Paradyne 3160-A4 Operator's Manual page 137

Paradyne acculink dsu/csu data service unit models 3160-a4, 3161, 3164-a2, and 3165-a4 operator's guide
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Table 7-7.
3160-A2-GB24-10
Troubleshooting (2 of 3)
Symptom
Possible Cause
Mgmt link is down
1. The manager configuration is
mismatched with the
DSU/CSU configuration.
2. The manager's link layer
protocol is not running.
Modem In Use
The modem is in use.
No Answer Tone
The remote end does not
answer within 45 seconds.
No Dial Tone
The modem cannot dial because
there is no dial tone.
No power
1. The power module is not
securely attached.
2. The wall receptacle has no
power.
No SNMP
1. Cable problem.
communication via
the AUX port
(Model 3164)
2. The link layer protocol is not
running.
Power-on self-test
The DSU/CSU has detected an
fails
internal hardware failure.
1. Incompatible framing format
OOF at DTE
message appears
between the Drop/Insert port
on the customer premises
equipment and the
DSU/CSU.
2. DTE Drop/Insert (DSX-1)
cabling problem.
1. Incompatible framing format
OOF at Network
message appears
between the network and the
DSU/CSU.
2. Network cabling problem.
3. Facility problem.
March 2001
7. Monitoring and Troubleshooting
Solutions
1. Check that the configurations
are matched.
2. Start the link layer protocol.
Redial the phone number later.
Redial the phone number later.
Check that the modem is
connected properly.
1. Check the power module
attachment.
2. Check the wall receptacle
power by plugging in some
equipment that is known to be
working.
1. Check that the cable is
securely attached at both
ends.
2. Change the Aux Use
configuration option to None,
and then back to SNMP or
Daisy (as appropriate).
Contact your service
representative.
1. Check that the framing format
for the DTE Drop/Insert
(DSX-1) interface is correct.
2. Check that the DTE
Drop/Insert (DSX-1) cable is
securely attached at both
ends.
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.
7-17

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