LC to LC Coupler StarTech.com DMFKSLCLCCOUPLER Duplex Fiber Optic White

Connect two LC Duplex fiber cables or add fiber connectivity to a keystone patch panel using the StarTech.com LC to LC Keystone Coupler (DMFKSLCLCCOUPLER). This female-to-female coupler accepts LC connectors with UPC polished ends and supports both Single Mode and Multimode fiber types, enabling a secure, low-loss inline connection in patch panels or wall plates.

Advantages

The coupler provides low insertion loss through ceramic-lined inner sleeves that ensure precise fiber alignment. Its ABS housing offers durable construction for long-term reliability, and the keystone form factor installs into standard keystone jacks without additional tools. The unit is compact, CE-compliant, and compatible with a wide range of fiber core/cladding sizes.

Suitable for

• Extending LC Duplex fiber connections within data centers and telecom racks
• Adding fiber links through keystone patch panels or wall plates
• Joining Single Mode (OS1/OS2) or Multimode (OM1–OM5) LC/LC cables

Key specifications

• Model: StarTech.com DMFKSLCLCCOUPLER
• Connector type: LC duplex female to female (UPC polished)
• Compatibility: Single Mode OS1/OS2 (9/125 µm); Multimode OM1/OM2/OM3/OM4/OM5 (62.5/125 µm and 50/125 µm)
• Housing material: ABS; inner sleeves: ceramic-lined
• Form factor: Keystone coupler (fits keystone patch panels and wall plates)
• Color: White
• Certifications: CE compliant

How to use

Insert the coupler into a compatible keystone jack in your patch panel or wall plate until it snaps into place. Plug an LC Duplex connector from one fiber cable into one side of the coupler and the mating LC Duplex connector from the other cable into the opposite side, ensuring UPC-polished end faces are clean and properly oriented. Verify connections and test for continuity and insertion loss as required by your installation procedures.

Usage recommendations

For best performance, clean fiber connector end faces before mating and follow standard fiber handling practices. Use the coupler in environments within the equipment’s specified operating conditions and test the link after installation to confirm acceptable insertion loss and continuity.