What type of environment is best for installing multi-mode fiber?

Multi-mode fiber is specifically designed for shorter distance applications, typically within a building or campus environment. Its core is larger than that of single-mode fiber, allowing multiple light modes (or paths) to travel through it simultaneously. This structure is beneficial for transmissions over shorter distances, usually up to 2 kilometers, as it supports high data rates for these limited spans.

In short-distance applications, multi-mode fiber is ideal because it can transmit large amounts of data more efficiently and cost-effectively than single-mode fiber. The light reflecting within the core of multi-mode fiber can experience modal dispersion, whereby different paths can cause signals to arrive at different times. This effect is less significant over short distances, making multi-mode fiber particularly suited for local networks, data centers, and intra-building connections.

Other environments, such as long-distance overhead runs, high-temperature industrial sites, and rural outdoor installations, are less suitable for multi-mode fiber due to factors like greater attenuation over longer distances, potential environmental damage in harsh industrial conditions, and the increased need for signal quality and distance management in rural settings, which often favors single-mode fibers.