Paradyne CSU User Manual

8. Troubleshooting

9128-A2-GB20-80

September 2002

OOF at Network 1

An Out of Frame (OOF) 
condition is detected on the 
network interface. 

„

Incompatible framing 
format between the 
network and the 
FrameSaver unit.

„

Network cabling 
problem.

„

T1 facility problem.

„

Check that the framing format 
for the network interface is 
correct.

„

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

„

Contact your network provider.

Path

IP_ Address 

Down, DLCI

nnnn

1

A path on the network 
interface is unavailable.

Determine why the path went 
down.

Power Supply/Fan 
Alarm

The power supply output 
voltage has dropped below 
the specified tolerance level 
required for the system. Or 
one or both fan trays are not 
operating properly.

Check the LEDs on the power 
supply and fan trays to determine 
which may have failed, then 
replace the failed component.

Primary Clock Failed

A failure of the configured 
primary clock source for the 
unit was detected and the 
secondary clock is 
providing the timing for the 
unit.

This condition clears when 
the configured primary 
clock is restored.

„

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

„

Contact your network provider.

Primary & Secondary 
Clocks Failed

A failure of both clock 
sources configured for the 
unit was detected.

This condition only applies 
to T1 network and DSX-1 
interfaces. It clears when 
the configured primary 
clock is restored.

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.