1. Four alarm outputs, freely configure the functions for each door.
2. Could link to fire alarm, the controller will open all doors after receiving the fire alarm.
3. Could control intruder alarm, door ajar alarm, duress enter alarm, door open interliink output, invalid card alarm etc.
4. Could set the time for door ajar alarm, it varies from 0-6000 seconds.
5. Could set the time lag for each route, it varies from 0-6000 seconds.

Note: Only compatible with ST-500A/B/C and ST-600A/B/C