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Lc interface single-mode module

ODN and passive infrastructure knowledge brief Published 17 May 2026

Prepared for preliminary research by the GESTIONVAL ODN knowledge desk. Confirm network topology, split ratio, box or cabinet capacity, joint closure rating and loss budget against current standards and product documentation.

An LC interface single-mode module is a fiber optic transceiver that uses LC connectors to transmit data over long distances via single-mode fiber, typically in SFP form factors.Overview

An LC interface single-mode module is a compact fiber optic transceiver designed for high-speed, long-distance data transmission using single-mode fiber cables. The LC connector, with a 1.25 mm ferrule, allows for high-density port deployment and reduced signal loss, making it ideal for data centers, telecommunications, and enterprise networks .

Key Features
  • Connector Type: LC (Lucent Connector), available in simplex or duplex configurations depending on whether one or two fibers are used .
  • Fiber Type: Single-mode fiber, which has a core diameter of approximately 9 microns, allowing light to propagate in a single mode for minimal interference and long-distance transmission .
  • Data Rates: Typically supports 1 Gbps to 1.25 Gbps, with some modules capable of higher speeds depending on the manufacturer .
  • Distance: Single-mode LC modules can span from a few kilometers up to 80 km or more, depending on the module's specifications and wavelength .
  • Form Factor: Most modules are SFP (Small Form-factor Pluggable), which are hot-pluggable and compatible with standard SFP slots on switches and fiber converters .
Advantages
  • High Port Density: The compact LC design allows more ports per switch or patch panel, saving space in high-density environments .
  • Low Signal Loss: Accurate ferrule alignment and single-mode fiber reduce insertion loss and maintain signal integrity over long distances .
  • Ease of Use: Snap-in LC connectors and hot-pluggable SFP modules simplify installation and maintenance .
  • Long-Distance Capability: Single-mode fiber supports long-range connections, suitable for campus networks, business parks, and industrial applications .
Applications
  • Enterprise Networks: Connecting switches across large office buildings or campuses.
  • Data Centers: High-speed uplinks between racks or server clusters.
  • Telecommunications: Long-haul fiber links for ISPs or backbone networks.
  • Industrial Networks: Reliable connections in manufacturing or remote facilities .
Summary

An LC interface single-mode module is essential for modern fiber optic networks requiring long-distance, high-speed, and reliable data transmission. Its combination of LC connectors, single-mode fiber, and SFP form factor ensures compatibility, scalability, and efficient network deployment .

Lc interface single-mode module - GESTIONVAL ODN INFRASTRUCTURE S.L. [PDF]

Lc interface single-mode module

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Technical note

This reference is intended for preliminary ODN and passive infrastructure research. Topology, split ratio, box or cabinet capacity, closure rating, cable type, test limits and applicable standards must be verified for the specific project.

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