LC Connector

LC Fiber Connector designed for duplex lc applications, Curing epoxy and Crimping needed for lc upc connector, lc apc connector, lc connector, and lc duplex connector. The LC connector is a small form-factor fiber optic connector known for its high port density, featuring a 1.25 mm ferrule that is half the size of older SC connectors. It uses a push-pull latching mechanism for secure and easy operation and is most commonly used in a duplex configuration for modern networking equipment in data centers and offices, supporting both single-mode and multimode fibers.

Introduction

The Epoxy-Type LC Connector is a fundamental, field-installable component engineered for creating permanent, high-performance terminations in duplex fiber optic systems. Designed around the industry-standard small form-factor LC interface with its 1.25 mm ferrule, this connector is the cornerstone for achieving high port density in modern networks. Requiring a process of epoxy adhesive curing and mechanical crimping, it provides a robust and reliable termination for both UPC and APC polish types, supporting single-mode and multimode fibers. It is the essential building block for crafting custom-length duplex patch cables and securing permanent links in data centers and telecommunications infrastructure.

Features

● Features the standard 1.25 mm ceramic ferrule, enabling high-density connections in patch panels and transceivers.

● Utilizes a durable epoxy adhesive for bonding the fiber within the connector, ensuring a strong, permanent, and low-loss connection.

● Includes a crimp sleeve that, when applied, secures the cable's strength member (aramid yarn) to the connector body, providing essential mechanical robustness.

● Supports both single-mode (9/125µm) and multimode (50/125µm, 62.5/125µm) fiber types for versatile application use.

● Can be assembled and polished to either Ultra Physical Contact (UPC) or Angled Physical Contact (APC) standards to meet specific optical return loss requirements.

● Designed and supplied as part of a system for creating balanced, polarity-correct LC duplex patch cables and pigtails.

● Incorporates the reliable, easy-to-operate LC latch for secure connections and quick insertions/removals in high-density environments.

Principles

This connector operates on the principle of creating a permanent, precision-aligned interface between a bare optical fiber and the network equipment port. The process begins by injecting a fast-curing epoxy adhesive into the connector's ferrule. The prepared, stripped fiber is then inserted through the connector and into the ferrule. After the epoxy cures (often accelerated with a curing oven), it permanently bonds the glass fiber to the ceramic ferrule. The protruding fiber end is then cleaved and polished—using a series of increasingly fine abrasive films—to create a perfectly smooth, flat (UPC) or angled (APC) end-face. This polished face ensures optimal physical contact with the mating adapter, minimizing back-reflection and insertion loss. Finally, the connector's crimp mechanism is applied to anchor the cable's strength members, transferring any tensile load away from the fragile glass fiber and ensuring long-term mechanical reliability.

Applications

● Field Termination of Optical Cables: Used by technicians to create custom-length patch cords or to terminate building backbone and horizontal cabling on-site.

● Data Center High-Density Patching: Building reliable LC duplex patch cables for connecting servers, switches, and storage devices in space-constrained racks.

● Fiber Distribution Panel Build-Outs: Installing connectorized pigtails onto splice trays within fiber enclosures and patch panels in telecommunications rooms.

● Network Maintenance and Repair Kits: Serving as a core component in field repair kits for restoring damaged connectors or creating emergency links.

● Equipment and Module Manufacturing: Used in the production of fiber optic transceivers, active optical cables, and other integrated optical devices requiring terminated fiber interfaces.

Specifications