The overfilled launch (OFL) bandwidth of an OM2 multimode fiber at 850 nm is how many MHz-km?

The overfilled launch (OFL) bandwidth of OM2 multimode fiber at 850 nm is indeed 500 MHz-km. This measurement reflects the fiber's ability to transmit data over a distance, taking into account the modal dispersion that occurs in multimode fibers.

OM2 fiber is specifically designed for use with LED light sources and offers a higher bandwidth than the earlier OM1 standard. The 500 MHz-km rating indicates that this type of fiber can support higher data rates over greater distances compared to lower-bandwidth cables.

Understanding the OFL bandwidth is crucial for network designers and installers, as it allows for the selection of the appropriate fiber type based on the performance needs of the system being installed. In practical applications, this means that OM2 fibers can effectively support gigabit Ethernet for distances up to approximately 300 meters, making them suitable for a variety of LAN applications.