Cisco 1000Base Lx Lh Sfp Mini Gbic Module Long Reach 1310 Nm Single Mode Fiber Transceiver

Elevate your network infrastructure with the Cisco 1000Base LX/LH SFP Mini GBIC Module—a compact, hot-swappable transceiver engineered for dependable long-haul single-mode fiber connectivity. This 1000BASE-LX/LH module delivers a robust 1 Gbps data rate and leverages the proven Cisco ecosystem, ensuring seamless integration with Catalyst, Nexus, and ISR devices. Built for modern enterprises, data centers, and campus networks, it combines reliable performance with easy deployment, scalable reach, and simplified management across IOS, IOS-XE, and NX-OS environments. Whether you’re extending a LAN backbone, building a metropolitan-area link, or linking remote distribution cabinets, this Cisco SFP module provides the reliability and flexibility your network architecture requires.

• Seamless Cisco ecosystem compatibility: Designed to integrate with Cisco switches, routers, and other compatible devices, this SFP module delivers OPTIMAL interoperability across Cisco OS platforms. It simplifies provisioning, monitoring, and troubleshooting with familiar Cisco tooling, enabling predictable behavior and consistent performance in your existing network fabric.
• Long‑reach, single‑mode performance at 1310 nm: The 1000BASE-LX/LH transceiver uses 1310 nm wavelength technology to deliver up to 1 Gbps over single‑mode fiber. The LX/LH family is optimized for long‑haul links, making it ideal for bridging dispersed campuses, inter‑data center connections, metro links, and backbone uplinks without sacrificing signal integrity or reliability.
• Compact, hot‑swappable mini‑GBIC design: This modular SFP form factor minimizes rack space consumption in dense switches and blade chassis. Its hot‑swap capability reduces maintenance windows, allowing you to insert or replace the module without powering down equipment (in devices that support hot‑swap). The small footprint also improves cable management and airflow, enabling cleaner installations in crowded data environments.
• Advanced diagnostics and reliability features: The transceiver includes modern health monitoring capabilities (DDM/DOM) that expose real‑time metrics such as optical power, temperature, supply voltage, and transceiver status. These diagnostics empower proactive fault isolation, trend analysis, and faster mean time to repair, helping you maintain high availability for mission‑critical links.
• Versatile for backbone and data‑center interconnects: Whether you’re deploying a campus core, inter‑switch uplinks, or data‑center interconnects, the LX/LH module supports flexible topologies with stable, predictable performance. It’s a trusted choice for long‑distance links that require consistent throughput, precise signal integrity, and straightforward management within Cisco environments.

Technical Details of Cisco 1000Base LX LH SFP Mini GBIC Module

• Transceiver type: 1000BASE-LX/LH SFP (Single-Mode Fiber)
• Wavelength: 1310 nm
• Data rate: 1.0 Gbps
• Fiber type: Single-Mode Fiber (SMF)
• Reach (LX): Up to 10 km on SMF (1310 nm)
• Reach (LH): Up to 70 km on SMF (1310 nm)
• Connector: LC duplex
• Interface: Hot-swappable SFP
• Diagnostics: Digital Diagnostics Monitoring (DDM/DOM) for real‑time optical power, temperature, voltage, and status
• Operating temperature: 0 to 70°C (typical in enterprise deployments)
• Power consumption: Typically 1–2 W depending on application and host device
• Compatibility: Cisco OS platforms including IOS, IOS-XE, and NX-OS; designed for use with Cisco Catalyst, Nexus, and ISR devices

How to install Cisco 1000Base LX LH SFP Mini GBIC Module

Install this Cisco SFP module with confidence, following these steps to ensure a clean, reliable connection and optimal performance:

• Verify compatibility: Confirm that your Cisco device supports SFP modules in the intended slots and that your IOS/IOS-XE/NX-OS version is current enough to support 1000BASE-LX/LH optics. Check the device documentation for hot‑swap capabilities and required licenses if applicable.
• Prepare the workspace: Power down the host device only if the slot is not hot‑swap capable. If hot‑swap is supported, you may proceed without a full power cycle. Ground yourself to prevent electrostatic discharge before handling the module or any fiber components.
• Inspect and prepare cables: Use high-quality single‑mode OS2 fiber with LC connectors. Inspect fiber ends for cleanliness and ensure correct polarity (TX to RX). Uncoil fiber with gentle bends and maintain minimum bend radii to avoid additional loss or damage.
• Insert the SFP module: Align the module with the slot and press firmly until the latch engages. If the device provides a latch or locking mechanism, ensure it is secure. Do not force the module; if you feel resistance, reseat and try again to prevent damage to the slot or connector.
• Connect the fiber cable: Attach the LC connectors to the corresponding ports, ensuring proper orientation and cleanliness. Avoid twisting or kinking the fiber, and route the cable to prevent strain on the connector.
• Power on and verify: Power on the device (if not already on) and use the CLI or GUI to verify link status. Typical Cisco commands include checking interface status, transceiver details, and DOM data. Look for a healthy optical power reading, a stable temperature, and a valid transceiver status. If available, enable or review SNMP traps or syslog messages related to the transceiver to monitor health over time.
• Validate performance: Run basic throughput and latency tests to confirm stabilization at the expected 1 Gbps rate. If you have a fiber path with diverse routes, confirm end‑to‑end reach and reliability across the LX/LH link, ensuring there are no unexpected loss or jitter characteristics.

Frequently Asked Questions

• What is 1000BASE-LX/LH? 1000BASE-LX/LH is a Gigabit Ethernet transceiver family designed for long‑haul connections over single‑mode fiber. LX (short for long‑haul) is optimized for moderate distance links, typically up to around 10 km, while LH (long‑haul) extends reach to much longer distances—tens of kilometers—depending on fiber characteristics and link budget. Both operate at 1310 nm and are commonly used for backbone uplinks, data center interconnects, and metro deployments.
• Is this module hot‑swappable? Yes. The SFP mini‑GBIC form factor is designed for hot‑swap operation on devices that support hot‑swap SFP modules. This enables maintenance and upgrades with minimal downtime when used in compatible Cisco switches, routers, and servers.
• Will this SFP work with non‑Cisco devices? The module is designed for Cisco devices and Cisco OS platforms (IOS, IOS-XE, NX-OS). While some non‑Cisco devices may recognize the module, interoperability and support are not guaranteed across all vendor platforms. For mission‑critical deployments, use in a Cisco‑supported environment is recommended.
• What are the key indicators that the transceiver is functioning correctly? The Digital Diagnostics Monitoring (DDM/DOM) data provides real‑time metrics such as optical power, temperature, voltage, and transceiver status. A healthy link typically shows stable optical power within expected ranges, normal operating temperature, and an “OK” or “Healthy” transceiver status in the device’s monitoring interface. Abnormal power levels, temperature spikes, or a fault status indicate potential fiber or connection issues that should be investigated promptly.
• What fiber type and connectors do I need? Use single‑mode fiber (OS2) with LC duplex connectors for 1000BASE-LX/LH transceivers. Ensure proper fiber terminations and polarity, and maintain appropriate bend radii throughout the path to preserve signal integrity over long distances.
• Can this transceiver be used for data center interconnects and campus backbones? Absolutely. The LX/LH family is designed for long‑haul fiber connections, making it suitable for campus cores, data center interconnects, metropolitan links, and remote site connections where reliable 1 Gbps performance over SMF is required.