The E2204 module is an electronic card that performs the functions of analog alarm detection with line supervision and detector sabotage. It has a zone configuration for detecting range reduction UNE-EN 50131-1. It works integrated with the C2200 intrusion control panel connected to the card bus and can be installed in a distributed manner via RS485 up to a maximum distance of 600m from it (point-to-point). The module has an automatic mechanism for disconnecting the card bus in the event of a fault, as well as allowing remote control of the connection and disconnection to said bus through the supervision system