Cisco SFP-10G-LR SFP+ Transceiver Module

The Cisco SFP-10G-LR SFP+ Transceiver Module delivers reliable, high-performance 10 Gigabit Ethernet connectivity over long-reach single-mode fiber. Crafted for enterprise data centers, campus networks, and service-provider deployments, this hot-swappable optical transceiver fits standard SFP+ ports on Cisco switches, routers, and network appliances, enabling seamless upgrades to a fast 10G backbone without replacing existing cabling or infrastructure. With a 1310 nm transmitter and LC duplex connector, the module is optimized for long-range links up to 10 kilometers under typical conditions, making it ideal for inter-building connections, data-center interconnects, and core/backbone uplinks. The SFP-10G-LR supports Digital Optical Monitoring (DOM) for proactive health checks and quick fault isolation, empowering IT teams to track optical power, temperature, and other critical parameters in real time. Built to Cisco’s rigorous standards, it combines robust engineering, plug-and-play simplicity, and broad compatibility with Cisco devices that support SFP+ optics. Whether you’re refreshing aging 1G links, expanding capacity on a campus network, or connecting data-center pods, this transceiver delivers dependable, scalable 10G performance with minimal disruption.

• Broad Cisco ecosystem compatibility: Specifically designed for use with Cisco devices that support SFP+ modules, ensuring seamless integration with Cisco switches, routers, and other enterprise gear. It supports standard 10GBASE-LR optical signaling, allowing you to mix with other Cisco optic options within the same chassis or stack when the device’s compatibility matrix permits it. This compatibility minimizes interoperability concerns and protects your existing investment in Cisco hardware and fiber cabling.
• Long-range, high-efficiency optics: The 1310 nm laser is optimized for long-haul single-mode fiber, delivering stable 10 Gbps performance over distances up to 10 kilometers in typical installations. The LR design affords excellent margin for attenuation, dispersion, and connector losses, making it ideal for campus backbones, data-center interconnects (DCIs), and inter-building links where fiber is shared between multiple networks.
• Low power, hot-swappable, with DOM: As a hot-swappable SFP+ transceiver, the module can be inserted or removed with minimal downtime in supported devices. It typically preserves low power consumption while providing Digital Optical Monitoring (DOM) data to monitor optical power, temperature, laser bias current, and other parameters. DOM enables proactive maintenance, faster troubleshooting, and improved link reliability.
• Built for reliability and enterprise-grade performance: Cisco optics undergo strict testing to meet enterprise reliability standards, including tight wavelength control, robust ESD protection, and tolerance to environmental variations. The SFP-10G-LR is designed to maintain strong performance in a variety of data-center and campus environments, with stable link budgets and consistent optical performance across deployments.
• Simple installation and maintenance workflow: With a familiar SFP+ form factor, the module plugs into standard SFP+ slots. Installation is typically plug-and-play—align, insert until it seats with a click, and monitor the link status LED or the DOM data to confirm connectivity. This simplicity reduces network downtime and accelerates upgrades, allowing IT teams to scale capacity quickly without forklift upgrades to fiber or cabling.

Technical Details of Cisco SFP-10G-LR SFP+ Transceiver Module

• Brand / Model: Cisco SFP-10G-LR (SFP+ Transceiver)
• Form Factor: SFP+ (Small Form-factor Pluggable)
• Data Rate: 10 Gbps (10GBASE-LR)
• Wavelength: 1310 nm
• Fiber Type: Single-Mode Fiber (SMF)
• Distance: Up to 10 kilometers under typical conditions; actual distance depends on fiber quality, connector losses, and channel budget
• Connector: LC duplex
• Operating Temperature: 0 to 70°C (Commercial) — check device-specific specifications for extended ranges
• DOM (Digital Optical Monitoring): Yes, provides real-time optical and diagnostic measurements
• Power Consumption: Typically under 1.5 W, varying by host platform and operational conditions
• Interoperability: Optimized for Cisco devices and 10GBASE-LR deployments; consult Cisco compatibility matrix for cross-vendor guarantees
• Protection & Durability: RoHS-compliant, ESD-protected, designed for reliable performance in data-center and enterprise environments

How to install Cisco SFP-10G-LR SFP+ Transceiver Module

• Prepare the device and confirm compatibility: Verify that the host device supports SFP+ optics and 10GBASE-LR, and consult the device’s compatibility matrix for Cisco transceivers. Confirm that you have the correct single-mode fiber patch cables with LC connectors and the appropriate fiber type for your link budget.
• Power considerations and safety: Although SFP+ modules are hot-swappable on many platforms, it is prudent to follow your equipment’s maintenance procedures. If your network policy requires powering down, perform a controlled shutdown of the port or device before installation. Otherwise, you can insert the module with the port enabled in supported devices.
• Remove protective caps and inspect: Take care to remove the protective dust caps from both the transceiver and the fiber patch cables. Inspect connectors for contamination and clean with an appropriate fiber cleaning kit if necessary to maintain optimal optical performance.
• Insert the transceiver into the SFP+ slot: Align the module with the slot and gently push it in until it seats securely with a light click. Avoid forcing the module; misalignment can cause damage to the connector or the slot.
• Connect fiber and verify link: Attach the LC duplex fiber pair to the transceiver, ensuring correct transmit/receive orientation. Power on the device (if necessary) and observe the SFP+ status LEDs. Use the device’s management interface to verify link establishment and to read DOM metrics such as optical power and temperature.
• Test and monitor: Run basic connectivity tests (ping, throughput, and path verification) and monitor the link for stability. Use DOM data to monitor trends in optical power and temperature to anticipate potential issues before they impact service.
• Documentation and labeling: Document the installation as part of your network inventory. Label cables and ports to reflect the link and ensure quick troubleshooting and future upgrades.

Frequently asked questions

• Q: What is the Cisco SFP-10G-LR SFP+ Transceiver Module used for?
  A: It provides 10 Gigabit Ethernet connectivity over long-range single-mode fiber. It is designed for use in Cisco devices with SFP+ ports and is ideal for inter-building links, campus backbones, and data-center interconnects, delivering high bandwidth over 1310 nm wavelengths with reliable, plug-and-play operation.
• Q: What fiber and connector do I need for this transceiver?
  A: You’ll need single-mode fiber with LC duplex connectors. Ensure you have SMF cabling that matches the link distance and fiber quality. Clean, properly mated LC connectors are essential for maintaining the link budget and achieving the advertised reach.
• Q: How far can this transceiver reach?
  A: The nominal reach is up to 10 kilometers on standard single-mode fiber, but actual distance depends on factors such as fiber quality, connector losses, patch panels, and overall link budget. For longer spans, ensure proper installation practices and consider bidirectional or QoS requirements as part of your design.
• Q: Is this module compatible with non-Cisco devices?
  A: The SFP-10G-LR is optimized for Cisco platforms and is typically supported in Cisco ecosystems. Some non-Cisco devices with SFP+ ports may accept LR modules, but cross-vendor compatibility is not guaranteed. Always verify with the host device vendor’s compatibility guidance before mixing optics across brands.
• Q: Does the transceiver support DOM and how can I use it?
  A: Yes, Digital Optical Monitoring (DOM) is supported. DOM provides real-time data on optical power, temperature, and other critical transceiver parameters. You can access DOM data through the device’s management interface to monitor link health, set thresholds, and trigger alerts when performance deviates from expected norms.