Description
The Simplex 4603-9101 is a remote LCD annunciator designed for use with Simplex 4100ES and 4100U fire alarm control panels, as well as legacy 4100, 4120, and 4020 systems and 4100/4120 Universal Transponders. It provides remote system control and annunciation through an 80-character, backlit alphanumeric display.
The annunciator features two lines of 40 characters with green LED backlighting and dedicated LED status indicators for Fire Alarm, Priority 2 Alarm, Supervisory, Trouble, Alarm Silenced, and Power On conditions. Controls include system acknowledge, alarm silence, system reset, and four programmable control switches. Communication is accomplished via a Remote Unit Interface (RUI) using a single twisted pair, with separate 24 VDC power wiring required.
The unit is flush-mounted on standard electrical boxes and is UL listed to Standard 864 for fire alarm system accessories.





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