EM411R Conventional zone interface module The EM411R zone interface connects directly to the loop and allows conventional zones (maximum 32 devices) to be interfaced to INIM’s addressable analogue systems. 1 conventional line input 1 relay output (2 voltage-free contacts) Short-circuit isolator 3 multicolour LEDs for input/output/isolator status signalling Automatic addressing capacity (each device is identified by a manufacturer-assigned serial number)