Troubleshooting - Paradyne 3162 User Manual

Troubleshooting

3162-A2-GB20-40
The DSU/CSU is designed to provide you with trouble-free service. However,
Table 5-8 gives you some direction if a problem occurs.
For problems other than those listed in the table, please contact your service
representative.
Table 5-8. Troubleshooting (1 of 2)
Symptom
No power
Power-On Self-Test fails
Message LOS at
Network appears
Message LOS at DTE
appears
Message OOF at
Network appears
August 2000
Possible Cause
1. The power module is not
securely attached.
2. The wall receptacle has
no power.
The DSU/CSU has
detected an internal
hardware failure.
1. Network cable problem.
2. No signal is being
transmitted at the far
end.
3. Facility problem.
1. 1.DTE Drop/Insert
(DSX-1) cable problem.
2. No signal being
transmitted from the
DTE.
1. Incompatible framing
format between the
network and the
DSU/CSU.
2. Network cabling
problem.
3. Facility problem.
Monitoring and Testing
Solutions
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
Drop/Insert (DSX-1)
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.
5-15