Cisco 1000BASELXLH network transceiver module 1000 Mbits

Cisco 1000BASE-LX/LH Network Transceiver Module

Overview of the Cisco 1000BASE-LX/LH Transceiver

The Cisco 1000BASE-LX/LH transceiver module is a high‑performance, single‑mode fiber optic component designed for Gigabit Ethernet applications. It delivers reliable data transmission at up to 1,000 Mbit/s over long distances, making it ideal for enterprise backbone links, data center interconnects, and industrial networking environments.

Key Technical Specifications

• Connector Type: LC (with optional PC variant)
• Maximum Transfer Distance: 10 000 m on single‑mode fiber
• Fiber Compatibility: Supports both MMF and SMF, though optimized for SMF
• Wavelength: 1310 nm, a standard for long‑reach Gigabit Ethernet
• Transmit Power Range: From -3 dBmW to -9.5 dBmW
• Data Rate: Up to 1,000 Mbit/s (Gigabit Ethernet)
• Cable Technology: 100BASE‑LX/LH, ensuring compatibility with existing Cisco infrastructure
• HS Code: 85369010 – a classification used for customs and trade documentation

Design Features and Durability

The module incorporates a ruggedized housing that protects internal components from environmental stressors such as temperature extremes, vibration, and electromagnetic interference. This design makes the transceiver suitable for deployment in harsh industrial settings, including factory floors, outdoor data centers, and field‑service installations.

Mini‑GBIC (SFP) Form Factor

The Cisco 1000BASE-LX/LH is built on the SFP (Small Form‑Factor Pluggable) standard, also known as Mini‑GBIC. This compact form factor allows for hot‑swappable installation in a wide range of Cisco switches and routers without requiring power cycling or system downtime.

Single‑Mode Fiber Optimization

By operating at 1310 nm, the transceiver achieves low attenuation over long distances, enabling reliable connectivity up to 10 km. The module’s internal optics are engineered for minimal signal loss and high return‑loss performance, ensuring consistent link quality even in demanding network topologies.

Compatibility with Cisco Platforms

The transceiver is fully compatible with a broad spectrum of Cisco devices, including:

• Cisco Integrated Services Routers (ISR) – e.g., 3270 Rugged ISR series
• Catalyst Switches – such as the ESS9300 Embedded Series
• Industrial and Ruggedized Equipment – designed for field service, oil & gas, and transportation applications

Installation Guidelines

Proper installation ensures optimal performance:

1. Verify Fiber Type: Confirm that the fiber cable is single‑mode (SMF) before insertion.
2. Clean Connectors: Use lint‑free wipes and appropriate cleaning solutions to remove dust or debris from LC connectors.
3. Align Polarity: Ensure correct orientation of the LC connector’s key to avoid misalignment.
4. Secure Mounting: Insert the transceiver into the host device’s SFP slot until it clicks into place, then secure any locking mechanism if present.

Performance Characteristics

The Cisco 1000BASE-LX/LH module delivers a robust link budget that balances transmit power and receiver sensitivity. The specified range of -3 dBmW to -9.5 dBmW allows network designers to tailor the output for specific fiber lengths, ensuring minimal signal degradation while maintaining energy efficiency.

Applications Across Industries

• Enterprise Networking: Backbone links between campus buildings or data center tiers.
• Industrial Automation: Connectivity in manufacturing plants where ruggedized components are essential.
• Telecommunications: Backhaul connections for mobile base stations and fiber‑to‑the‑home deployments.
• Transportation Systems: High‑speed data links between control centers and field equipment.

Why Choose the Cisco 1000BASE-LX/LH?

The combination of long‑reach capability, rugged construction, and seamless integration with Cisco ecosystems makes this transceiver a reliable choice for mission‑critical networks. Its adherence to industry standards ensures that it can be deployed in diverse environments without compromising on performance or reliability.

Conclusion

The Cisco 1000BASE-LX/LH network transceiver module exemplifies Cisco’s commitment to delivering high‑quality, durable networking components. With its extensive reach, robust design, and compatibility across a wide array of Cisco devices, it stands out as an essential building block for modern, resilient fiber optic networks.