Patchcord Extralink LC/APC–LC/APC Single Mode Duplex 9/125 µm G.657.A1, 2 m

Patchcord Extralink LC/APC–LC/APC Single Mode Duplex 9/125 µm G.657.A1, 2 m is a 2-meter single-mode duplex fibre patchcord terminated with LC/APC connectors on both ends. The cable uses 9/125 µm single-mode fibre compliant with ITU-T G.657.A1 for improved bend performance, and a 3.0 mm outer diameter jacket suited for standard rack, panel and premises cabling. It is designed for fibre-to-the-home (FTTH) environments and general optical network patching, providing a compact LC/APC duplex interface for connecting optical transceivers, ONT/ONU devices, patch panels and distribution frames.

Advantages

The G.657.A1 single-mode fibre offers better tolerance to tight bends compared with standard G.652 fibres, reducing signal loss in constrained routing and home-installation scenarios. LC/APC connectors provide an angled physical contact that minimizes back-reflection, which is important for passive optical networks and high-sensitivity equipment. The 3.0 mm jacket delivers a balance between flexibility and mechanical protection while the duplex configuration simplifies two-way single-mode transmission using paired fibres.

Suitable for

• FTTH subscriber connections between ONT/ONU and wall outlet
• Patch panels and fibre distribution frames in telecom closets
• Interconnection of optical transceivers and switches with LC/APC ports
• Short interconnects within server rooms and telecommunications cabinets

Key specifications

• Fibre type: single-mode 9/125 µm, G.657.A1 compliant
• Connector type: LC/APC to LC/APC duplex
• Cable length: 2 m
• Cable jacket diameter: 3.0 mm
• Configuration: duplex, two fibres in a single jacket
• Typical applications: FTTH patching, LAN/WAN optical links, equipment interconnects

How to use

Connect one LC/APC connector to the source device (for example, an OLT, switch SFP port or optical transceiver) and the other LC/APC connector to the destination device (ONT/ONU, patch panel or transceiver). Ensure that the angled-polish (APC) connectors are mated with APC adapters to maintain the proper end-face angle and minimize reflections. Handle connectors by the boot and avoid touching the ferrule. Keep dust caps on connectors until installation and, if needed, clean ferrules with appropriate fibre cleaning tools before mating. Route the cable to avoid sharp bends and secure it inside trays or clips, respecting the fibre's minimum bend radius.

Recommendations

For best performance, use LC/APC adapters rated for APC connectors, maintain bend radii above the minimum specified for G.657.A1 where possible, and perform an optical inspection and cleaning before final connection. Use strain relief and proper cable management in distribution panels to prevent stress on connectors and fibres.