3com 3013 (3C13613) User Manual

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ROUBLESHOOTING
The Power LED is Off.
If the power LED is off, verify that:
The power switch of the router is turned on.
The power supply switch is turned on.
The power cord of the router is connected properly.
The power supply suits the requirement of the router.
CAUTION: Do not plug in or unplug the power cord when the power is on. After 
having checked the conditions in the previous list, if the power LED is still off, 
contact your Service representative.
Nothing is Displayed 
on the Terminal after 
Power-On
After the system runs the power-on self-test (POST), if the system operates 
normally, the start-up information is displayed on the console terminal. If the 
configuration system has a fault, the terminal may display nothing.
If the terminal does not display any information after the POST, verify that:
The power system is operating normally.
The console cable is connected correctly.
If the power system is normal and the console cable is connected properly, there 
may be something wrong with the console cable or the HyperTerminal 
parameters. Check the cable or the parameters. 
HyperTerminal parameters should have the following values:
Baud — 9600
Data bits — 8
Stop bit — 1
Parity — None
Flow control — None
Terminal emulation — VT100 
If the parameter settings do not match these values, reconfigure them.
If the previous checks do not solve the problem, contact your Service 
representative and follow the representative’s instructions.