ELPRO 641M-X Connectivity Router Instructions
2. Topology
1. 641M connect to Internet via SIM card
2. PC connect to 641M via serial port (RS232 or RS485)
3. PC send the special command via serial port to 641M and trigger 641M to send the SMS to the
Mobile Phone.
Note:
This application note will show how to send the AT Commands via RS232 interface to send text SMS message.
3. Configuration
3.1 641M Configuration
1. Go to Application> AT over COM , enable AT over COM feature like below:
2. Click Save & Apply
4. Testing
641M_AT-COM_V1.0.docx
Version:
V1.0.0, Date: Mar 2024
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| General | Details |
|---|---|
| Name | ELPRO 641M-X Connectivity Router Instructions |
| Make | ELPRO |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.15 MB |
If you have any questions regarding ELPRO 641M-X Connectivity Router Instructions, please ask here and describe the problem in detail.

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