AT Commands Set

SIM5320 AT Command Set
+CIPOPEN: 1, "TCP", "42.65.221.233", 1000, 0
+CIPOPEN: 2
+CIPOPEN: 3
+CIPOPEN: 4
+CIPOPEN: 5
+CIPOPEN: 6
+CIPOPEN: 7
+CIPOPEN: 8
+CIPOPEN: 9
OK
AT+CIPSEND=1,7
>SimTech
Send data to a passive linked client
+CIPSEND: 7, 7
OK
Send ok
AT+CIPSEND=0,7
>SimTech
+CIPSEND: 7, 7
OK
AT+CIPCLOSE=1
OK
AT+TCPCLOSE=0
OK
AT+NETCLOSE
Network closed
OK
Send data in the connection of number 0
(active linked client)
Close the connection of number 1
Close the TCP server.
Close all of clients and
Deactivate the specified socket’s PDP context.
26.3 File transmission flow
The Module supports to transmit files from the Module to PC host and from PC host to the Module
over Xmodem protocol. During the process of transmission, it can not emit any AT commands to do other
things.
26.3.1 File transmission to PC host
Step1. Select file for transmission to PC host
After HyperTerminal is OK for emitting AT commands, it must select a file by one of following
SIM5320_ATC_V1.24 494
8/14/2012