ZyXEL Communications 650 Series User Manual

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Prestige 650 Series User’s Guide 
A-2  
Troubleshooting 
A.1.3 DSL LED 
The DSL LED on the front panel does not light up.  
Chart A-3 Troubleshooting DSL LED 
STEPS CORRECTIVE 
ACTION 
Check the telephone wire and connections between the Prestige DSL port and the wall jack. 
Make sure that the telephone company has checked your phone line and set it up for DSL service. 
Reset your ADSL line to reinitialize your link to the DSLAM. For details, refer to the Maintenance 
chapter (web configurator) or the System Information and Diagnosis chapter (SMT). 
If these steps fail to correct the problem, contact your local distributor for assistance. 
A.2  Console Port  
I cannot access the Prestige via the console port. 
Chart A-4 Troubleshooting Console Port  
STEPS CORRECTIVE 
ACTION 
Make sure the Prestige is connected to your computer's serial port. 
Make sure the communications 
program is configured correctly. The 
communications software should be 
configured as follows: 
 VT100 terminal emulation. 
9600 bps is the default speed on leaving the factory. Try 
other speeds in case the speed has been changed. 
No parity, 8 data bits, 1 stop bit, data flow set to none. 
Make sure you entered the correct password. The default password is “1234”.  
If you have forgot your username or password, refer to Section A.5.  
A.3 Telnet 
 
I cannot telnet into the Prestige. 
Chart A-5 Troubleshooting Telnet 
STEPS CORRECTIVE 
ACTION 
Check the LAN port and the other Ethernet connections.