Which technology enables fire alarm signals to be sent over a local area network?

Which technology enables fire alarm signals to be sent over a local area network?

• A. BACnet
• B. Modbus
• C. LonWorks
• D. KNX

Answer: (A)

BACnet is built for building automation and control networks, and it includes how fire alarm and life-safety data can move across a local area network. When a fire event occurs, BACnet/IP lets fire panels, sensors, annunciators, and other devices communicate alarms and status information over Ethernet, so signals can be shared quickly and reliably across all devices on the same LAN. It also provides standard object types for alarms (like binary inputs/outputs and event notifications) and services to propagate those alarm events to other systems, enabling centralized monitoring and cross-vendor interoperability.

Other protocols serve building automation or control in different contexts, but BACnet is the one specifically designed to handle fire alarm signaling across a LAN with standardized alarm objects and services, making it the best fit for sending fire alarm signals over a local network.