M230 Series User Manual
17
When
“
Data Center Number
”
is greater than 1, this setting is valid. For example
，
setting the
“
Data Center Number
”
as 3, Main Center, 2nd Center, 3rd Center work as these three DSC
AT Command of the 2~5 DSC IP address or domain name
AT+IPADn=xxx
n is 1~4 correspond to center 2~5
xxx: The IP address or domain name
AT Command of the 2~5 DSC port
AT+PORTn=xxx
n is 1~4 correspond to port of center 2~5
xxx: The port value
Example:
Set IP address of center 3 as 166.111.8.238, and port 5001, the AT command is as following:
AT+IPAD2=166.111.8.238
AT+PORT2=5001
◆
Main and Backup Center DNS Server
When the DSC Internet access uses domain name, It
’
s necessary to set DNS server resolving the
DSC domain name. When the Data Center Number is 1, Main and Backup Center DNS Server is
used to resolve the Main center and Backup center correspondingly.
AT command of Main Center DNS server:
AT+DNSSVR=aaa.bbb.ccc.ddd
aaa.bbb.ccc.ddd: The DNS server IP address(must be IP address
）
.
AT command of Backup Center DNS server:
AT+DNSSV2=aaa.bbb.ccc.ddd
aaa.bbb.ccc.ddd: the DNS server IP address
