Siemens CC-2 03/02 The yellow LEDs are typically

The yellow LEDs are typically used to annunciate the active status of supervisory analog devices or standard supervisory zones or the trouble condition of alarm devices/zones

and thanks to an ingenious full backplane sealing gasket

Its precision-engineered design enables seamless integration with both conventional and addressable fire alarm panels

The device provides synchronized strobe notification for fire alarm events while allowing each appliance to be individually addressed and monitored by the control panel

and provide a mounting lip that takes the place of the integral mounting ring supplied with the annunciators and expanders

Siemens CC-2 03/02 The yellow LEDs are typically