Jupiter-2420 object terminal devices.

Jupiter-2420 object terminal devices (hereinafter - devices), are designed to protect flats and objects of national economy from unauthorised intrusion by monitoring the status of wired alarm loops (loops) of security detectors mounted on the protected object and
transmitting messages about the device status to the centralised monitoring station (CMS).
The devices monitor the status of alarm loops by changes in their resistance.
The devices are available in nine versions:
- basic version (hereinafter referred to as version 0);
- with the possibility to connect an external GSM-antenna (hereinafter referred to as version 1);
- with the possibility of connecting an external GSM-antenna and with a built-in proximity card reader.
EM-Marin proximity card reader (hereinafter referred to as version 2);
- with the possibility of connecting an external GSM-antenna and with the support of the EM-Marin proximity card reader (hereinafter referred to as version 2).