Addressable fire alarm systems 2 wire bus input module

Addressable fire alarm systems 2 wire bus input module SPECIFICATIONS: Nominal Operating Voltage: 15 to 28 VDC Standby Current: ≤1mA @ 24 VDC Maximum Alarm Current (LED on: ) ≤5 mA @ 24 VDC EOL resistance: 4.7K Ohms Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing Operating Temperature Range: -10°C to50°C Dimension: 120 mm L x 80mm W x 43mm H Weight: 175 g Addressable fire alarm system architecture: