Fire Alarm I/O Module 
Main Features:
Technical Specifications
     
Main Features:
- Non-polarized two-wire bus
- Built-in microprocessor
- Intelligent self-diagnosis for both open circuit and short circuit
- Totally isolated bus input terminal and output terminal
- Plug-in structural design makes installation easy and reliable
- Enhanced capacity of interference resistance by multilevel wave filtering process
- Strong moisture resistance ability with PCB triple-proof process
Technical Specifications
- Loop protocol
- Operating Voltage:
       15VDC ~ 28VDC   
- Operating Current:
       Loop Power:  Monitoring:≤0.65mA  Action:≤3mA
       External Power:  Monitoring:≤5mA  Action:≤20mA
- LED Indicator Status:
 - Monitoring: Red, flashes periodically
- Signal Input: Red LED indicator
- Signal Output: Red stays on
 
- Operating Environment:
 - Temperature: -10℃-+55℃
- Relative Humidity: ≤95%RH, non-condensing
 
- Color/Weight: White/143g
- Dimension: 87mm x 87mm x37mm(with base)
