Can SC and LC be mated directly?

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Prepare for the Airstream Gate 5 Fiber Optic Test with comprehensive study materials including flashcards and multiple-choice questions, all equipped with hints and explanations. Ace your exam!

Multiple Choice

Can SC and LC be mated directly?

Explanation:
Direct mating isn’t possible because SC and LC use different physical designs. SC has a larger 2.5 mm ferrule with a distinct mating profile, while LC uses a smaller 1.25 mm ferrule and a different latch/interface. This mismatch means the fiber cores wouldn’t align properly and could be damaged or cause high loss if you forced them together. In practice, you connect SC to LC only with a proper adapter (a hybrid SC–LC adapter) or by using a patch cord that has SC on one end and LC on the other.

Direct mating isn’t possible because SC and LC use different physical designs. SC has a larger 2.5 mm ferrule with a distinct mating profile, while LC uses a smaller 1.25 mm ferrule and a different latch/interface. This mismatch means the fiber cores wouldn’t align properly and could be damaged or cause high loss if you forced them together. In practice, you connect SC to LC only with a proper adapter (a hybrid SC–LC adapter) or by using a patch cord that has SC on one end and LC on the other.

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