LC/UPC Multimode 50/125um OM4 Fiber Optic Loopback Test Plug for Testing Applications or Network Restorations


LC/UPC Multimode 50/125um OM4 Fiber Optic Loopback Test Plug

Fiber Loopback is designed to provide a media of return patch for a fiber optic signal. Typically, it is used for fiber optic testing applications or network restorations. For the testing applications, the loopback signal is used for diagnosing a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem.

Type: Loopback Module
Test wavelength: 850nm
Fiber: Bending insensitive Multimode 50/125 OM4
Connector: LC/UPC
Insertion loss: Typical: ≤0.20dB Maximum: ≤0.30dB
Return loss: UPC: ≥20.0dB
Repeatability: ≤0.10dB
Interchangeability: ≤0.20dB
Durability: ≤0.20dB typical change, 1,000 mating
Operating temperature: -20 to +70 degrees

Fiber labs
Telecom testing
FTTX testing
Patch panel applications
Equipment interconnection

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  • FedEx Estimated 3-6 business days
  • DHL Estimated 3-6 business days
  • UPS Estimated 3-6 business days

Extended 30-day, no-questions-asked Return Policy

We have a 30-day, no-questions-asked return policy for all of our products. If you aren’t satisfied, please contact our team within 30 days of receipt for a refund or replacement. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original and unopened packaging. To initiate a return please contact our customer success team who will issue an RMA number and provide return shipping instructions.

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LC/UPC Multimode 50/125um OM4 Fiber Optic Loopback Test Plug for Testing Applications or Network Restorations
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