At Command - Ebyte E70-DTU User Manual

Star Network Modem
7.2 AT command error code
Error code
-1
-2
-3
-4
-5

7.3 AT command

When the serial port enters AT mode, it needs to open the serial port assistant, set the serial port (default parameter) baud
rate 115200, data bit 8 bit, stop bit 1 bit, open the serial port, input "+++" without carriage return. All parameter settings will
reply "\r\n+OK\r\n".
Enters" +++" into AT Command
+++
1
Example：+++
Note: 1. The AT command can be used only after entering the AT command mode
2. After entering the AT command mode, the AT command mode can be used again only after exiting the AT command
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26
Invalid command format
Figure 30 AT instructions
Parameter Description:
Null
Response:
Enter AT Mode
E70-DTU(433NW30-ETH)_User Manual
Instructions
valid command format
Invalid operator
Invalid parameters
Operation not allowed