LX2NB Manual v.1.9 Page 55 / 60
9. RECEIVING OF SMS MESSAGE
GPRS module receives specially prepared SMS. If received SMS is not correct it will
be automatically cancelled and device will not operate any action.
9.1. LX PROTOCOL
The following format of message is acceptable allowing to send some commends
with one SMS (every command shall be separated with SPACE ):
SERVICE CODE█COMMAND█COMMAND█..........
Where:
SERVICE CODE - device service code
█ - SPACE
COMMAND - order (see the table below)
List of commands
Disconnects active TCP connection.
Reset modem; after execution of command a
confirmation is sent.
Resets device. Note: all unsent events will be lost.
Turn on or turn off outputs. outNr specifies output
number (0 for OUT1), state specifies requested
output state (0 – switched off, 1 – switched on).
Below are allowed combinations:
OUT=0,0 – switches off TMP output
OUT=0,1 – switches on TMP output
Issues AT command to GSM modem and sends
response back. Optional timeout parameter defines
time for modem response. Time determined in
seconds and ranges from 1-30 seconds. If timeout
isn’t specified, 3 seconds is assumed.
Returns device description, serial number
(hexadecimal number) and firmware version.
Returns device status. Command sends text back
according to definition from chapter 7.6.4
Gets inquired parameter :SERVER, PORT, APN, UN,
PW, DNS1, DNS2, SMS, SMSPERIOD
Gets primary communication parameters of device in
form: SERVER:PORT,APN UN PW,DNS1
Access point to GPRS network. Parameter should be
obtained from mobile network operator. If APN
address contain space sign put it with “” e.g. “my
apn”.
APN user name. Parameter should be obtained from
mobile network operator. If APN user name contain
space sign put it with “” e.g. “my user name”.
APN password. Parameter should be obtained from
mobile network operator. If APN password contain
space sign put it with “” e.g. “my password”.
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