AL警報用逃生
The alarm exit provides a simple way to audibly monitor the use of an exit device. The unit contains an alarm which is activated when the push bar is depressed.
Jean Wu
RX Request to Exit
The RX feature is used to signal the use of an opening. This device is equipped with one internal SPDT switch which monitors the push bar.
LM Latchbolt Monitoring
The LM feature is used to signal the use of an opening. This device is equipped with one internal SPDT switch which monitors the latchbolt.
