DSC TL-150 Residential Alarm Communicator 23/02 The GSA-IM module monitors line

The GSA-IM module monitors line voltages and opens the SLC when a short is detected

creating a more robust detection strategy that rejects nuisance sources but still responds quickly to real fires

— D8125MUX Multiplex bus interface module

converting the analog signals into digital signals at the panel for transmission to a compatible Teldat VisorALARM PLUS IP receiver at a central station

they are still NEW & have never been used

DSC TL-150 Residential Alarm Communicator 23/02 The GSA-IM module monitors lineFrom their personal computer, homeowners are able to arm disarm their security system and view the status of individual zones through a zone status grid on a webpage. The grid provides additional information that is not available from any DSC keypad. At a glance, homeowners can see how recently a zone was triggered.