Dlink DEM-311GT 1-port SFP SX MM Fiber Transceiver
The D-Link DEM-311GT is a high-performance 1 Gbps Small Form-Factor Pluggable (SFP) transceiver designed for short-distance multimode fiber (MMF) applications. Operating at a wavelength of 850 nm, it provides reliable Gigabit Ethernet connectivity up to 550 meters, making it ideal for enterprise LANs, campus networks, and data center interconnects.
This hot-pluggable optical transceiver is compliant with IEEE 802.3z Gigabit Ethernet and the SFP Multi-Source Agreement (MSA), ensuring interoperability with a wide range of compatible switches, routers, and network interface cards. With Digital Optical Monitoring (DOM) and low 0.8W power consumption, the DEM-311GT offers both high efficiency and strong diagnostic capabilities for seamless, stable network operation.
Key Features
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Gigabit Ethernet over Multimode Fiber
Supports 1.25 Gbps data rate up to 550 m via 850 nm wavelength on MMF. -
Hot-Pluggable SFP Interface
Easily install or replace modules without interrupting network operations. -
Digital Optical Monitoring (DOM)
Enables real-time monitoring of temperature, optical power, and voltage for better control and diagnostics. -
IEEE 802.3z & MSA Compliant
Ensures full compatibility with all standard Gigabit Ethernet and MSA-compliant equipment. -
Ultra-Low Power Consumption
Consumes less than 0.8W, reducing power overhead in high-density environments. -
FS BOX Real-Time Configuration Support
Offers advanced flexibility for integration and management in complex network setups. -
RoHS & FDA Class 1 Laser Safety Compliant
Environmentally safe and conforms to global optical safety standards.
Specifications
| Feature | Specification |
|---|---|
| Model | D-Link DEM-311GT |
| Type | Gigabit SX SFP Transceiver |
| Wavelength | 850 nm |
| Fiber Type | Multi-Mode Fiber (MMF) |
| Connector Type | Duplex LC |
| Maximum Distance | 550 m |
| Data Rate | 1.25 Gbps |
| Standard Compliance | IEEE 802.3z 1000BASE-SX, MSA |
| DDM/DOM Support | Yes |
| Hot-Pluggable | Yes |
| Power Consumption | 0.8 W (Max) |
| Operating Voltage | 3.3V DC |
| Operating Temperature | 0 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Weight | 22.6 g |
| Laser Safety | Class 1 FDA Compliant |
| Certifications | RoHS, CE, FCC |
| Country of Origin | China |
What’s in the Box
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1 × D-Link DEM-311GT 1-Port SX MM SFP Transceiver
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User Documentation / Quick Start Guide
Why Choose D-Link DEM-311GT
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Proven D-Link reliability for enterprise and ISP applications.
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Plug-and-play deployment for Gigabit optical networks.
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DOM feature enables predictive maintenance and diagnostics.
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Cost-effective solution for short-range multimode fiber links.
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Compatible with major switch and NIC brands supporting MSA.
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