StarTech.com MSA Uncoded SFP Module - 1000BASE-LH, 1GbE SMF, 40km

Experience dependable 1 Gigabit Ethernet over fiber with the StarTech.com MSA Uncoded SFP Module. This MSA-compliant fiber SFP transceiver is designed, programmed, and tested to work with 1000BASE-LH-compatible switches and routers, delivering robust links across long distances. With support for up to 40 kilometers on single-mode fiber, it provides a scalable solution for campus networks, data centers, and service provider backbones. The SFP1000LHST combines easy plug-and-play integration, Digital Diagnostics Monitoring (DDM), and broad compatibility, ensuring network uptime and predictable performance. Whether you are upgrading an existing link or deploying a new fiber trunk, this SFP module makes it simple to extend your network reach without major infrastructure changes.

• MSA-compliant SFP transceiver: The StarTech SFP1000LHST is an uncoded 1000BASE-LH module designed, programmed, and tested to operate with 1000BASE-LH switches and routers, ensuring plug-and-play compatibility across a wide range of devices.
• Long-range fiber reach: Supports up to 40 km (24.8 miles) over single-mode fiber, enabling long-haul, campus-backbone, and inter-building links without the need for repeaters or additional amplification.
• 1 GbE over SMF: Delivers dependable 1 Gigabit Ethernet connectivity over single-mode fiber with solid performance characteristics suited for core, distribution, and uplink connections in enterprise networks.
• Digital Diagnostics Monitoring (DDM): Includes built‑in DDM support for real-time visibility into important operating parameters such as optical power, temperature, and voltage, empowering proactive maintenance and faster fault isolation.
• Compact, widely compatible and easy to install: A standard, hot-pluggable SFP module designed for seamless integration into compliant switches and routers, simplifying upgrades and new deployments while maximizing uptime.

Technical Details of StarTech.com MSA Uncoded SFP Module - 1000BASE-LH

• Product type: SFP transceiver module (MSA uncoded) offering 1000BASE-LH performance
• Model: SFP1000LHST
• Interface: 1 Gigabit Ethernet over fiber (SFP)
• Fiber type: Single-mode fiber (SMF)
• Distance support: Up to 40 km
• Diagnostics: Digital Diagnostics Monitoring (DDM)
• Compliance: MSA-compliant for broad compatibility across 1000BASE-LH devices
• Brand: StarTech.com
• Compatibility: Works with 1000BASE-LH capable switches and routers supporting SFP modules

how to install StarTech.com MSA Uncoded SFP Module

Installing the StarTech.com MSA Uncoded SFP Module is straightforward and designed for minimal downtime. Before you begin, refer to your device’s service policy on hot-swapping and power sequencing. If your network equipment supports hot-plugging SFP modules, you may insert the module with the system powered on; otherwise, follow standard shutdown procedures to protect the device. Remove the protective dust cap from the SFP slot only when you are ready to install, and keep it handy for future maintenance when the module is not seated. Align the SFP1000LHST with the slot, insert gently and evenly until the module is securely seated and the latching mechanism engages. Ensure the fiber end of your SMF patch cable is clean, free of dust, and connected to the correct optical port on the module. After installation, re-check the device’s status indicators or management interface to confirm the link has come up. Use a fiber test or optical meters if needed to verify proper transmission characteristics. Finally, monitor the link health through your network management system; take advantage of the included Digital Diagnostics Monitoring (DDM) Readouts to verify optical power levels, temperature, and supply voltage are within expected ranges for stable operation. If you are replacing an existing transceiver, follow proper removal procedures for both the old module and the fiber connectors to avoid contamination and potential damage to the fiber ends. Keeping the dust caps on when modules are not connected helps maintain performance and longevity of your fiber network.

Frequently asked questions

• What is 1000BASE-LH? 1000BASE-LH is a Gigabit Ethernet standard designed for longer reach over single-mode fiber, enabling links across campuses or between buildings without repeaters, typically up to several tens of kilometers depending on the fiber and link budget.
• Is this SFP module compatible with all devices? The SFP1000LHST is designed to be broadly compatible as an MSA-compliant module intended for 1000BASE-LH capable devices. However, compatibility can vary by vendor and device model. Always verify with your specific switch or router’s compatibility matrix before deployment.
• Does this module support Digital Diagnostics Monitoring (DDM)? Yes. The module includes DDM, providing real-time data on optical power, temperature, voltage, and other critical parameters to help you monitor link health.
• What is the maximum transmission distance? The module supports up to 40 km over single-mode fiber, making it suitable for long-haul links between buildings, campuses, or data-center clusters.
• How do I install or replace this SFP module? Install by inserting the module into a compatible SFP slot following your device’s hot-swap guidelines. Clean and connect the single-mode fiber patch cable, confirm link status on the device management interface, and use DDM readings to verify stable operation. When removing, power down if required by your device and handle the fiber connectors carefully to avoid contamination.