Paradyne CSU User Manual

8. Troubleshooting

9128-A2-GB20-80

September 2002

Cannot access the unit 
or the menu-driven 
user interface.

Login or password is 
incorrect, COM port is 
misconfigured, or the unit is 
otherwise configured so it 
prevents access.

„

Reset the unit (see 

page 8-4).

„

Contact your service 
representative.

Failure 

xxxxxxxx 

appears at the top of 
the System and Test 
Status screen, at 
Self-Test Results.

The unit detects an internal 
software failure. 

„

Record the 8-digit code from 
the System and Test Status 
screen.

„

Reset the unit and try again.

„

Contact your service 
representative and provide the 
8-digit failure code.

An LED appears 
dysfunctional.

LED is burned out.

Run the Lamp Test. If the LED in 
question does not flash with the 
other LEDs, then contact your 
service representative.

Not receiving data.

Network cable loose or 
broken.

„

Reconnect or repair the cable.

„

Call the network service 
provider.

Receiving data errors 
on a multiplexed DLCI, 
but frame relay is okay.

Frame Relay Discovery is 
being used for automatic 
DLCI and PVC 
configuration.

The equipment at the other 
end is not frame relay 
RFC 1490-compliant.

Change the DLCI Type for each 
network DLCI from Multiplexed to 
Standard, turning off multiplexing.