▶ Introduction
In the rapid evolution of high-speed network infrastructures—ranging from data centres to telecom edge and 5G eCPRI front-haul—the demand for compact, high-performance optical modules is more critical than ever. The LINK‑PP LS-SM3125-10I is a powerful SFP28 transceiver engineered precisely for such demanding deployments. With support for up to 25.78 Gb/s data rate over single-mode fibre (SMF) to a 10 km reach, 1310 nm wavelength, duplex LC interface, and industrial-grade temperature range (-40 °C to +85 °C), this module offers the combination of performance, compatibility, and robustness required for modern backbone, aggregation, and front-haul segments.
▶ Key Takeaways
Choose Industrial-Grade SFP28 Transceivers:
Designed for harsh environments, these modules maintain stable performance across extreme temperatures and tough industrial conditions.Reduce Downtime and Maintenance Costs:
Industrial-grade transceivers offer higher durability and reliability, minimizing failures and extending service life—saving money in the long run.Leverage Digital Diagnostics Monitoring (DDM):
Use built-in monitoring features to track temperature, voltage, and signal quality. Early detection of anomalies helps prevent costly network interruptions.Ensure Compatibility and Standards Compliance:
Select transceivers that meet IEEE and MSA standards to guarantee smooth integration with existing switches, routers, and network equipment.Practice Proper Maintenance:
Keep transceivers clean, control ambient temperature, and follow handling best practices to maximize performance and longevity.
▶ Key Specifications
According to the datasheet, the LS-SM3125-10I delivers the following major specifications:
Form factor: SFP28 (small form-factor pluggable 28) with hot-plug capability.
Maximum data rate: Up to 25.78 Gb/s bi-directional.
Wavelength: 1310 nm DFB (distributed feedback) transmitter.
Reach: Up to 10 km over 9/125 µm single-mode fibre (SMF).
Connector: Duplex LC/UPC for SMF.
Operating temperature (industrial grade): -40 °C to +85 °C.
Digital diagnostic monitoring (DDM/DOM): Real-time diagnostics for key optical and electrical parameters.
Power consumption: Typical maximum ~1.2 W under established link conditions.
Standards compliance: SFP28 MSA, IEEE 802.3cc, SFF-8472, SFF-8432, SFF-8431.
Applications: 25GBASE-LR Ethernet links, high-speed data centre uplinks, telecom / mobile front-haul, industrial networking.
Explore the LINK-PP LS-SM3125-10I
Discover how this transceiver can enhance your network's performance and reliability.
▶ Why Choose the LS-SM3125-10I?
Future-Proof Bandwidth & Infrastructure Compatibility
With support for the 25 Gb/s class, the LS-SM3125-10I ensures that network architects and system integrators are equipped for next-generation leaf-spine and high-density aggregation architectures. The 10 km reach over single-mode fibre makes it ideal for campus, data-centre interconnect and metro-edge segments.
Industrial-Grade Reliability & Monitoring
The wide temperature range (-40 °C to +85 °C) and DOM support make this module well-suited for harsh environments, outdoor cabinets, edge-cells, and industrial networks. Reliable diagnostics help maintain performance and reduce downtime.
Standards Compliance & Interoperability
Being compliant with SFP28 MSA and IEEE standards, this module offers multi-vendor interoperability—critical for operators managing heterogeneous network estates.
Efficient Power & Compact Form-Factor
With a power consumption benchmark of ~1.2 W, the LS-SM3125-10I supports high-density port deployment without excessive thermal or power overhead. Its SFP28 footprint enables easy upgrade from 10 Gb/s infrastructures.
▶ 25G Transceiver Typical Deployment Scenarios
Data Centre Leaf-Spine Backbone: Use the LS-SM3125-10I for high-speed interconnects between leaf and spine switches, supporting up to 10 km reach in campus or multi-rack environments.
Metro Aggregation Links: The 10 km SMF capability makes it ideal for regional aggregation, connecting remote PoPs or edge sites into the core network.
5G eCPRI / Front-Haul Applications: With 25 G support and industrial-grade temperature tolerance, the module suits mobile network front-haul links, supporting high-bandwidth real-time traffic and low-latency connectivity.
Smart Industry & Rugged Environments: The wide temperature range and diagnostic features make it fit for industrial automation, smart-factory backbones, and other harsh-environment fibre link deployments.
▶Deployment & Selection Considerations
When integrating the LS-SM3125-10I, take note of the following best-practice guidelines:
Verify host equipment supports SFP28 in 25 Gb/s mode and that the LC duplex SMF links maintain the required optical budget for 10 km.
Ensure fibre plant quality (OS2 SMF), connector cleanliness, and insertion loss within budget to preserve link margin at 10 km.
Plan for environmental conditions: if outside standard data-centre ranges (e.g., harsh outdoor cabinets), leverage the industrial-grade variant.
Utilise the built-in DOM functions to monitor module temperature, bias current, optical output/receive power, and supply voltage for preventive maintenance.
Document upgrade path: if transitioning from 10G to 25G infrastructure, the SFP28 form-factor allows seamless swap-in without changing ports/cages.
▶ Conclusion
The LINK-PP LS-SM3125-10I offers a robust, future-proof optical transceiver solution tailored for high-speed backbone and edge applications. With 25 Gb/s capability over 10km of single-mode fibre, industrial-grade temperature tolerance, built-in monitoring and full standards compliance, it stands out as a compelling choice for organisations seeking high-performance, high-reliability optics in next-generation networks. Whether you're architecting a smart-factory fibre backbone or upgrading a cloud-data-centre interconnect, the LS-SM3125-10I is built to deliver.
▶ FAQ
1. What makes an industrial-grade SFP28 transceiver different from a standard one?
An industrial-grade SFP28 transceiver is built to operate reliably in extreme environments. It can withstand high and low temperatures, dust, and vibration. The LINK-PP LS-SM3125-10I features rugged components and enhanced protection, ensuring long-term stability and durability in harsh industrial conditions.
2. Can I use the LINK-PP LS-SM3125-10I in my existing network?
Yes. The LS-SM3125-10I is fully compatible with existing network infrastructures. It fits standard SFP28 slots and also supports backward compatibility with SFP+ and SFP equipment, allowing seamless upgrades without changing your current hardware.
3. How do I monitor the health of my SFP28 transceiver?
You can monitor the module’s status using Digital Optical Monitoring (DOM). This feature provides real-time data on key parameters such as temperature, voltage, and optical power levels, helping you detect potential issues early and maintain optimal network performance.
4. What warranty and compliance standards does the LS-SM3125-10I meet?
The LS-SM3125-10I comes with a 5–10 year warranty and complies with RoHS, CE, and FCC standards. These certifications ensure the product meets global safety and environmental requirements, giving you confidence in both quality and reliability.
