Fiber patch cords with SC, LC, FC, and ST connectors in APC or UPC types and in simplex or duplex cables link network devices for fast, stable data transfer. Every connector type has a particular form and fit, so SC and LC are prevalent across networks, whereas FC and ST perform well in laboratories and legacy configurations. APC connectors reduce signal loss, and UPC provides a basic standard polish. Simplex cables send data one way, and duplex cables send two-way data at once. These choices assist in aligning network requirements, be it for residential broadband, corporate LANs, or huge data centers. We’ll organize the bulk of this post to break down these types, explain where they fit best, and offer guidance for selecting the appropriate cable.