I was thinking of sending an alert to the radio that i would use in the remote cabinet., but im unsure if i can program the radio to send voltage to a pin with and alert signal. The siren is a Sentry. i have yet to be in the cabinet to see the actual set up, and to see how the siren is triggered. So...

im currently working on a project that will involve activating a local fire departments siren in weather mode. i was going to use a xpr6550 in the siren controller cabinet with the telemetry cable. my question is: is there an interface that i would need to use in between the radio and the controller...