The SC pigtail is round
You can use these fiber optic pigtails in places where it is between -20°C and 70°C. The differences between LC, ST, and SC connectors are crucial for various applications in networking. Executive Summary: A fiber optic pigtail is one of the most commonly specified yet least understood components in structured cabling. A SC/APC Singlemode Fiber Pigtail is a short piece of optical fiber with a pre-terminated SC/APC (Angled Physical Contact) connector on one end and an unconnectorized bare fiber on the other.
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