Integration Guide
Table Of Contents
- Module Integration Guide
- Preface
- About this Guide
- Introduction
- Manufacturing Process
- Hardware Integration Recommendations
- PCB Layout Rules
- Bring-Up and Testing
- Hardware Test Preparation
- Abbreviations
BRING-UP AND TESTING
FUNCTIONAL VERIFICATION WITH ASSEMBLED MODULE
34 PROPRIETARY MODULE INTEGRATION GUIDE
SEQUANS Communications
5.4.4 SIM Communication
5.4.4.1 Procedure
Confirmation of SIM behavior:
Insert the following command to verify the SIM is working properly.
Send AT commands <AT+SMST?>, as described in mTools Reference Manual.
Response will display +SMST=<status>, where <status> can be:
OK: Test completed with a positive status.
NO SIM: No SIM card was detected.
NOK: Test completed and detected a problem.
5.4.4.2 Troubleshooting
• Unexpected AT command error
Make sure that the version of Firmware used is the correct version.
• Unexpected SIM behavior
– Check all the connections between the SIM housing and the VZM20Q
module are done according to Section 3.2 SIM Interface on page 8.
– Ensure that there exists no short or open circuit between the SIM
housing and the VZM20Q.