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Troubleshooting – Paradyne 3161 User Manual

Page 136

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7. Monitoring and Troubleshooting

7-16

March 2001

3160-A2-GB24-10

Troubleshooting

Use

Table 7-7, Troubleshooting

, to determine your course of action if a problem

occurs.

For problems other than those listed in the table, please contact your service
representative.

Table 7-7.

Troubleshooting (1 of 3)

Symptom

Possible Cause

Solutions

AIS at DTE

message appears

DTE is sending an AIS.

Check the DTE.

AIS at Network

message appears

1. Upstream device is

transmitting an AIS.

2. The network is transmitting

an AIS.

1. Check the status of the

upstream device(s).

2. Contact your facility provider.

BPV LED is ON

1. Incompatible line coding

format between the DTE and
the DSU/CSU.

2. DTE Drop/Insert (DSX-1)

cable problem.

1. Check that the line coding

format for the DTE Drop/Insert
(DSX-1) interface is correct.

2. Check that the DTE cable is

securely attached at both
ends.

Busy Signal

The modem is receiving a busy
signal.

Redial the phone number later.

EER at Network

message appears

Facility problem.

Contact your facility provider.

Failure

message appears
followed by an
8-digit code

Internal DSU/CSU problem.

Record the 8-digit code, then
contact your service
representative.

Invalid Number

The modem cannot dial because
the phone number is invalid or
there is no number in the
selected directory.

Check that the selected phone
number is correct.

LOS at DTE

message appears

1. DTE Drop/Insert (DSX-1)

cable problem.

2. No signal being transmitted

from the DTE.

1. Check that the DTE

Drop/Insert (DSX-1) cable is
securely attached at both
ends.

2. Check the DTE status.

LOS at Network

message appears

1. Network cable problem.

2. No signal is being transmitted

at the far end.

3. Facility problem.

1. Check that the network cable

is securely attached at both
ends.

2. Check the far-end status.

3. Contact your facility provider.

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