3460 Fast’R

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

Problem

Diagnosis/Test

Possible Solution

 

 

 

Cannot

Check the disconnect

Based on the disconnect reason,

establish a

code (AT&V)

take the appropriate action.

connection

 

 

Check the modulation

Ensure that Mod=V.34 Auto

 

 

configuration:

(ATT*MM0) or V.32bis Auto

 

• Mod (AT *MM)

(AT*MM2).

 

• Max Rate (AT *MX)

Ensure that the local and remote

 

modem modulation modes are

 

• Min Rate (AT *MN)

 

compatible.

 

 

 

 

 

 

Check the EC/DC

Ensure Mode=AutoRel

 

Mode option.

(AT*SM3) on the local and

 

 

remote modems.

 

 

 

Communication

Check DCD (AT&C).

If DCD is not Normal, issue

package

 

AT&C1 command.

displays On-

 

 

line status

 

 

before calling

 

 

or answering

 

 

 

 

 

A call is

Read the disconnect

Based on the disconnect reason,

established but

code.

take the appropriate action.

not maintained

 

 

 

 

 

Cannot hear

Check Speaker option

If the speaker is not on, turn it

connection

(ATM).

on (ATM2).

sounds (stand-

 

 

Check Volume option

Adjust volume.

alone modems)

(ATL).

 

 

 

 

 

 

5-4

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Motorola 3460 manual Fast’R