System Sensor SRL-SP SF 30/10 fiber cable must exit one

fiber cable must exit one board on Transmit (TX) and enter the next node/repeater on Receive (RX)

dual relay Oxygen (O2) detector

ceiling-mounted audible signaling device designed for indoor use

When one unit senses smoke

System Sensor SRL-SP SF 30/10 fiber cable must exit oneSystem Sensor L Series, the broadest and most versatile line of notification devices available, includes a wide range of devices to meet emergency communications application requirements. ALERT printed on white housings amber lens strobes and speaker strobes provide visual signaling for emergency communications in compliance with ANSI UL 1638 Standard for General Signaling Visible Appliances. Other Plain or ALERT printed models provide clear lenses