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DEM-432XT
D-Link 10 Gigabit SFP+ optical module, single mode, 10 km, w...
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DEM-432XT is a QSFP+ transceiver module engineered for high-speed optical communications, supporting a 100G data rate via LC connectors. It delivers long-range transmission over single-mode fiber with a maximum reach of 80 km and supports essential protocols such as Ethernet and Fibre Channel, making it ideal for data centers, enterprise networks, and telecom applications.
DEM-432XT features a compact form factor with precise dimensions of approximately 0.33 inches in height, 0.78 inches in width, and 1.0 inches in depth, ensuring it fits seamlessly into high-density optical setups. With a power consumption of 12.5W and robust compatibility with industry-leading vendors including Cisco, Juniper, and Huawei, this high-speed optical transceiver is optimized for reliable performance in demanding networking environments.
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In a multi-site enterprise requiring a resilient 10 km link between primary and backup data centers, the DEM-432XT-D-Link 10 Gigabit SFP+ optical module (single mode, 1310 nm, LC connector) delivers low-latency 10 Gbps throughput. Outcome: real-time database replication and fast failover, ensuring uninterrupted business continuity and simplified network management.
A metropolitan ISP extends its high-capacity backbone 8–10 km to suburban aggregation nodes using the DEM-432XT-D-Link 10 Gigabit SFP+ optical module (single mode, 1310 nm, LC connector). Outcome: scalable subscriber bandwidth growth, reduced packet loss, and consistent service-level agreements across the network edge.
A university campus replaces legacy 1 Gbps links with the DEM-432XT-D-Link 10 Gigabit SFP+ optical module (single mode, 1310 nm, LC connector) to span 10 km between academic and research buildings. Outcome: accelerated data transfers for high-performance computing, improved VoIP/video conferencing quality, and future-proofed network infrastructure.
To get the detailed certification, please go to the Compliance Center.
| DEM-432XT |  DEM-431XT |  DFE-852 |  DGE-891/B |  DGE-871 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | XFP | QSFP | QSFP | SFP+ |
| Data Rate | 100G | 10G | 100G | 100G | 10G |
| Connector Type | LC | LC | LC | MPO | LC |
| Wavelength | 1310nm | 1310 nm | 850nm | 1310nm | 850 nm |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 80 km | 80 km | 100 meters | 80 km | 300 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet / Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 12.5W | 3.5W | 5W | 7.0W | 3.0 W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DEM-432XT High-Speed Optical Transceiver | DEM-431XT 10G XFP Optical Transceiver | DFE-852 QSFP Transceiver Module | DGE-891/B QSFP High-Speed Transceiver | DGE-871 SFP+ Short-Range Transceiver |
| Height | 0.33 inches | 0.6 inches | 0.5 inches | 0.95 inches | 0.13 inches |
| Width | 0.78 inches | 1.2 inches | 1.0 inches | 0.90 inches | 0.55 inches |
| Depth | 1.0 inches | 1.8 inches | 1.0 inches | 1.50 inches | 1.0 inches |
| Weight | 0.25 lbs | 0.15 lbs | 0.05 lbs | 0.20 lbs | 0.1 lbs |
Single mode SFP plus module linked our sites reliably at 10km. Stable optics, clean installs, and consistent throughput in production.
Works perfectly with our D-Link switches. No link drops, and diagnostics read correctly every time.
Solid 10G transceiver for long runs. Performance has been dependable since day one.
Easy plug and play module. It brought our fiber uplinks online immediately with stable signal levels.
Reliable optics for enterprise connections. No compatibility issues and the link stays steady.
The DEM-432XT supports a maximum data rate of 10 Gbps in full-duplex mode, ensuring high-speed connectivity for demanding network applications.
The DEM-432XT is designed for single-mode fiber (SMF) and supports links up to 10 km over standard SMF.
This optical transceiver operates at a wavelength of 1310 nm, providing optimal performance over single-mode fiber.
The module uses an LC duplex connector, compliant with industry standards for secure, low-loss fiber connections.
Yes, the DEM-432XT is hot-swappable, allowing you to install or replace the module without powering down your network switch or router.
The DEM-432XT is compatible with all D-Link SFP+ slots supporting 10 GbE, including DXS-1210, DXS-3600 and DGS--1510 series switches.
Yes, the DEM-432XT is third-party compatible with any SFP+ port that supports 1310 nm single-mode optics and 10 GbE.
The DEM-432XT supports a maximum link distance of 10 km over single-mode fiber at 1310 nm wavelength.
Yes, the DEM-432XT offers Digital Diagnostics Monitoring (DDM) for real-time monitoring of optical power, temperature and voltage.
The DEM-432XT is rated for an operating temperature range of 0 °C to 70 °C, suitable for standard data-center environments.
To install, power down the port (if required), align the LC connector, insert the module into the SFP+ slot until it clicks, then power up the device.
The DEM-432XT is compliant with IEEE 802.3ae (10GBASE-LR) standards and carries CE, FCC and RoHS certifications.
Use your switch’s management interface to check DDM readings and link status LEDs; a steady green LED indicates a healthy 10 GbE connection.
The DEM-432XT consumes less than 1 W of power, making it energy-efficient for high-performance networks.
Yes, it supports optical signal fail (LOS) and digital LOS alarms to notify you of any link degradation or failure.
Yes, standard duplex LC–LC single-mode patch cables are fully compatible with the DEM-432XT for up to 10 km links.
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