Product Overview
The TP-Link TL-SM5110-LR is a high-performance 10G SFP+ transceiver engineered for long-distance fiber networking using single-mode fiber. Unlike short-range (SR) modules, this model is designed to deliver stable, high-speed connections over much greater distances, making it ideal for campus networks, enterprise infrastructure, ISPs, and inter-building links.
Long-Range 10Gbps Fiber Connectivity
Built on the 10GBASE-LR standard, this module delivers 10Gbps data transmission over single-mode fiber, ensuring reliable, high-bandwidth performance for demanding network environments.
It operates at a 1310nm wavelength and supports distances of up to 10 km (approximately 6.2 miles) using 9/125µm fiber cables, making it ideal for long-range deployments.
This makes it perfect for:
Linking buildings across a campus
Connecting data centers
Backbone network infrastructure
Single-Mode Fiber – Built for Distance & Stability
Unlike multimode modules, the TL-SM5110-LR uses single-mode fiber, which offers:
Lower signal loss over long distances
Higher reliability for enterprise networks
Better performance for long-haul connections
This ensures consistent performance even in large-scale deployments.
Plug-and-Play with Hot-Swappable Design
The module is hot-swappable, meaning you can install or remove it without shutting down your switch or router. This provides:
Minimal downtime
Easy upgrades and maintenance
Flexible deployment in live networks
It also follows the SFP+ Multi-Source Agreement (MSA), ensuring compatibility with a wide range of networking devices.
Digital Diagnostic Monitoring (DDM)
The TL-SM5110-LR includes DDM support, allowing real-time monitoring of:
Temperature
Voltage
This helps network administrators maintain system health and quickly troubleshoot potential issues.
Reliable Enterprise-Grade Build
Designed for professional environments, the module features:
Durable compact SFP+ form factor
Stable full-duplex communication
This ensures consistent performance in server rooms, network cabinets, and enterprise deployments.
Wide Compatibility Across Networks
The TL-SM5110-LR integrates seamlessly with:
TP-Link Omada switches
Enterprise SFP+ switches and routers
Media converters and network appliances
It’s especially suitable for users building 10G fiber backbones or upgrading existing infrastructure.
Key Specifications
Type: 10GBase-LR SFP+ Transceiver
Fiber Type: Single-mode (9/125µm)
Wavelength: 1310 nm
Data Rate: 10Gbps
Max Distance: Up to 10 km (6.2 miles)
Connector: LC Duplex
Standards: IEEE 802.3ae, SFP+ MSA
Features: Hot-swappable, Plug-and-play, DDM support
Operating Mode: Full duplex
Operating Temperature: 0°C to 70°C
Power Supply: 3.3V
Use Cases: Campus networks, ISP links, enterprise backbones, inter-building connectivity
The TP-Link TL-SM5110-LR is the go-to choice when you need high-speed 10G networking over long distances. Compared to SR modules, it offers significantly extended reach and better stability, making it ideal for professional and enterprise environments.





