
CHAPTER 5 RS-232 (V.24) INTERFACE 49
Starting With Faulty Software
If the soware installed on the managed switch (rmware) is faulty, you can restore or up-
date the rmware using an update.
Connect the switch to your PC via the serial RS-232 (V.24) interface. Make sure that your
HyperTerminal is congured correctly.
Figure 5.5 – Screen Displayed on HyperTerminal When Booting
If the device rmware is faulty, the following message appears (see Figure 5.6):
Figure 5.6 – Selection Menu for Faulty Firmware
Press a to download the new soware. e following message appears (see Figure 5.7):
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