Modem GSM "Jupiter - 7520", which is part of the console equipment of the centralised surveillance point (hereinafter - SCP) of the system of notification transmission "Jupiter" (server "Jupiter 7", server KROS "Jupiter 8"), is designed to receive messages from object devices on GSM-channels of the cellular network of GSM-900/1800 standard and transmission to the server receiving messages.
The modem is used for:
- reception of messages from object devices, via CSD channel and transmission to the server;
- reception of messages from object devices via SMS channel and transmission to the server;
- reception of events from object devices, via GSM voice channel and transmission to the server.
Main characteristics of GSM modem "Jupiter-7520":
Four GSM modules of 2G standard, to work on protocols:
dial-up with connection - CSD (9.6 kbit/sec);
dial-up without connection;
SMS-messages.
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