Essential details
Lead time:5-7天
Shipping:Express delivery
Product Introduction
Channels: 4
Fire signal access equipment
Adopt Modbus TCP communication protocol.
The RS485 cascade interface can be cascaded to the same series of serial port I/O networking equipment.
The power supply has good over-current, over-voltage, anti-reverse and anti-misconnection protection functions.
Abundant indicator lights, check the status comprehensively, and troubleshoot in time.
Convenient installation, support rail installation and surface installation.
Connection end: Phoenix terminal.
Interface type: dry contact.
DI input mode: level.
Digital filtering time interval: 6 sampling periods.
Acquisition frequency: 1kHz.
Fire signal access equipment
Adopt Modbus TCP communication protocol.
The RS485 cascade interface can be cascaded to the same series of serial port I/O networking equipment.
The power supply has good over-current, over-voltage, anti-reverse and anti-misconnection protection functions.
Abundant indicator lights, check the status comprehensively, and troubleshoot in time.
Convenient installation, support rail installation and surface installation.
Connection end: Phoenix terminal.
Interface type: dry contact.
DI input mode: level.
Digital filtering time interval: 6 sampling periods.
Acquisition frequency: 1kHz.
This Public Address Voice Alarm 4-Channel Fire Alarm Matrix Controller is designed to receive fire alarm signals and trigger emergency voice evacuation broadcasts, ensuring rapid response in critical situations.
In summary, this Public Address Voice Alarm 4-Channel Fire Alarm Matrix Controller is the perfect choice for small to medium‑sized buildings, schools, hotels, and any facility requiring a reliable fire alarm interface for public address and voice evacuation systems.




























