What is the preferred method for connecting smoke detectors to fire alarm systems in high-rise buildings?

In high-rise buildings, the preferred method for connecting smoke detectors to fire alarm systems is through direct wiring. This approach is favored due to several critical factors including reliability, compliance with building codes, and the ability to ensure consistent detection performance.

Direct wiring offers a stable connection that is less susceptible to interference or signal loss compared to wireless options. High-rise environments, which present unique challenges such as electromagnetic interference and structural barriers, require robust systems that can maintain their integrity throughout the building.

Furthermore, direct wiring allows for easier troubleshooting and maintenance since each component can be directly accessed and inspected. This method also ensures that all smoke detectors can effectively communicate with the central alarm panel without the risk of connection drops that can occur with wireless systems, which might be influenced by distance or obstructions.

Building codes and standards often dictate the use of wired connections for safety-critical systems like fire alarms, especially in complex structures like high-rises, where life safety is the utmost priority.

Considering the other options, wireless connections, while convenient, might not provide the dependability needed in emergencies. Optical connections and fiber optics are typically used for data transmission rather than for direct connections in fire alarm systems, making them less suitable for the connection of smoke detectors.