MIRCOM FX-3318 19/02 The Silent Knight SD500-PSDA is

The Silent Knight SD500-PSDA is a dual action addressable fire alarm pull station compatible for use with Silent Knight's IntelliKnight FACPs

and a rotary switch for 520 Hz low-frequency sounder tones

This device is compatible with FlashScan protocol systems only

KI-ABLT bases provide 520 Hz low frequency sounder capability to KI Series smoke and heat detectors

MIRCOM FX-3318 19/02 The Silent Knight SD500-PSDA isMircoms FX 3318 Addressable Fire Alarm Control Panel is an intelligent addressable multi zoned panel with exceptional value while not compromising the Mircom features needed to satisfy small to medium jobs. The FX 3318 is shipped pre assembled with all main components including: main board, power supply, transformer, and main display in a red enclosure. A built in dialer is included to communicate panel status to the remote central monitoring station