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LC Fiber Optic Loopback Adapters

Networx® LC Fiber Optic Loopback Adapters are designed to route transmitted optical signals back into receiving ports for equipment testing, diagnostics, and troubleshooting. Available for singlemode and multimode fiber applications, including 9/125, 50/125, 62.5/125, OM3, OM4, and OM5 specifications, these compact loopback adapters help technicians verify port operation, test transceivers, and identify potential network hardware issues. They are well suited for data centers, telecommunications facilities, network laboratories, and field service applications.

  • Designed for fiber optic equipment testing and diagnostics
  • Routes transmitted signals back into receiving ports
  • Available for singlemode and multimode fiber applications
  • Supports 9/125, 50/125, 62.5/125, OM3, OM4, and OM5 fiber specifications
  • Compatible with LC fiber optic interfaces
  • Helps verify transceiver and network equipment operation
  • Assists with identifying port and hardware issues
  • Compact design is convenient for field and laboratory use
  • Reusable construction supports repeated testing procedures
  • Suitable for data centers, telecommunications, and network maintenance

 

Where to Buy Available from authorized Networx resellers
Available Models
FL-LC1MM6
LC Fiber Optic Loopback Adapter (62.5/125)
Networx® LC 62.5/125 loopback adapter checks legacy multimode Tx/Rx paths.
$16.49
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FL-LC1SM9
LC Fiber Optic Loopback Adapter (9/125)
Networx® LC singlemode loopback adapter verifies 9/125 optics without a live link.
$17.89
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FL-LC2MM5
LC Fiber Optic Loopback Adapter (50/125)
Networx® LC 50/125 loopback adapter gives multimode ports a quick local test path.
$16.49
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FL-LC3MM5
LC Fiber Optic Loopback Adapter (OM3)
Networx® OM3 LC loopback adapter helps validate 10G-ready multimode ports and optics.
$16.49
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FL-LC4MM5
LC Fiber Optic Loopback Adapter - OM4, UPC, (50/125)
Networx® OM4 LC loopback adapter tests high-bandwidth multimode transceivers in place.
$16.69
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FL-LC5MM5
LC Fiber Optic Loopback Adapter - OM5, UPC, (50/125)
Networx® OM5 LC loopback adapter supports wideband multimode port diagnostics.
$21.49
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Products specifications
Attribute nameAttribute value
Connector ALC Male
Connector BLC Male
Length2 Inch
SKUFL-LC