Remote Alarm Manager, GSM modem does not send text message.

[Product_Support]

Issue

The GSM modem fails to send a text message when an alarm is generated in the Sigma Remote Alarm Manager.

Product Line

Satchwell BAS & Sigma

Environment

Remote Alarm Manager (RAM)

Cause

The issue is typically due to incorrect configuration within the Remote Alarm Manager, particularly in the recipient settings or interface selection.

Resolution

1. Verify Configuration Settings:

   • Open the Remote Alarm Manager configuration interface.
   • Navigate to the Recipient Configuration section.

2. Check Interface Selection:

   • Ensure the correct communication interface is selected for the GSM modem.
   • Confirm that the modem is properly connected and recognized by the system.

3. Test Modem Functionality:

   • Attempt to send a manual test SMS from the Remote Alarm Manager.
   • If the modem does not respond, check for error messages such as:
     • "Unable to reset GSM modem"
     • "Modem did not accept reset command"

4. Review Common GSM Modem Compatibility:

   • Refer to the list of commonly used GSM modems compatible with RAM.
   • Ensure your modem model is supported and configured according to Schneider Electric guidelines.

5. Restart and Retest:

   • Restart the Remote Alarm Manager service.
   • Trigger a test alarm to verify SMS delivery.

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Additional Resources

• Sigma - Remote Alarm Manager - Commonly used GSM modems