Motorola 3460 User Manual

Page 96

3460 Fast’R

5-8

Modem doesn’t
disconnect
when DTR
drops or when
communication
s software does

Check modem’s DTR
option (AT&D)

Set DTR to an option other than
High.
Set DTR=Discon (AT&D2).

Communication
software won’t
signal the
modem to
return to
command state
when escape
sequence
(+++) is issued

Check the delay
between issuing the
escape sequence (+++)
and the ATH
command.

Ensure the escape sequence
(+++) complies with the
modem’s guard time
requirements.

Check whether the
modem is set for AT
ACU.

Set ACU Protocol=AT
(AT

AC1).

FILE TRANSFER MODE

Can’t transfer
all of a file or
aborts during
transfer

Check the modem’s
flow control settings.

Ensure that the computer's flow
control is the same as the
modem option (AT

FL).

File transfer
takes longer
than expected.

Determine the file
transfer protocol.

Use another protocol; for
example, YMODEM.

Table 5-1. Troubleshooting the 3460 Fast’R Modem

Problem

Diagnosis/Test

Possible Solution