Installation Manual
Maipu Confidential & Proprietary Information
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Chapter 5 Failure Handling
5.1 Power System Failure
SM3300-28FX Fast Ethernet Switch can check the power system failure according to the
power indicator on the front board: when the power system works normally, the power
indicator keeps on; if it is off, please examine as following:
The correct connection of power wire.
The matching of power supply of switch and power required.
5.2 Configuration System Failure
After The power of SM3300-28FX Fast Ethernet Switch is on, if the system works
normally, the booting information will be displayed in configuration terminal; if there is
failure in configuration
system, it will display nothing or illegible characters.
5.3 Failure Handling on No Displaying
After the power is on, if the configuration terminal displays nothing, please examine the
device as following:
The power works normally.
The correct connection of Console cable
If there is no problem in above examination, maybe there is something wrong with the
parameter configuration of the terminal (such as hyperterminal) or the configuration cable.
5.4 Failure Handling on Displaying Invalid Characters
If illegible characters are displayed, parameter configuration of terminal (such as
hyperterminal) is incorrect. Please affirm parameter