The ATENA EASY addressable panel is supplied as standard with a loop and can be expanded with a second additional loop by means of expansion card 41ECL022. Up to 250 addressed devices (detectors, buttons, I/O modules, sirens etc.), divided into a maximum of 16 zones, can be connected to each loop. The control panel comes in a strong metal container and displays all indications and commands on the front in compliance with the requirements set out by standard EN54-2, by means of LED light signals and the alphanumeric LCD display with 4 lines of 40 characters.