turn off the IES-612-51A and turn it back on to restart it and begin a session.

4When you see the message Press any key to enter Debug Mode within 3 seconds, press a key to enter debug mode.

5Type atba5 after the Enter Debug Mode message (this changes the console port speed to 115200 bps).

6Change the configuration of your terminal emulation software to use 115200 bps and reconnect to the IES-612-51A.

7Type atur after the Enter Debug Mode message.

8Wait for the Starting XMODEM upload message before activating XMODEM upload on your terminal.

9This is an example Xmodem configuration upload using HyperTerminal. Click Transfer, then Send File to display the following screen.

Figure 297 Example Xmodem Upload

Type the firmware file's location, or click Browse to search for it. Choose the 1K Xmodem protocol. Then click Send.

10 After a successful firmware upload, type atgo to restart the IES-612-51A. The console port speed automatically changes back to 9600 bps when the IES-612-51A restarts.

 

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IES-612-51A User’s Guide