Cermetek Microelectronics, Inc Page 36 of 42
Document NO. 607-00xx Revision A (12/13)
4.2.5.22
AT+DHCPGW
: This command allows the user to Read or Set the DHCP (Dynamic Host
Configuration Protocol) gateway address
Read DHCP Gateway Address
AT+DHCPGW<CR>
+ok=<address><CR>< LF ><CR>< LF >
Set DHCP Gateway Address
AT+DHCPGW=<address ><CR>
+ok<CR>< LF ><CR>< LF >
Parameters:
address = DHCP gateway address
4.2.5.23
AT+TCPTO
: This command allows the user to Set or Read the time for the TCP timeout.
Read TCP Timeout
AT+TCPTO<CR>
+ok=<time><CR>< LF ><CR>< LF >
Set TCP Timeout
AT+TCPTO=<time ><CR>
+ok<CR>< LF ><CR>< LF >
Parameters:
Time (TCP timeout setting) = 600 (600 seconds)
= 0 (no timeout)
Default value is 300 seconds
4.2.5.24
AT+MAXSK
: This command allows the user to Read or set the maximum number of TCP
connections permitted.
Read the Maximum Number of TCP Connections
AT+MAXSK<CR>
+ok=<num><CR>< LF ><CR>< LF >
Set the Maximum Number of TCP Connections
AT+MAXSK =<num ><CR>
+ok<CR>< LF ><CR>< LF >
Parameters:
num (Maximum Number of Connections) = 1-32
Note: When configured as a TCP/Server, the CH232BGN can support a maximum of 32 TCP
connections. The user can reset this parameter if fewer connections are required.