Huawei MC509 Benutzerhandbuch

HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification

Internet Service Interface Commands

Issue 01 (2011-08-26)

Huawei Proprietary and Confidential

114

10.2 ^IPOPEN–Command for Establishing a TCP/UDP
Connection

10.2.1 Syntax

Command

Possible Response(s)

^IPOPEN=<link_id>,
<type>,

<dest_ip>,<dest_port
>,

<local_port>

In case of an MT-related error:

<CR><LF>ERROR<CR><LF>

^IPOPEN?

If a connection is established:

<CR><LF>^IPOPEN:<link_id>,<type>,<local_port>[,<dest_i
p>

[,<dest_port>]]

[<CR><LF>^IPOPEN:<link_id>,<type>,<local_port>[,<dest_i
p>

[,<dest_port>]]

[...]]<CR><LF>

If no connection is established:

^IPOPEN=?

<CR><LF>^IPOPEN:(supported <link_id> list), (supported
<local_port> list),(supported <dest_port> list)<CR><LF>

10.2.2 Interface Description

This command establishes a wireless connection with one or more remote servers to
complete data exchange. TCP and UDP modes are supported.

10.2.3 Parameter Description

<link_id>: Specifies the ID of a connection. The value ranges from 1 to 5.

<type>: A string, specifying the connection type. Double quotation marks are used in
the execution command. Double quotation marks are not contained in the returned
value when the read command is executed. For details, see "Example."

"TCP": A TCP connection is established.

"UDP": A UDP connection is established.

<dest_ip>: A string, specifying the target IP address to be connected to. Double
quotation marks are used in the execution command. Double quotation marks are not