D-Link DEM-431XT-DD – 10GBASE-SR Multi-Mode SFP+ Transceiver with DDM, Duplex LC Connector, 850nm Wavelength & 300m OM3 Distance
Overview:
• The D-Link DEM-431XT-DD is a 10GBASE-SR Multi-Mode SFP+ Transceiver designed for compatible switches, network adapters, and devices with SFP+ slots.
• It supports 10Gbps Ethernet over multi-mode fiber, making it suitable for short-distance high-speed links in data centers, enterprise racks, server rooms, and backbone connections.
• The module uses a Duplex LC connector and operates at 850nm wavelength.
• It supports transmission distance up to 300m on OM3 multi-mode fiber, with shorter distances depending on the fiber type and bandwidth rating.
• The DEM-431XT-DD includes Digital Diagnostics Monitoring (DDM) for real-time monitoring of key parameters such as optical power, temperature, and voltage, helping with easier maintenance and early fault detection.
Key Features:
• 10GBASE-SR SFP+ transceiver
• Multi-mode fiber support
• 10Gbps Ethernet speed
• Distance up to 300m on OM3 fiber
• Duplex LC connector
• 850nm wavelength
• Digital Diagnostics Monitoring (DDM)
• Enhanced SFP+ form factor
• Hot-pluggable design
• MSA compliant
• RoHS compliant
• IEEE 802.3ae compliant
• Suitable for data centers and enterprise 10G uplinks
Technical Specifications:
General:
• Brand: D-Link
• Model: DEM-431XT-DD
• Product Type: 10G SFP+ Transceiver
• Standard: IEEE 802.3ae 10GBASE-SR
• Form Factor: SFP+
• Fiber Media Support: Multi-Mode Fiber
• Speed: 10Gbps
• Application: 10G Fiber Uplink, Data Center Connectivity, Enterprise Backbone, Server Room Network Links
Interface and Fiber Specifications:
• Connector: Duplex LC Connector
• Fiber Type: Multi-Mode 50/125µm or 62.5/125µm Fiber
• Wavelength: 850nm
• Single / Bi-Directional: Single Direction
• Fibre Channel Standard: 1200-Mx-SN-I
Distance Capacity:
• 62.5µm, 160MHz-km: Up to 26m
• 62.5µm, OM1 200MHz-km: Up to 33m
• 50µm, 400MHz-km: Up to 66m
• 50µm, OM2 500MHz-km: Up to 82m
• 50µm, OM3 2000MHz-km: Up to 300m
Optical Performance:
• TX Optical Power: Max. -1dBm / Min. -5dBm
• RX Optical Power: Max. 0.5dBm / Min. -11.1dBm
• Sensitivity: -11.1dBm
• Minimum Power Budget: 6.1dB
• Maximum Power Budget: 10.1dB
Power and Reliability:
• Operating Power: 3.3V
• Maximum Input Current: 3.3V / 250mA
• Heat Generated: 2.9kJ/h
• MTBF: 5,948,000 Hours
• DDM: Supported
Physical and Environmental Specifications:
• Dimensions: 14.8 × 56.5 × 11.85mm
• Weight: 22g
• Bail Latch Color: Beige
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C
• Operating Humidity: 0% to 85%
• Storage Humidity: 0% to 85%
Compliance and Safety:
• Hot Pluggable: Supported
• MSA Compliant: Supported
• RoHS Compliant: Supported
• EMI: CE, FCC, VCCI
• Safety: CSA, TUV, CDRH
Applications:
• 10G switch uplinks
• Data center short-distance fiber links
• Server room backbone connections
• Enterprise network aggregation
• Switch-to-switch 10G fiber connectivity
• High-speed storage and backup networks
• Virtualization and high-bandwidth server environments
• Professional network racks using OM3 multi-mode fiber
Connect Gates Recommendation:
• Connect Gates recommends the D-Link DEM-431XT-DD for projects that require 10Gbps short-distance fiber connectivity with Digital Diagnostics Monitoring.
• It is suitable for data centers, server rooms, and enterprise racks where monitoring optical link health is important.
• The DDM support, 850nm wavelength, Duplex LC connector, and 300m OM3 distance make it practical for professional high-speed network infrastructure.
• For proper installation, Connect Gates recommends checking SFP+ compatibility, multi-mode fiber type, LC connector compatibility, required distance, and DDM monitoring support on the switch.