3com 3031 Instruccion De Instalación

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Troubleshooting
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Execute the corresponding script in interface view, supposing the modem is 
connected to the interface tty1. Using the 
display user-interface tty 1
 
command to see the absolute index be 1.
<3Com> start-script dial 1
Troubleshooting
Fault: Modem is in abnormal status (such as the dial tone or busy tone keeps 
humming for a long time).
Troubleshooting:
Execute the commands 
shutdown
 and 
undo shutdown
 on the router physical 
interface connected to the Modem to check whether the Modem has been 
restored to normal status.
If the Modem is still in abnormal status, you can re-power the Modem.