Rhydo SIM 900 SIM 900 -TTL UART Especificaciones descargar pdf (Pagina 176)

SIM900 AT Commands Set

SIM900_ATC_V1.01 176 23.06.2010

<port> 0-65535 a numeric parameter which indicates the local port

0 is default value, it can be dynamically allocated a port.

Reference

Note

This command will be effective only in single connection mode

(+CIPMUX=0) and when module as a Client

8.2.9 AT+CSTT START Task and Set APN、USER NAME、PASSWORD

AT+CSTT Start Task and Set APN、USER NAME、PASSWORD

Test Command

AT+CSTT=?

Response

+CSTT: "APN","USER","PWD"

Read Command

AT+CSTT?

Response

+CSTT: <apn>,<user name>,<password>

Parameters

See Write Command

Write Command

AT+CSTT=<apn

>,<user name>,<

password>

Response

ERROR

Parameters

<apn> a string parameter(string should be included in quotation

marks) which indicates the GPRS access point name

<user name> a string parameter(string should be included in quotation

marks) which indicates the GPRS user name

<password> a string parameter(string should be included in quotation

marks) which indicates the GPRS password

Execution

Command

AT+CSTT

Response

ERROR

Reference

Note

The write command and execution command of this command is valid only

at the state of IP INITIAL. After operating this command, the state will be

changed to IP START.

8.2.10 AT+CIICR Bring Up Wireless Connection with GPRS or CSD

AT+CIICR Bring Up Wireless Connection with GPRS or CSD

Test Command

AT+CIICR=?

Response

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Rhydo SIM 900 SIM 900 -TTL UART Especificaciones Pagina 176

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