Troubleshooting - Paradyne 3150 Operator's Manual

ACCULINK 315x CSU

Troubleshooting

The CSU is designed to provide you with trouble-free
service. However, Table 4-6
problem occurs.
Symptom
No power 1. The power module is not securely attached.
2. The wall receptacle has no power.
Power-Up The CSU has detected an internal hardware
Self-Test fails failure.
Message LOS at 1. Network cable problem.
NET appears
2. No signal is being transmitted at the far-end.
3. Facility problem.
Message LOS at 1. DTE cable problem.
DTE appears
2. No signal being transmitted from the DTE.
Message OOF at 1. Incompatible framing format between the
Net appears network and the CSU.
2. Network cabling problem.
3. Facility problem.
Message OOF at 1. Incompatible framing format between the
DTE appears Drop/Insert port on the customer premises
equipment and the CSU.
2. DTE cabling problem.
Message 1. Network cable problem.
Yellow at Net
appears
2. Far-end device has lost framing sync on the
line.
3. Facility problem.
Message DTE has detected an LOS or LOF condition.
Yellow at DTE
appears
Message 1. Upstream device is transmitting an AIS.
AIS at Net
2. The network is transmitting an AIS.
appears
4-10
gives you some direction if a

Troubleshooting

Possible Cause
February 1998
For problems other than those listed in the table, please
contact your service representative.
Table 4-6
(1 of 2)
1. Check the power module attachment.
2. Check the wall receptacle power by plugging
in some equipment that is known to be
working.
Contact your service representative.
1. Check that the network cable is securely
attached at both ends.
2. Check the far-end status.
3. Contact your facility provider.
1. Check that the DTE cable is securely attached
at both ends.
2. Check the DTE status.
1. Check that the framing format for the network
interface is correct.
2. Check that the network cable is securely
attached at both ends.
3. Contact your facility provider.
1. Check that the framing format for the DTE
interface is correct.
2. Check that the DTE cable is securely attached
at both ends.
1. Check that your network cable is securely
attached at both ends.
2. Check the status of the far-end device.
3. Contact your facility provider.
1. Check the status of the DTE.
2. Check that the DTE cable is securely attached
at both ends.
1. Check the status of the upstream device(s).
2. Contact your facility provider.
Solutions
3150-A2-GB21-80