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What Is a Fiber Optic Cable Adapter?

Fiber optic adapters connect two optical cables. The user inserts the cables into both ends of the fiber adapter to enable the conversion between different interfaces. Simplex adapters connect single fibers, duplex adapters connect two fibers and multiplex adapters can connect up to four fibers. The coupling of these cables occurs in the alignment sleeves, which support the connectors. Once you've established the connection, pulses can travel through the cables without interruption or signal loss.

Benefits and Uses of Fiber Couplers

Fiber couplers are used with optical fiber distribution frames for superior and reliable performance. Since the cables are precisely aligned, there is minimal to no signal loss. You can use optic adapters in virtually any application since couplers exist for every type of fiber optic connection available.

Applications for fiber optic couplers include:

  • Internet and local area networks (LANs).
  • Telecommunications, like community antenna TV (CATV).
  • Industrial networking.
  • Public utility networks.


How to Choose a Fiber Optic Adapter

Technicians must first decide what types of cable they are connecting. Then, they can determine which fiber optic cable adapter they need by considering:

  • Fiber cable type: A fiber optic coupler with a square, rectangular or circular interface is best for connecting the same fiber cable type and connector. A hybrid fiber adapter is necessary when connecting two types of cable.
  • Fiber adapter sleeve material: Ceramic is a material used for alignment bushing in fiber optic adapters. Ceramic is not malleable, so the fiber adapter will align quickly for a precise connection. Metal is another option for the adapter sleeve.


Fiber Adapter Products at Multilink

The fiber couplers at Multilink are part of our Surelight collection of connectivity solutions. Surelight products are simple, work quickly and are more reliable for installation and use in networks. Our fiber couplers have various options available for:

  • Format: Singlemode and multimode.
  • Connector type: Ferrule core (FC), MTRJ, Lucent connectors (LC) Duplex, LC Quad, MTP, Standard connectors (SC) Simplex, SC Duplex, ST and 10 GIG.
  • Fiber polish: APC and UPC.


The sleeve material options include ceramic and phosphor bronze. With our variety of options, we're sure to have an adapter with the connection capabilities you need.

Why Work With Multilink?

Multilink is a designer and manufacturer for telecommunications and transportation systems as well as a source for fiber optic cable adapters. Since 1983, we have provided innovative communication products and partnered with broadband operators worldwide. Network providers use our fiber adapters and other products to design or expand their network infrastructure.

Because our products are universal, the engineers at Multilink can bundle products and create custom solutions. This approach will ensure you get a comprehensive network solution. We serve departments of transportation (DOT), data centers, network providers and similar companies worldwide from our facility in northeast Ohio.

Request a Quote for Your Fiber Optic Couplers

Multilink has fiber optic adapters for seamless, reliable connections between two cables. Get a quick quote by filling out the form on the product page. For more information, contact us online today.