Fiber Optic Adapter LANBERG SC/APC Duplex Singlemode (SM) — SC/APC Duplex Coupler

LANBERG SC/APC Duplex Singlemode fiber optic adapter provides a reliable duplex SC/APC coupling interface for joining two SC/APC-terminated singlemode fibers or patch cords. Designed for installations where low back reflection and stable optical alignment are required, this adapter is suitable for telecom, access networks, fiber patch panels and equipment interconnection. The angled physical contact (APC) polish reduces return loss and helps maintain link performance in singlemode applications.

Advantages

The duplex SC/APC adapter ensures precise fiber alignment and repeatable connections between SC/APC terminated plugs, delivering consistent insertion loss and low reflectance thanks to the angled polish. Its compact duplex form factor saves panel space while allowing two independent channels in a single footprint. Constructed for standard fiber infrastructure, the adapter supports straightforward installation into patch panels and faceplates and is compatible with common singlemode cabling practices.

Suitable for

• Telecommunication backbone and access links requiring singlemode SC/APC connectors
• Fiber patch panels and distribution frames
• Interconnection between singlemode network equipment and patch cords
• Optical test setups and splicing enclosures where duplex coupling is needed

Key specifications

• Connector type: SC/APC duplex coupling
• Fiber type: Singlemode
• Polish type: Angled Physical Contact (APC)
• Number of channels: 2 (duplex)
• Mounting: standard panel/faceplate compatible duplex adapter housing
• Typical application: telecom, access networks, patch panels, equipment interconnect

How to use

Install the adapter into a compatible cutout on a patch panel or faceplate until it is securely seated. Insert SC/APC-terminated fiber plugs into each adapter port, ensuring the angled connector keys align with the adapter orientation. Verify connection quality with an optical power meter or light source if required; the APC polish requires correct mating to maintain low return loss. For removal, gently pull the connector straight out to avoid disturbing adjacent fibers.

Usage recommendations

Handle SC/APC connectors and adapter ports with care to avoid contamination; always use dust caps when ports are not in use and clean connector end-faces with appropriate fiber cleaning tools before mating. Avoid excessive bending of singlemode fibers at the connection point and perform optical verification after installation to confirm acceptable insertion loss and return loss.