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3.
Network Address
Configuration Item
AT Command
Description
Data Center
AT+SERNUM=x
Set the number of datacenter
x
：
0-5
，
0=disable this feature
Example: AT+SERNUM=1
Protocol
AT+TRANMODEyy=xx
Set the channel communication protocol
yy
：
01-05=center No.
x
：
0 ftcp
1 CTCP
2 HTCP
3 NUDP
4 CUDP
5 HUDP
Example: AT+TRANMODE01=1
Cache
AT+SERSVLENyy=xx
yy
：
01-05=center No.
x
：
Cache size
Example: AT+SERSVLEN01=10
Main Addr
AT+MULTISERyy=xx
yy
：
01-05=main server
，
06-10=backup
server
xx
：
address
Example:
AT+MULTISER01=isodev.picp.net
Port
AT+MULTIPORTyy=xx
yy: 01-05=main server port accordingly,
06-10=backup server port
x: 0-65535
Example: AT+MULTIPORT01=10121
Com Select
AT+SERCOMTYPEyy=xx
yy: 01-05 center No.
xx: 0 Rs232-1
1 Rs485-0
Example: AT+SERCOMTYPE01=1
Offline Data Storage
AT+SERSVOFFyy=xx
yy: 01-05=center No.
xx: 0 disable
1 enable
Example: AT+SERSVOFF01=0
Main DNS Server
AT+MULTIDNS01=xx
xx
：
DNS address
Example: AT+MULTIDNS01=8.8.8.8
Backup DNS Server
AT+MULTIDNS02=xx
xx
：
Backup DNS server
Example: AT+MULTIDNS02=8.8.8.8
