SIMCOM Multiplexer User Manual introduces the design purpose, architecture diagram, and limitations of SIMCom's multiplexer product.
The document provides an overview of the GSM 07.10 multiplexing protocol used between terminal equipment and mobile stations. It includes general notes, data link connection details, and a list of supported commands.
Key sections describe specific commands such as Remote Line Status, Set Asynchronous Balanced Mode, Unnumbered Acknowledgement, and Power Saving Control, as well as timing parameters like T1, T2, and T3. The note also contains the AT command set for the SIMCOM module.
| Acknowledgement Timer (T1) | 100 ms |
|---|---|
| Maximum Frame Size (N1) | 127 |
| Response Timer (T2) | 300 ms |
| Response Timer (T3) | 10 seconds |
| Window Size (K) | N/A |
The Acknowledgement Timer (T1) is set to 100 milliseconds.
The maximum frame size (N1) is 127.
The response timer T2 is 300 milliseconds.
The response timer T3 is 10 seconds.