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Manufacturers specializing in telecommunications, fiber optic network connectivity, passive components, data center cabling, and other fields

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SC Optical Loopback (Jumper Type)

Fiber Optic Loopbacks are designed to provide return patch for a fiber optic signal. They are used for fiber optic testing applications or network restorations. When it is used in testing applications, loopback signals are used for diagnosing problems. The best practice is to send a loopback test to network equipment, one at a time for isolating the problem.