Fiber optic loopback incorporates two fiber optic connectors which are plugged into the 

output and input port of the equipment respectively. Therefore, fiber loopback cables can 

be classified by the connector types, such as LC, SC, MPO and MTP. These fiber optic 

loopback connectors are compliant with IEC, TIA/EIA specifications.

  Besides, the fiber optic loopback also can be used on single mode 9/125, multimode 50/125, 

62.5/125, OM3, OM4.

  The LC fiber optic loopback is one of the most popular loopbacks. support the test of transceivers 

featuring LC interface. They can comply with low insertion loss, low back reflection and high 

precision alignment.

Specification:

• Single-mode and multi-mode optional, end face PC or APC8° optional
  
• Low loss and standard loss optional
  
• Outer frame color optional (Violet, Aqua, Yellow)
  

• Fiber type optional