Fiberdyne Sm Duplex 2.0mm LC/UPC-SC/APC, 30Ft; Part #F9C21A2GCLB030F
Fiberdyne Labs. Sm(Singlemode) Duplex B/I(Bi-Directional) 2.0mm(width), 0FNR(Optical Fiber Nonconductive Riser); LC/UPC-SC/APC, 30ft;. APC stands for Angled Polished Connector. Singlemode Duplex B/I-Singlemode is typically used in long-haul network connections spread out over extended areas–longer than a few miles.