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Gigabit optical module 10 kilometers

Fiber and communications infrastructure knowledge brief Published 03 Jan 2024

Prepared for preliminary research by the ALFA PRO knowledge desk. Confirm optical interfaces, port or core capacity, electrical input and output, enclosure protection, thermal design and installation limits against current standards and product documentation.

Gigabit SFP transceivers for single-mode fiber can reliably transmit data over distances up to 10 kilometers.

Overview

For 10 km optical links, single-mode fiber (SMF) SFP modules are the standard choice. These modules operate at a 1310 nm wavelength and use LC connectors, providing stable, high-speed Gigabit Ethernet connectivity over long distances. They are suitable for applications such as interconnecting buildings, campus networks, industrial automation, and metropolitan area networks.

Key Features

Data Rate: 1 Gbps (Gigabit Ethernet)Fiber Type: Single-mode fiber (SMF, typically G. 652 compliant)Wavelength: 1310 nmConnector Type: LC duplexMaximum Reach: Up to 10 kmHot-Pluggable: Allows easy installation and replacement without powering down equipmentDigital Diagnostics Monitoring (DDM): Some modules support real-time monitoring of optical power, temperature, and voltage for network reliability Deployment ConsiderationsCompatibility: Ensure the SFP module is compatible with your switch or router. Many modules are tested for interoperability with major brands like Cisco, Juniper, and Huawei.

Fiber Quality: Use low-loss single-mode fiber and clean connectors to maintain signal integrity over 10 km. Environmental Conditions: Check the operating temperature range, especially for industrial or outdoor deployments. Some modules support extended temperature ranges for harsh environments.

Future Expansion: If you anticipate longer distances in the future, consider 10G SFP+ modules (e.g., 10GBASE-LR) that can also support 10 km links but at higher data rates. Example ModulesGSFIBER-SFP-10K: Gigabit Ethernet SFP, 1310 nm, LC connector, 10 km reach. Cisco SFP-1G-LR: Supports 10 km over standard SMF, compatible with Cisco switches.

Fibrecross 10G SFP+ LR: While designed for 10G, it also supports 10 km links over single-mode fiber with DDM support. These modules provide a cost-effective and reliable solution for long-reach Gigabit Ethernet connections, ensuring stable network performance across extended distances.

Gigabit optical module 10 kilometers - ALFA PRO COMMUNICATION SYSTEMS (Pty) Ltd [PDF]

Gigabit optical module 10 kilometers

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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