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