Cisco 1000BASE-LX Transceiver

Cisco 1000BASE-LX – Long-Reach Gigabit Ethernet SFP Transceiver

Overview of Cisco 1000BASE-LX Transceiver

The Cisco 1000BASE-LX is a high-quality Gigabit Ethernet SFP transceiver designed for long-distance fiber optic communication. Operating at a wavelength of 1310 nm, it transmits data over single-mode fiber (SMF) up to 10 kilometers and can also be used over multimode fiber (MMF) with mode-conditioning patch cables. This makes it highly flexible for various enterprise networking environments, including campus backbones, metro Ethernet links, and service provider networks.

Built to work seamlessly with Cisco switches and routers, the Cisco 1000BASE-LX transceiver ensures reliable and consistent 1 Gbps connectivity, making it an excellent choice for businesses seeking stable long-range data transmission.

Key Features of Cisco 1000BASE-LX

• Data Rate: 1 Gbps (Gigabit Ethernet)

• Wavelength: 1310 nm

• Interface: LC Duplex

• Form Factor: SFP (Small Form-Factor Pluggable)

• Fiber Type: Single-mode (up to 10km) / Multimode (with MCP cable)

• Hot-swappable

• DOM (Digital Optical Monitoring) support

• Compatible with Cisco Catalyst, Nexus, and other Cisco gear

The Cisco 1000BASE-LX delivers a balance of distance, speed, and reliability, ideal for networks that require secure fiber connections over extended ranges.

Use Cases for Cisco 1000BASE-LX

• Connecting remote buildings or branches via fiber backbone

• Enterprise core-to-access layer links

• Metro Ethernet deployments

• Education campus fiber infrastructure

• Government and financial institutions requiring secure long-range data transfer

Its ability to work with both SMF and MMF gives IT teams flexibility in deploying the transceiver across different legacy environments.

Benefits of Using Cisco 1000BASE-LX

• ✅ High-performance 1G link for long distances

• ✅ Seamless integration with Cisco infrastructure

• ✅ Energy-efficient and space-saving SFP design

• ✅ Easy to install and hot-swappable

• ✅ DOM support for proactive network monitoring

• ✅ Backed by Cisco’s extensive support and validation

With strong error correction and low latency, the Cisco 1000BASE-LX ensures consistent throughput even in mission-critical applications like data backup, video conferencing, and database synchronization.

Reliable Gigabit Fiber Connectivity for Business-Critical Networks

The Cisco 1000BASE-LX transceiver enables organizations to achieve greater reach and stability without compromising speed. For networks that rely on consistent uptime and secure communication, this module delivers dependable optical links that scale with business demands. Whether deployed in a government facility, a financial data center, or a university network, its proven performance makes it a solid foundation for long-term growth.

Flexible Integration with Existing Infrastructure

Unlike many fiber modules limited to one type of fiber, the Cisco 1000BASE-LX works with both SMF and MMF environments. This adaptability is particularly valuable when upgrading networks, allowing businesses to reuse existing cabling while still benefiting from fiber’s reliability and range. Its SFP format supports high-density configurations in switches and routers, making it suitable for space-constrained environments.

Cost-Effective Long-Distance Networking

The Cisco 1000BASE-LX offers an affordable solution for extending Gigabit links over significant distances. Instead of investing in new infrastructure, IT teams can leverage existing fiber plants to expand or connect network segments. With minimal maintenance and high MTBF (Mean Time Between Failures), this transceiver reduces both operational costs and risk.

Why Choose Cisco 1000BASE-LX for Your Network?

Choosing the Cisco 1000BASE-LX transceiver means investing in proven Cisco reliability, performance, and future-ready networking. This module is designed for long-distance Gigabit Ethernet connections, offering up to 10 kilometers of reach over single-mode fiber, making it ideal for large campuses, branch-to-branch links, and high-security environments. Its excellent signal integrity and low latency make it suitable for real-time applications such as VoIP, video conferencing, and database replication.

The Cisco 1000BASE-LX also supports Digital Optical Monitoring (DOM), which gives network administrators access to real-time diagnostics like temperature, voltage, and optical power levels. This allows for proactive maintenance and helps avoid unplanned downtime. Its compatibility with both single-mode and multimode fiber—using a mode-conditioning patch cable—adds extra deployment flexibility, especially during network upgrades or mixed-infrastructure scenarios. With its hot-swappable SFP design, it also minimizes service disruptions during installation or replacement.

In summary, the Cisco 1000BASE-LX transceiver provides cost-effective, long-distance fiber connectivity with the trusted stability of Cisco hardware—perfect for any enterprise looking to scale its network with confidence.