USR-DR502-E User Manual
Technical Support:
Jinan USR IOT Technology Limited
www.pusr.com
31
7.2. Serial AT Commands
When enable “Serial AT command” function, you can directly send “Command AT command”in
transparent mode without changing to AT command mode. Command prefix defaults to “usr.cn#”.
Example: query socket A status, there is a carriage return and line feed after the AT command.
7.3. Network AT Commands
In transparent mode, you can also send “Command AT command” from the network side to query or
change the modem’s parameter settings.
Example: query socket A status, there is a carriage return and line feed after the AT command.
