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5-6
Now that the console communication baud rate of the switch has been changed to 115200 bps while
that of the terminal is still 38400 bps, the two sides cannot communicate with each other. According to
the prompt, you need to change the baud rate of the terminal to 115200 bps.
z Typically, the size of a .bin file is over 9 MB. Even at a baud rate of 115200 bps, the update takes
tens of minutes.
z If you select 38400 bps as the download rate, you can skip the step “Change the rate of the serial
port on the terminal
.”
5) Change the rate of the serial port on the terminal
To ensure communication between the terminal and the switch, the baud rate of the serial port on the
terminal should be consistent with that of the console port on the switch.
Step1 Select Call > Disconnect in the HyperTerminal window to disconnect the terminal from the switch.
Figure 5-1 Disconnect the terminal from the switch
Step2 Select File > Properties. In the Properties dialog box, click Configure (as shown in
Figure 5-2), and
then select 115200 from the Bits per second drop-down list box (as shown in
Figure 5-3).