Project Description

AquaLink® FS140

Physical Contact Connectors – Specialty

Amphenol Fiber Systems International (AFSI) offers the AquaLink®, a cost-effective series of dry-mate submersible fiber optic connectors for underwater applications. The FS140 AquaLink® is designed for pressures up to 4,500 psi/300 bar (mated), which is adequate for 10,000 feet (3,000 meters) of water. The open mated receptacle supports pressures up to 450 psi.

The standard AquaLink® supports up to four single mode or multimode fiber optic contacts with additional channels available upon request. Using precision ceramics, the AquaLink® provides excellent optical performance with insertion losses of 0.3dB typical and 0.75dB maximum. The AquaLink® is also easy to terminate, requiring standard fiber optic tools and training. The AquaLink® is offered in a variety of materials including stainless steel 316, Inconel 718 and marine bronze.


  • Cost-effective multi-channel underwater fiber optic connector
  • Supports applications up to 10,000 feet
  • Easy to terminate using standard fiber optic tools and training
  • Available in a variety of materials


  • Tidal power generation
  • Underwater ROVs
  • Subsea tiebacks
  • Seabed systems
  • Submerged sensor systems


Description Measurement/Detail
Pressure: < 10 kpsi (mated)
Insertion Loss: < 0.75 dB