D-Link DEM-431XT-DD 10GBase-SR SFP+ Transceiver

The D-Link DEM-431XT-DD is a 10GBASE-SR SFP+ optical transceiver engineered for high-speed, short-range fiber connectivity across enterprise and data center networks. Featuring an 850nm multi-mode laser, the module supports data transmission up to 300 meters over OM3 multimode fiber, making it ideal for backbone, aggregation, and switch interconnect applications.

Designed for maximum interoperability and reliability, the DEM-431XT-DD complies with IEEE 802.3ae 10GBASE-SR standards and the SFP+ Multi-Source Agreement (MSA), ensuring seamless integration with a wide range of compatible switches, routers, and servers. It also supports Digital Diagnostics Monitoring (DDM) for real-time parameter tracking such as temperature, optical power, and voltage, enhancing network stability and predictive maintenance.

Key Features

• 10GBASE-SR IEEE Compliance
  Delivers full 10-Gigabit Ethernet performance for short-range fiber links up to 300 m.

• High-Speed Optical Interface
  Operates at 850 nm wavelength on OM3 multimode fiber with duplex LC connectors.

• Digital Diagnostics Monitoring (DDM)
  Provides real-time status monitoring of optical transceiver performance parameters.

• Hot-Swappable SFP+ Design
  Enables module replacement without network downtime, simplifying maintenance.

• MSA & RoHS Compliant
  Interoperable across multi-vendor equipment and fully environmentally compliant.

• Enhanced Reliability
  Built with high-quality optical components ensuring stable transmission and minimal signal loss.

Specifications

What’s in the Box

• 1 × D-Link DEM-431XT-DD 10GBASE-SR SFP+ Transceiver

• User Documentation / Quick Installation Guide

Why Choose D-Link DEM-431XT-DD

• Upgrade existing switches to 10G optical connectivity effortlessly.

• Proven compatibility with D-Link and third-party networking gear.

• Compact, hot-pluggable design ensures flexible and reliable deployment.

• Ideal for data centers, campus LANs, and enterprise backbones.

• Monitors link health through integrated DDM for proactive maintenance.