At+ Maxsk; At+Tcpb; At+Tcpptb - Jinan USR IOT Technology WIFI232-A User Manual

TCP timeout: module began to count when TCP channel did not receive any data, receive data purge
count.If the timing time exceed TCPTO, disconnect the TCP channel.If module work in TCP Client , it
will take the initiative to rewiring the TCP Server, If module work in the TCP Server, the TCP Client
need active reconnection.
5.2.2.2.26 5.2.2.2.26 5.2.2.2.26 5.2.2.2.26 AT+ AT+

AT+ MAXSK

AT+ MAXSK MAXSK MAXSK
� Function: Set/Query maxima TCP connection;
� Format:
�
Query Operation
AT+ AT+ MAXSK<CR> MAXSK<CR>
AT+ AT+ MAXSK<CR> MAXSK<CR>
+ok=<num><CR>< +ok=<num><CR><
+ok=<num><CR>< LF +ok=<num><CR><
�
Set Operation
AT+ MAXSK
AT+ AT+ MAXSK AT+ MAXSK MAXSK =<num
+ok<CR>< +ok<CR>< +ok<CR>< LF +ok<CR><
�
Parameters:
� num: 1~32, default 32. maxima TCP connection;
When configure as TCP/Server, USR-WIFI232-A/B/C support maxima 32 TCP connections. If not
require so much connection, user can resetting this parameters.
5.2.2.2.27 5.2.2.2.27

AT+TCPB

AT+TCPB
5.2.2.2.27 5.2.2.2.27 AT+TCPB AT+TCPB
�
Function: Open/Close TCPB function;
�
Format:
�
Query Operation
AT+TCPB<CR> AT+TCPB<CR> AT+TCPB<CR> AT+TCPB<CR>
+ok=<sta><CR>< +ok=<sta><CR>< +ok=<sta><CR>< LF +ok=<sta><CR><
� Set Operation
AT+ AT+ TCPB=<on/off><CR> TCPB=<on/off><CR>
AT+ AT+ TCPB=<on/off><CR> TCPB=<on/off><CR>
+ok<CR>< +ok<CR>< LF LF
+ok<CR>< +ok<CR>< LF LF ><CR><
�
Parameters:
�
sta: TCPB enable status
�
�
After USR-WIFI232-A/B/C module boots up again, the setting will be effective.
5.2.2.2.28 5.2.2.2.28

AT+TCPPTB

AT+TCPPTB
5.2.2.2.28 5.2.2.2.28 AT+TCPPTB AT+TCPPTB
� Function: Set/Query TCPB port number;
� Format:
�
Query Operation
AT+TCPPTB<CR> AT+TCPPTB<CR>
AT+TCPPTB<CR> AT+TCPPTB<CR>
+ok=<port><CR>< +ok=<port><CR><
+ok=<port><CR>< +ok=<port><CR>< LF
�
Set Operation
AT+ TCPB=<port><CR>
AT+ AT+ TCPB=<port><CR> AT+ TCPB=<port><CR> TCPB=<port><CR>
+ok<CR>< +ok<CR>< +ok<CR>< LF +ok<CR>< LF ><CR>< LF LF
�
Parameters:
� port: decimal ,<65535
Jinan USR IOT Technology Limited
USR-WIFI232-A/B/C User Manual
LF LF ><CR>< ><CR>< LF LF LF > > > >
LF ><CR>< ><CR>< LF
=<num ><CR>
=<num ><CR> =<num ><CR> ><CR>
LF LF ><CR>< LF ><CR>< ><CR>< ><CR>< LF LF LF LF > > > >
LF LF ><CR>< LF ><CR>< LF ><CR>< ><CR>< LF LF > > > > LF
><CR>< ><CR>< LF LF > > > > LF
><CR>< LF
on, TCPB enable
off, TCPB disable
LF LF ><CR>< ><CR>< LF LF > > > > LF
LF ><CR>< ><CR>< LF
><CR>< ><CR>< LF ><CR>< LF LF LF > > > >
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