Convert Gigabit traffic between copper and multimode fiber with a compact media converter designed for practical network extension. The Black Box LGC5151A provides 3 ports, internal power, and an SC multimode fiber interface for clean integration into existing access-layer or distribution-layer designs. This type of converter is useful when a switch port needs to reach farther than copper allows, or when fiber isolation is preferred between network segments. The internal power design keeps installation simple, while the multimode SC connection fits common enterprise fiber environments. For teams standardizing on fiber uplinks without replacing working copper infrastructure, this is a focused, purpose-built option. Compared with lower-cost converters that only solve a single link, this 3-port design gives more flexibility in how the device is placed and connected. It is a sensible choice for network closets, equipment rooms, and edge locations where dependable media conversion matters more than feature bloat.