D-Link Gigabit Ethernet 1000BASE-LX SFP Optical Transceiver

Overview

The D-Link DEM-310GT is a Gigabit Ethernet 1000BASE-LX SFP Optical Transceiver designed to extend network connectivity over long distances using single-mode fiber. It supports full-duplex data transfer at Gigabit speeds and operates on a 1310nm wavelength, enabling reliable transmission up to 10 kilometers. This compact module fits into standard SFP slots, making it easy to upgrade or expand your network infrastructure without downtime.

Its metal housing protects the device and minimizes electromagnetic interference, ensuring stable performance in busy network environments. Compliant with IEEE 802.3z standards, it integrates seamlessly with a wide range of switches and routers, making it a flexible choice for enterprise and campus networks.

Key features

• 1000BASE-LX port supports high-speed Gigabit Ethernet connections over long distances
• Duplex LC connector designed for single-mode fiber to maintain signal integrity
• Full-duplex operation enables efficient and simultaneous data transmission and reception
• Hot-pluggable SFP form factor allows quick installation or replacement without network interruption
• Durable metal housing reduces electromagnetic interference for consistent network stability
• TTL signal detect feature provides reliable link monitoring to ensure connection health
• Operates on a low 3.3V power supply, contributing to energy-efficient network setups

Key specs

• Standard: IEEE 802.3z 1000BASE-LX
• Data rate: 1 Gbps full duplex
• Wavelength: 1310 nm
• Maximum transmission distance: up to 10 kilometers on single-mode fiber
• Connector type: Duplex LC
• Power supply: 3.3 V
• Form factor: Small form-factor pluggable (SFP)

Connectivity and compatibility

This transceiver is compatible with any networking equipment that supports standard SFP modules and IEEE 802.3z 1000BASE-LX interfaces. It fits into SFP slots on switches, routers, and media converters, making it a versatile option for expanding or upgrading existing fiber optic networks. The duplex LC connector ensures easy integration with single-mode fiber cabling commonly used in enterprise and campus environments.

Ideal uses and environments

The DEM-310GT is well suited for IT professionals managing medium to large networks who require reliable long-distance fiber connections. It works well in campus networks, data center interconnects, and enterprise environments where maintaining high-speed, stable links over several kilometers is critical. Its hot-pluggable design and robust build make it a practical choice for network upgrades and expansions without disrupting ongoing operations.