D-Link DEM-311GT 1000Base-SX Multi-Mode Fibre Transceiver

The D-Link DEM-311GT 1000Base-SX Multi-Mode Fibre Transceiver is a high-performance networking module designed to provide reliable and efficient Gigabit Ethernet connections over multi-mode fiber cables. It offers an excellent combination of performance, affordability, and versatility, making it a great choice for expanding your network’s fiber connectivity.

The D-Link DEM-311GT 1000Base-SX Transceiver is a compact and robust SFP module optimized for multi-mode fiber networks. Offering Gigabit Ethernet speeds and a transmission distance of up to 550 meters, this module is ideal for LAN backbones, campus networks, and data center applications in Kenya.

It’s hot-pluggable for easy installation, features EMI-resistant metal housing, and complies with industry standards for Class 1 Laser safety. Whether you’re upgrading infrastructure or expanding an existing fiber backbone, the DEM-311GT ensures stable, fast, and secure connectivity.

Key Features of D-Link DEM-311GT 1000Base-SX Multi-Mode Fibre Transceiver

• Gigabit Speed: The DEM-311GT supports full-duplex transmission at Gigabit Ethernet speeds, providing a reliable solution for high-speed data transfer. It is optimized for multi-mode fiber optic cables, delivering robust performance for distances of up to 220 meters on 62.5µm fiber and up to 550 meters on 50µm fiber.
• 850nm Wavelength: Operates at an 850nm wavelength, making it ideal for short to medium-range data transmissions in local area networks (LANs) and data centers.
• Durable Metal Housing: The transceiver features a metal housing that reduces electromagnetic interference (EMI) and ensures durability, maintaining signal integrity and minimizing signal loss.
• Hot-Pluggable: The DEM-311GT is designed for flexibility and convenience, with hot-pluggable functionality that allows for quick and easy installation or replacement without powering down the network device.
• Industry Standard Compliance: Compatible with a wide range of third-party networking devices, as long as they comply with the supported industry-standard specifications. It is also certified as a Class 1 Laser product, meeting the EN 60825-1 and FDA 21 1040.10 & 1040.11 safety standards.

Specifications:

• Optical Receiver Sensitivity: -18dBm (max)
• Connector Type: Duplex LC Connector
• Support Voltage: 3.1-3.5V
• Max Voltage: 6.0V
• Max Current: 300mA
• Wavelength: 850nm
• Max Distance: 220 meters on 62.5µm fiber, 550 meters on 50µm fiber
• Physical Dimensions: 13.8 x 57.2 x 8.5 mm (W x D x H)
• Warranty: 1-Year Warranty
• Support: Free Technical Support

Certifications:

• Class 1 Laser Safety: EN 60825-1
• FDA Compliance: FDA 21 1040.10 & 1040.11

Ordering Information:

• Part Number: DEM-311GT
• Description: 1000BASE-SX SFP Transceiver supporting up to 220 meters on 62.5µm fiber and up to 550 meters on 50µm fiber.

🏢 Use Cases in Kenya

• Linking servers in data centers and cloud networks

• Connecting buildings via short-distance campus fiber

• Expanding fiber backbones in office blocks or retail hubs

• Supporting Gigabit switches and routers in ISPs and SMEs

🌐 External Link

🔗 View on D-Link Global

FAQs – D-Link DEM-311GT 1000Base-SX Transceiver

Q: Can this SFP work with switches from other brands?
Yes. It follows standard SFP rules and works with most switches that support SFP modules.

Q: What type of fiber does it support?
It supports multi-mode fiber. It can reach up to 220 metres with 62.5µm fiber and up to 550 metres with 50µm fiber.

Q: Can I install or remove it while the device is on?
Yes. It supports hot-swapping, so you do not need to switch off the router or switch.

Q: Is it safe to use?
Yes. It is Class 1 Laser certified and meets EN and FDA safety standards.

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