I sent command by Arduino serial monitor through serial port (TTL 5V), but nothing happened

I sent command by Arduino serial monitor through serial port (TTL 5V), but nothing happened, how should I do?
2025-07-24 14:50:17 
Tonny12138
Make sure all the details below are ok:1. BasicWires are goodYour Adapetr(USB/ RS485/ RS232 - TTL) is goodNo loose connection
2. Command format
Caps Lock, "1,RCONFIG"Both Newline & Return, 57600 bps
3. Only one green LED for UART is ON which means you are in UART mode.
4. Wiring between the Adapter and Veyron.

