3460 Fast’R

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

Problem

Diagnosis/Test

Possible Solution

 

 

 

Modem

Ensure that the remote

If the remote modem does not

disconnects

modem supports error

support error correction, set

prematurely

correction.

Data Transfer Mode=Normal

 

 

(AT*SM1) and retry the call.

 

Check the disconnect

Take the appropriate action.

 

reason (AT&V=DRn, n

 

 

is numeric code).

 

 

 

 

Data is garbled

Check the modem flow

Ensure that the computer’s flow

or lost

control settings.

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

If they do not match, adjust.

 

modem’s DTE rate

 

 

(AT*DE), parity

 

 

(AT*RP), and

 

 

character length

 

 

(AT*CL) match the

 

 

computer’s settings.

 

 

 

 

5-6

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Motorola 3460 manual Fast’R