3com MSR 30-20 Instruccion De Instalación

Upgrading Application Program Through Serial Port

Figure 57 Sending File interface

After completing download, the following information appears on terminal
interface to indicate download and upgrade success:

Download successfully!

434432 bytes downloaded!

Updating Extend BTM

Updating Extended BootRom.

Change the baud rate of the console terminal from 115200 bps to 9600 bps, and
then reboot the router.

■

The file name, size and path vary in different situations. Check the current
version of BootROM and application program in order to use correct file.

■

This method only upgrades a part of BootROM. You can re-upgrade when
error occurs.

■

Restore the baud rate in the HyperTerminal to 9600 bps (the default) after
upgrading the BootROM, so as to ensure normal display on the console screen
after system boot or reboot.

Upgrading Application
Program Through
Serial Port

Upgrading of application program through serial port is implemented under serial
submenu. Enter <2> in the main BootROM menu to enter the serial submenu.
Refer to “Enter serial submenu” on page 60 for detailed descriptions.

For example, when you upgrade application program:

First, change serial baud rate to speed up upgrading (refer to “Modifying Serial Port Parameters” on page 62 for details), and then enter <2> under serial
submenu. The system prompts:

Select program file please.

Waiting...CC

Select application program file and send it. Upgrading application program with
serial port takes the similar steps with upgrading BootROM. Refer to “Upgrading BootROM” on page 64 for details.