User Guide Modem 3460

3460 Fast’R
5-6
Modem
disconnects
prematurely
Ensure that the remote
modem supports error
correction.
If the remote modem does not
support error correction, set
Data Transfer Mode=Normal
(AT
*
SM1) and retry the call.
Check the disconnect
reason (AT&V=DRn, n
is numeric code).
Take the appropriate action.
Data is garbled
or lost
Check the modem flow
control settings.
Ensure that the computer’s flow
control is the same as the
modem option (AT
*
FL).
If your communications
software’s file transfer protocol
is used, and the software
supports RTS/CTS Flow
control, set modem Flow=RTS/
CTS (AT
*
FL3). If the package
does not support RTS/CTS flow
control, set Flow=Off
(AT
*
FL0).
Check that the
modem’s DTE rate
(AT
*
DE), parity
(AT
*
RP), and
character length
(AT
*
CL) match the
computer’s settings.
If they do not match, adjust.
Table 5-1. Troubleshooting the 3460 Fast’R Modem
Problem Diagnosis/Test Possible Solution