AT Commands
Chapter 3
Troubleshooting
This chapter describes troubleshooting procedures you can use in the unlikely event you encounter a problem with your OMEGA CDMA Modem.
Problem | Solution |
|
|
OMEGA is powered on and connected to | Be sure the modem and DTE are using the same |
DTE, but does not respond to commands. | port (baud rate) settings. |
| Open the OMEGA and verify that the DSR LED |
| is ON. If it is OFF, check the seating of the |
| transceiver. |
|
|
When I initiate a call, the OMEGA | Use a telephone to verify that the number you are |
responds immediately with NO | dialing is valid and not busy. |
CARRIER. | Use the AT command AT+CSQ to display the |
| |
| signal quality. If the first number is below 20, you |
| may have poor reception from your current |
| location. If the second number is 99, you are not |
| getting the required wireless signal from your |
| location. |
| Use the RSSI DIP switch to display and check the |
| received signal strength (see Table |
| 13). |
|
|
OMEGA does not answer incoming | Try the solution for initiating calls. |
telephone calls automatically. | Use the AT command AT&V to display most of |
| |
| the modem configurations. Verify that the value |
| for the Register S0 is greater than 1. |
|
|
Some data corruption is observed during | Your selected data transmission rate needs flow |
data exchanges via a remote modem. | control. Use Switch 6 to enable flow control (see |
| Table |
|
|
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