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D-Link DEM-431XT-DD Overview
The D-Link DEM-431XT-DD is a 10Gbps SFP+ short-range fiber transceiver designed for high-speed network links over multimode fiber.
It is commonly used in data centers, enterprise networks, and backbone uplinks where high bandwidth and low latency connections are required between switches or servers.
This module supports 10GBASE-SR (Short Range) fiber transmission using 850nm wavelength optics.
D-Link DEM-431XT-DD Price in Kenya
| Product | Price |
|---|---|
| D-Link DEM-431XT-DD 10GBase-SR SFP+ Transceiver (DDM, 80/300m) | KSh 7,000 |
D-Link DEM-431XT-DD Specifications
| Feature | Details |
|---|---|
| Product Type | SFP+ Fiber Transceiver |
| Standard | 10GBASE-SR (IEEE 802.3ae) |
| Data Rate | 10Gbps |
| Fiber Type | Multimode fiber (MMF) |
| Wavelength | 850nm |
| Distance Support | 80m–300m (depending on OM1/OM2/OM3 fiber) |
| Connector Type | LC Duplex |
| Monitoring | DDM (Digital Diagnostics Monitoring) |
| Installation | Hot-swappable SFP+ module |
| Power | 3.3V via SFP+ slot |
| Application | Data centers, switch uplinks, backbone networks |
D-Link DEM-431XT-DD Installation & Compatibility
The DEM-431XT-DD is inserted into an SFP+ slot on compatible network switches or servers.
Once installed, it enables high-speed optical communication over multimode fiber cabling, making it ideal for short-range backbone connections inside buildings or server rooms.
It is fully compatible with standard LC duplex multimode fiber patch cords.
D-Link DEM-431XT-DD Performance & Stability
This module delivers stable 10Gbps transmission over multimode fiber using 850nm optical technology.
The DDM feature allows real-time monitoring of parameters such as temperature, voltage, and optical power, helping maintain network reliability in critical environments.
D-Link DEM-431XT-DD Compatibility & Features
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Compatible with SFP+ 10G switch ports
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Works with multimode LC fiber cabling
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Supports 10GBASE-SR standard
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Hot-swappable for easy maintenance
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Supports Digital Optical Monitoring (DDM)
D-Link DEM-431XT-DD Use Cases & Applications
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Data center switch interconnects
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Server-to-switch uplinks
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Enterprise backbone networks
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Campus building fiber links
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High-speed LAN aggregation networks
D-Link DEM-431XT-DD Pros and Cons
| Pros | Cons |
|---|---|
| High-speed 10Gbps performance | Requires fiber infrastructure |
| Supports up to 300m distance | Not compatible with copper Ethernet |
| DDM monitoring support | Needs SFP+ compatible devices |
| Low latency connection | Higher cost than copper modules |
| Hot-swappable design | Limited to multimode fiber only |
D-Link DEM-431XT-DD FAQs
Does it support copper cables?
No, it only works with multimode fiber optic cables.
What is the maximum distance?
Up to 300 meters depending on fiber type.
Is it plug and play?
Yes, when inserted into a compatible SFP+ port.
What is DDM used for?
It monitors module health like temperature, power, and signal strength.
D-Link DEM-431XT-DD Conclusion
The D-Link DEM-431XT-DD 10GBase-SR SFP+ Transceiver is a high-performance fiber networking module designed for short-range 10Gbps connections. At KSh 7,000 in Kenya, it is ideal for enterprise, data center, and backbone network installations requiring fast and reliable multimode fiber connectivity.
