SimCom SIM7600 Series User Manual

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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
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<link_num>,”TCP”,<serve
rIP>,<serverPort>[,<localP
ort>]
+CIPOPEN: <link_num>,<err>
Open connection successfully in transparent mode:
CONNECT [<text>]
Open connection failed in transparent mode:
CONNECT FAIL
+CIPOPEN: <link_num>,<err>
ERROR
ERROR
AT+ CIPOPEN=
<link_num>,”UDP”,,,<loc
alPort>
+CIPOPEN: <link_num>,<err>
OK(if udp open)
+CIPOPEN: <link_num>,<err>
ERROR
ERROR
Defined values
<link_num>
a numeric parameter that identifies a connection. The range of permitted values is 0 to 9. If
AT+CIPMODE=1 is set, the <link_num> is restricted to be only 0.
<type>
a string parameter that identifies the type of transmission protocol.
TCP Transfer Control Protocol
UDP User Datagram Protocol
If AT+CIPMODE=1 is set, the <type> is restricted to be only “TCP”.
<serverIP>
A string parameter that identifies the IP address of server.The IP address format consists of 4
octets,separated by decimal point:”AAA.BBB.CCC.DDD”.
Also the domain name is supported
here. If the domain name is input here, the timeout value for the AT+CIPOPEN shall be decided by
AT+CIPDNSSET.
<serverPort>
a numeric parameter that identifies the port of TCP server, the range of permitted values is 0 to
65535.
NOTE: When open port as TCP, the port must be the opened TCP port;
When open port as UDP, the port may be any port.
But, for Qualcomm, connecting the port 0 is as an invalid operation.
<localPort>
a numeric parameter that identifies the port of local socket, the range of permitted values is 0 to
65535.
<index>
a numeric parameter that identifies the server index that the client linked when as a TCP server.
-1 Not as a TCP server
0-3 TCP server index
SIMCOM CONFIDENTIAL FILE

SimCom SIM7600 Series Specifications

General

Brand	SimCom
Model	SIM7600 Series
Category	Control Unit
Language	English