User's Manual

DTU-H100 Wi-Fi/Ethernet to RS485/RS232 Server User Manual
http://www.iotworkshop.com - 57 -
AT+ MAXSK =<num ><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 num: 1~32, default 32. maxima TCP connection;
When configure as TCP/Server, The device support maxime 32 TCP connections. If not require so
much connection, user can resetting this parameters.
5.2.2.32. AT+TCPB
 Function: Open/Close TCPB function;
 Format:
 Query Operation
AT+TCPB<CR>
+ok=<sta><CR>< LF ><CR>< LF >
 Set Operation
AT+ TCPB=<on/off><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 sta: TCPB enable status
 on, TCPB enable
 off, TCPB disable
After device boots up again, the setting will be effective.
5.2.2.33. AT+TCPPTB
 Function: Set/Query TCPB port number;
 Format:
 Query Operation
AT+TCPPTB<CR>
+ok=<port><CR>< LF ><CR>< LF >
 Set Operation
AT+ TCPB=<port><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 port: decimal ,<65535
After device boots up again, the setting will be effective.
5.2.2.34. AT+TCPADDB
 Function: Set/Query TCPB server address;
 Format:
 Query Operation
AT+TCPADDB<CR>
+ok=<add><CR>< LF ><CR>< LF >
 Set Operation
AT+ TCPADDB=<add><CR>