Paradyne CSU User Manual

8. Troubleshooting

9128-A2-GB20-80

September 2002

Link Profile Disabled, 
ISDN Link Name

An ISDN backup call could 
not be made because the 
specified link profile was 
disabled.

Change the ISDN Link Profile’s 
Link Status to Auto (

Main 

Menu

→

Configuration

→

ISDN

→

Link Profiles).

LMI Down, 

frame relay 

link

The Local Management 
Interface is down for the 
specified frame relay link.

For the network interface:

„

If LMI was never up, verify that 
the LMI Protocol setting 
reflects the LMI type being 
used.

„

If LMI was never up:

– Verify that the proper time 

slots have been configured.

– Verify that the LMI Protocol 

setting reflects the LMI type 
being used.

„

Verify that Frame Relay 
Performance Statistics show 
LMI frames being transmitted.

If all of the above have been 
verified and the physical link is not 
in Alarm, contact your network 
provider.

For user data port:

„

Check that the DTE cable is 
securely attached at both ends.

„

Verify that Transmit Clock 
Source and Invert Transmit 
Clock options are properly 
configured.

„

Verify that Frame Relay 
Performance Statistics show 
LMI frames being received. If 
no frames are being received:

– Check the attached device.

– Verify that the LMI Protocol 

setting reflects the LMI type 
being used.

1

nnnn indicates a DLCI number of 16 through 1007.

2

frame relay link is one of the following: 
– Net1-FR1. The frame relay link specified for the network interface, Network 1.
– Port-

n. The frame relay link associated with a user data port.

– 

ISDN Link Name on a non-network ISDN DBM interface.

3

Does not apply to a TS Access Management Link DLCI.