Nextel iR1200 Administrator's Manual page 102

iR1200 Modem
Symptom
The NO CARRIER
message displays
when the modem
attempts data calls.
Modem does not auto-
answer incoming data
calls (not default
operation).
Received data is
unrecognizable.
Data is being
intermittently lost.
Modem seems to
respond slower than
usual.
92
Troubleshooting Tips
modem.
•
The cable is connected to the correct
port.
•
The correct port is specified in your
communication software.
•
The modem is set to the same baud
rate specified in the communication
software.
Make sure that the S7 register contains a
value greater than or equal to 60 by issuing
an AT&V command or by explicitly
setting ATS7='x' (where x is, enter any
number between 1 and 255).
Make sure that the S0 register contains a
value other than 0 (zero) by issuing the
AT&V command. You can also explicitly
set ATS0=x from the software's command
mode (where x is any number between 1
and 255).
Make sure that the flow control is set to
RTS/CTS (hardware flow control is
enabled) in the communication software
and is set to &K3.
Make sure that the flow control is set to
RTS/CTS (hardware flow control is
enabled) in the communication software
and is set to &K3.
Check the signal strength icon to be sure
the signal is not weak.
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