ACCULINK DSU / CSU Operator's Guide 3160-A3, 3161-B3, 3164-A2, 3165-A2

4. Maintenance
4-16
February 2001 3160-A2-GB21-90
No Dial Tone The modem cannot dial because
there is no dial tone.
Check that the modem is
connected properly.
Busy Signal The modem is receiving a busy
signal.
Redial the phone number later.
No Answer Tone The remote end does not
answer within 45 seconds.
Redial the phone number later.
Modem In Use The modem is in use. Redial the phone number later.
Table 4-6. Troubleshooting (3 of 3)
Symptom Possible Cause Solutions