Troubleshooting Table - Paradyne ACCULINK 316x Operator's Manual

The ACCULINK 316x DSU/CSU is designed to
provide you with many years of trouble-free service.
However, Table F-1 gives you some direction if a
Symptom
No power 1. The power cord is not securely plugged into
the wall receptacle or rear panel connector.
2. The wall receptacle has no power.
Power-Up The DSU/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
DSU/CSU.
3. T1 facility problem.
Message LOS at 1. DSX-1 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 DSU/CSU.
2. Network cabling problem.
3. T1 facility problem.
Message OOF at 1. Incompatible framing format between the
DTE appears DSX-1 port on the CPE and the DSU/CSU.
2. DSX-1 cabling problem.
Message 1. Network cable problem.
Yellow at Net
2. Far-end DSU/CSU/DTE has lost framing sync
appears
on the T1 line.
3. T1 facility problem.
3160-A2-GB22-10

Troubleshooting Table

Table F-1
(1 of 2)
Troubleshooting
Possible Cause
December 1996
problem occurs. For problems other than those listed in
the table, please contact your service representative
immediately (see Chapter 1, Introduction, for more
information).
Solutions
1. Check that the power cord is securely
attached at both ends.
2. Check the wall receptacle power by plugging
in some equipment that is known to be
working.
Contact your field service representative.
1. Check that the network cable is securely
attached at both ends.
2. Check far-end DSU/CSU status.
3. Contact your T1 facility provider.
1. Check that the 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 T1 facility provider.
1. Check that the framing format for the DSX-1
(DTE) interface is correct.
2. Check that the DSX-1 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 T1 facility provider.
F
F-1