2
Table of Contents
1. Introduction .................................................................................................................3
2. Developing Applications .............................................................................................3
3. S5401D Module Serial Connection.............................................................................3
4. Communications Protocol ...........................................................................................4
5. Application Originated Commands .............................................................................5
6. S5401D Originated Commands...................................................................................7
7. Special USER/MASTER Code Requirements ............................................................9
8. Special Considerations For Some S5401D Commands ............................................10
9. S5401D Error Codes..................................................................................................11
NOTES ..........................................................................................................................12