At Command Set - USR IOT Cortex-M7 Series At Command Manual

Error code
ERR1
ERR2
ERR3
ERR4
ERR5
ERR6
2.4.

AT command set

No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Your TrustWorthy Industrial IoT Partner
Description
Invalid command syntax
Invalid command code
Invalid operator
Wrong parameter or missing arguments
Operation not allowed
No operation permission
Table 4 AT command set
Instruction
General commands
AT+E Query/set echo status
AT+H Help
AT+Z Restart the module
AT+REBOOT Restart the module
AT+CFGTF Save the configuration as user defaults
AT+RELD Restore the user default settings
AT+CLEAR Restore the factory default settings
AT+VER Query firmware version
AT+ENTM Exit AT command mode
AT+MAC Query MAC address
IP setting commands
AT+WANN Query/set WAN port parameters
AT+DNSTYPE Query/set DNS obtained method
AT+DNS Query/set preferred DNS Server
AT+SDNS Query/set alternate DNS Server
Serial port setting commands
AT+UARTN Query/set serial port parameters of PortN
AT+UARTTLN Query/set UART packaging mechanism of PortN
AT+RFCENN Query/set RFC2217 baud rate synchronization of PortN
AT+UARTMN Query/set serial port interface type of PortN（N520-H7-6）
Socket setting commands
AT+SOCKMN Query/set Socket M parameters of PortN
AT+SOCKLKMN Query socket M connection status of PortN
AT+MAXSKN Query/set maximum sockets no. supported in TCP server
mode of PortN
AT+TCPSEN Query/set whether to receive new connection after
8
AT command set
Description
www.pusr.com