CXTRM Command - Serial Port Speed
Configures the speed (baudrate) of the serial/terminal port.
What is it used for?
| Use case | Description |
|---|---|
| 🔌 Compatibility | Adjust speed for external devices |
| ⚡ High speed | Transfer data quickly |
| 📡 Distance | Reduce speed for long cables |
| 🔧 Diagnostics | Communication with configuration tools |
Commands
Configure
SCXTRpaa..aaQuery
QCXTRpResponse
RCXTRpaa..aaParameters
| Parameter | Description | Values |
|---|---|---|
| p | Port number | 0 or M = Main, 1 = Port 1, 2 = Port 2 |
| aa..aa | Speed (baudrate) | 2400, 4800, 9600, 19200, 115200 |
Examples
Main port to 9600 baud (standard)
>SCXTR09600<
>SCXTRM9600< # Equivalent using alias MMain port to 115200 baud (high speed)
>SCXTR0115200<Useful for rapid data transmission.
Port 1 to 19200 baud
>SCXTR119200<Port 2 to 4800 baud
>SCXTR24800<Supported Speeds
| Baudrate | Typical application |
|---|---|
| 2400 | Slow communication, long distance |
| 4800 | Legacy devices |
| 9600 | Standard - Most applications |
| 19200 | Moderate data transfer |
| 115200 | High speed for rapid downloads |
Notes
Important: Both ends (device and terminal) must be configured with the same speed. Incorrect configuration generates illegible characters.
- Speed change requires restarting serial connection
- Incorrect speed = impossible communication
Compatibility
💾Firmware v1.08.00
SPLegacy
ULLegacy
MTLegacy
💾Firmware v1.00.00
SP-IOT
SM-IOT
See Also
- CXTY Command - Serial capture configuration
- Serial Port - Connection guide
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