Paradyne CSU User Manual
8. Troubleshooting
9128-A2-GB20-80
September 2002
8-17
ISDN DBM Problems
See
, for additional information about ISDN problems. Last
Cause Value messages appear on the DBM Interface Status screen.
Main Menu
→
Status
→
DBM Interface Status
See
, for more information about ISDN DBM
configuration.
Table 8-4.
ISDN DBM Problems
Symptom
Possible Cause
Solutions
Cannot connect to the
remote unit
remote unit
Misconfiguration
Verify that the link profiles are
correct in both units, both the
area codes and phone or ID
numbers (see
correct in both units, both the
area codes and phone or ID
numbers (see
For a BRI DBM, verify that the
SPIDs and local area codes
and phone numbers are
correct (see
SPIDs and local area codes
and phone numbers are
correct (see
Options).
Verify that the unit at one end is
configured to originate and the
unit at the other end is
configured to answer a call.
configured to originate and the
unit at the other end is
configured to answer a call.
Verify that the ISDN interface is
enabled.
enabled.
Verify that Auto Backup is
enabled and no time
restrictions apply.
enabled and no time
restrictions apply.
DBM LMI comes up,
but no data is
transferred
but no data is
transferred
Misconfiguration
Check that the DLCI numbers are
correct and are the same at both
ends.
correct and are the same at both
ends.