Intercel Smart SAM3S User Manual - page 14
14
Intercel Pty. Ltd.
A.C.N. 007 077 161
33 Glenvale Crescent
Mulgrave VIC. Australia 3170
Email :
intercel@intercel.com.au
Internet :
www.intercel.com.au
Ph : 61 3 9239 2000 Fax : 61 3 9561 2614
TCP AT Command:
Socket connection allows a user from the host computer to send AT commands
to the modem and receive its responses, socket will be disconnected after 5 minutes of
no activity, and socket also can be used for remote firmware update.
UDP AT Command:
Socket connection allows a user from the host computer to send AT commands
to the modem and receive its responses, and socket also can be used for remote
firmware update.
.
8.2 TCP/IP AT$ Commands
Communications parameters are stored in Flash using AT$PARAMETERS.
Parameters are defined as:
APN=Access Point Name
USERNAME=Username that may required with GPRS login
PASSWORD=Password that may required with GPRS login
LTCPPORT=Local TCP listening port
RTCPIP=Remote TCP server IP
RTCPPORT= Remote TCP server port
TCPMODE=0 or 1 (0 disable modem TCP client, 1 enable modem TCP client)
LUDPPORT=Local binding UDP port (modem listen for UDP data on this port)
RUDPIP=Remote binding UDP IP (modem only accept data from this IP)
RUDPPORT=Remote binding UDP port (modem send UDP data to this port)
POLLPERIOD=Modem use this time to send TRACE packet to check for GPRS connectivity.
SBREAKTIME=Serial port break time, modem will wait for this break in serial port transmission before
packetize the data and send.
MBREAKTIME=Modem or GSM module serial break time, use to adjust the way the modem rebuild long
IP packet from fragments of CMUX frames.
BAUDRATE=Serial port baud rate.