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Table 5-1. Troubleshooting the 3460 Fast'R Modem
Problem
Cannot
establish a
connection
Communication
package
displays On-
line status
before calling
or answering
A call is
established but
not maintained
Cannot hear
connection
sounds (stand-
alone modems)
5-4
3460 Fast'R
Diagnosis/Test
Check the disconnect
code (AT&V)
Check the modulation
configuration:
• Mod (AT
MM)
*
• Max Rate (AT
MX)
*
• Min Rate (AT
MN)
*
Check the EC/DC
Mode option.
Check DCD (AT&C).
Read the disconnect
code.
Check Speaker option
(ATM).
Check Volume option
(ATL).
Possible Solution
Based on the disconnect reason,
take the appropriate action.
Ensure that Mod=V.34 Auto
(ATT
MM0) or V.32bis Auto
*
(AT
MM2).
*
Ensure that the local and remote
modem modulation modes are
compatible.
Ensure Mode=AutoRel
(AT
SM3) on the local and
*
remote modems.
If DCD is not Normal, issue
AT&C1 command.
Based on the disconnect reason,
take the appropriate action.
If the speaker is not on, turn it
on (ATM2).
Adjust volume.
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Table of Contents
Troubleshooting
