1. INTRODUCTION
Transmitter LX20G is a modern, microprocessor device for data transmission
in real time, capable of simulating a telephone line (PSTN) with the transmission in
the GSM voice channel. In case of telephone line failure or by selecting the
appropriate prefix the device is able to perform a voice call to the monitoring
station, allowing you to transfer data from the control panel via the Contact ID
(DTMF) or SIA (FSK). There are also available other channels of transmission: GPRS
and SMS.
LX20G transmitter provides the highest security of data transmission through up to
four channels of transmission: PSTN / GSM VOICE / GPRS / SMS. The primary
purpose is to use the device as a security systems transmission module in PSTN and
GSM voice channels. LX20G transmitter works with all most popular alarm systems.
The addition of a packet data transmission (GPRS), can reduce the cost of the alarm
systems. This device provides an opportunity to send text messages to private
mobile phones.
An advanced encoding methods like a 256 bytes encoding key and AES (Advanced
Encryption Standard) provides for security of data transmission. As a result
reception of this transmission is possible with OSM.Server monitoring receiver
system.
Furthermore there is possibility to transmit not coded messages that are to be
comprehensible by reception solutions and also by GPRS Server software.
Programming of receiver is possible:
o Locally on computer and with recommended “GPRS transmitter
configurator” software
o Remotely - via GPRS connection
- via SMS commands
- via transmission on CSD canal
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