HF2111 GPRS Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
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sta.: if module already setup TCP link;
on: TCP link setup;
off: TCP link not setup;
4.2.2.19.
AT+TCPCLK
Function: Query if SOCK A TCP link already build-up;
Format:
AT+TCPCLK<CR>
+ok=<sta><CR><LF><CR><LF>
Parameters:
sta.: if module already setup TCP link;
on: TCP link setup;
off: TCP link not setup;
4.2.2.20.
AT+SOCKANUM
Function: Set/Query SOCK A send/receive data bytes.
Format:
Query Operation
AT+SOCKANUM<CR>
+ok=<send_num recv_num ><CR><LF><CR><LF>
Parameters:
send_num: socket a send data bytes.
recv_num: socket a receive data bytes.
4.2.2.21.
AT+SOCKBNUM
Function: Set/Query SOCK B send/receive data bytes.
Format:
Query Operation
AT+SOCKBNUM<CR>
+ok=<send_num recv_num ><CR><LF><CR><LF>
Parameters:
send_num: socket b send data bytes.
recv_num: socket b receive data bytes.
4.2.2.22.
AT+SOCKCNUM
Function: Set/Query SOCK C send/receive data bytes.
Format:
Query Operation
AT+SOCKCNUM<CR>
+ok=<send_num recv_num ><CR><LF><CR><LF>
Parameters:
send_num: socket c send data bytes.
recv_num: socket c receive data bytes.
4.2.2.23.
AT+WANN
Function: Set/Query GPRS network status.
Format:
Query Operation
AT+WANN<CR>
+ok=<IP><CR><LF><CR><LF>
Parameters:
IP: device IP address.