StarTech Cisco SFP-10G-LR-S Compatible SFP+ Module — 10GBASE-LR over SMF

The StarTech.com Cisco SFP-10G-LR-S compatible SFP+ module delivers enterprise-grade 10 Gigabit Ethernet connectivity over single-mode fiber, designed to mirror Cisco’s SFP-10G-LR-S specifications while offering the reliability and compatibility StarTech is known for. This 10GBASE-LR capable transceiver is engineered for high-performance networks, delivering precise 1310 nm signaling, robust EMI protection, and a compact SFP+ form factor that snaps into standard SFP+ ports on compatible switches and routers. It is ideal for data centers, campus backbones, and core networks where long-haul, point-to-point links are required. With a focus on plug-and-play installation, this transceiver minimizes downtime and preserves investment by ensuring seamless interoperability with Cisco-brand devices and other equipment that adheres to the 10GBASE-LR standard. Whether expanding an existing fiber backbone or building a new high-speed link, this module is designed to provide dependable, consistent performance across demanding environments.

• High-speed 10GBASE-LR support enables 10 Gigabit Ethernet over single-mode fiber, delivering scalable bandwidth for data-intensive applications, storage replication, and latency-sensitive workloads across metropolitan area networks and data centers.
• Single-mode fiber (SMF) compatibility supports long-distance links with low attenuation, making it ideal for inter-building connections, long-haul across campuses, and backbones that require stable signal integrity over kilometers.
• SFP+ form factor fits standard SFP+ slots on a wide range of Cisco switches and routers, facilitating straightforward upgrades and expansions without hardware redesigns.
• 1310 nm wavelength optimized for low dispersion on SMF, enabling reliable transmission over extended distances while maintaining high signal quality and minimal bit error rates.
• Cisco compatibility ensures seamless interoperability with Cisco ecosystem devices, reducing compatibility concerns and enabling straightforward integration into existing networks with trust and predictability.

Technical Details of StarTech Cisco SFP-10G-LR-S Comp. SFP+ Module

• Compatible with Cisco SFP-10G-LR-S interfaces, providing a reliable, vendor-aligned transceiver option for 10GBASE-LR deployments.
• Data rate: 10 Gbps full-duplex Ethernet over single-mode fiber, enabling high-throughput links for data centers and campus networks.
• Wavelength: 1310 nm, selected to minimize dispersion and maximize performance across SMF links up to 10 kilometers.
• Fiber type: Single-mode fiber (SMF) with LC duplex connector, suitable for long-distance fiber runs with industry-standard compatibility.
• Connector: LC duplex, hot-swappable SFP+ form factor for effortless installation and maintenance in live environments.
• Conditioned for compatibility: Programmed and tested to work with Cisco-brand devices while maintaining StarTech’s rigorous quality controls for consistent performance.
• Transmission distance: Up to 10 kilometers on SMF under optimal link conditions and with appropriate fiber specifications, enabling flexible network architectures.

How to Install StarTech Cisco SFP-10G-LR-S

Step 1 — Power down or hot-swap with care: If your switch or router supports hot-swapping, you can insert the SFP+ module into an available SFP+ slot without powering down the device. If you prefer to power down, disconnect the device from power, ensuring proper ESD precautions by touching a grounded metal surface before handling the module.

Step 2 — Align and insert: Hold the module by its edges and align the module with the SFP+ port. Gently insert it straight into the slot until you hear a subtle click, indicating the module is seated securely. Do not apply force or bend the connectors; improper insertion can damage the transceiver or the port.

Step 3 — Connect the fiber: Attach a high-quality single-mode fiber cable with LC duplex connectors to the module. Ensure the fiber is properly terminated with the correct connectors and that the fiber end faces are clean to avoid signal loss. Route the cable to the network device with attention to bend radius requirements to preserve signal integrity.

Step 4 — Verify link status: Power on the device (if you powered down) and verify the transceiver is recognized. Use your device’s management interface or command-line tools to confirm the interface status shows as up, and check the link LED indicators for a stable optical link. If the link does not come up, verify fiber polarity, SRL/CRC settings, and that the target device supports 10GBASE-LR.

Step 5 — Monitor performance and maintain: Once the link is established, monitor key performance metrics such as throughput, error rates, and signal integrity. Periodically inspect fiber connections for cleanliness and integrity. Keep the transceiver and fiber clean and free from dust to maintain long-term performance.

For best results, ensure your network equipment is compatible with 10GBASE-LR SFP+ transceivers, and verify that fiber distances and connectors align with the specifications of your link budget. This module is designed to integrate smoothly into existing Cisco-based deployments, offering predictable performance and minimizing compatibility concerns. Regular firmware updates for your edge devices and switches can also help maintain compatibility with third-party transceivers, including this StarTech module, while preserving network reliability.

Frequently asked questions

• Q: Is this StarTech module truly Cisco-compatible, and can I use it in Cisco-brand devices without issues?
• A: Yes. The StarTech SFP-10G-LR-S compatible SFP+ module is designed to mirror the Cisco SFP-10G-LR-S specifications, ensuring reliable interoperability with Cisco switches and routers while delivering the performance of a genuine 10GBASE-LR transceiver.
• Q: What distance can I expect with SMF using this transceiver?
• A: The module supports up to 10 kilometers on standard single-mode fiber under optimal conditions. Actual distance may vary based on fiber quality, connectors, and network equipment. Ensure your fiber path meets the link budget requirements for your deployment.
• Q: What wavelength does this transceiver use, and why does it matter?
• A: It operates at 1310 nm, a wavelength chosen for low dispersion and high transmission efficiency over SMF, enabling longer distances and robust performance for 10G links in backbone and campus networks.
• Q: Can this module be hot-swapped in a live network?
• A: In most cases, yes. If your equipment supports hot-swapping and you follow proper anti-static and handling procedures, you can insert or remove the transceiver without powering down the device. Always consult your device’s documentation and follow best practices to maintain network availability.
• Q: What should I consider when integrating this module into a mixed-vendor environment?
• A: While this module is designed for Cisco compatibility, always verify the target devices’ compatibility with third-party SFP+ transceivers and confirm any vendor-specific requirements or warranty implications. Proper MSA compliance and fiber specification alignment help ensure stable operation in mixed environments.