The Evax ATM card is an audio transponder module that allows the user to interface an external audio source into an EVAX panel or deliver audio output from an EVAX panel into an external audio source. The ATM works as both input and output. The audio input must be a balance line and 1VRMS into 600 ohms. The ATM card is 1V, 25V and 70V selectable. It can be in conjunction with conventional EVAX panels and HMX master panels. The ATM is not supervised and is a non UL listed item.