Fiber Connector Types Expalined

FC/PC - A threaded optical connector that originated in Japan. Good for single-mode or multimode fiber and applications requiring low back reflection. The physical contact (PC) polish produces a slightly curved end face that forces the fibers in the mating connectors into contact. This reduces back reflection to about -40dB.

SC/PC - Abbreviation for subscription channel connector, this push-pull type of optical connector also originated in Japan. Features high packing density, low loss, low back reflection, and low cost. The physical contact (PC) polish produces a slightly curved end face that forces the fibers in the mating connectors into contact. This reduces back reflection to about -40dB

ST - Abbreviation for straight tip connector originally developed by AT&T. This connector closely resembles a BNC-type coax connector

SC/APC - Abbreviation for subscription channel connector. The angled physical contact (APC) adds an 8° angle to a flat polish reducing back reflection to -70 dB. Its green colored body signifies Angle PC application. Caution: mating an angle polished connector with a flat polished connector will irreparably damage both connectors, DO NOT do it!

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