D-Link DEM-312GT2 – 1000BASE-SX Multi-Mode 2km Gigabit SFP Transceiver with Duplex LC Connector, 1Gbps Speed & Hot-Pluggable Design
Overview:
• The D-Link DEM-312GT2 is a 1000BASE-SX Multi-Mode Gigabit SFP Transceiver designed for compatible switches and network devices with SFP slots.
• It supports Gigabit Ethernet optical communication over multi-mode fiber with transmission distance up to 2km depending on the fiber cable type.
• The transceiver uses a Duplex LC connector and operates at 1310nm wavelength.
• It supports 1Gbps speed, making it suitable for Gigabit fiber uplinks, switch cascading, backbone connections, and medium-distance fiber links.
• The DEM-312GT2 is hot-pluggable, MSA compliant, and RoHS compliant, allowing easy installation and replacement without powering down the compatible device.
Key Features:
• 1000BASE-SX Gigabit SFP transceiver
• Multi-mode fiber support
• Distance up to 2km
• Duplex LC connector
• 1Gbps speed
• 1310nm wavelength
• IEEE 802.3z 1000BASE-SX compliant
• Hot-pluggable design
• Small Form-Factor Pluggable package
• MSA compliant
• RoHS compliant
• Metal enclosure for lower EMI
• Suitable for Gigabit fiber uplinks and switch cascading
Technical Specifications:
General:
• Brand: D-Link
• Model: DEM-312GT2
• Product Type: Gigabit SFP Transceiver
• Transceiver Type: SFP
• Fiber Media Support: Multi-Mode
• Network Standard: IEEE 802.3z 1000BASE-SX
• Speed: 1Gbps
• Distance: Up to 2km
• Application: Gigabit Fiber Uplink, Switch Cascading, Backbone Connection, Medium-Distance Fiber Link
Interface and Fiber Specifications:
• Connector: Duplex LC Connector
• Direction Type: Single-Direction
• Wavelength: 1310nm
• Cable Type: Multi-Mode 50/125µm or 62.5/125µm Fiber
• Distance with 62.5/125µm Fiber: Up to 1km
• Distance with 50/125µm Fiber: Up to 2km
Power and Compliance:
• Power Supply: 3.3V
• Hot Pluggable: Supported
• MSA Compliant: Supported
• RoHS Compliant: Supported
• Laser Eye Safety: FDA, CDRH, TUV Certified
Applications:
• Gigabit fiber uplink
• Multi-mode fiber backbone connection
• Switch-to-switch fiber connectivity
• Gigabit switch cascading
• High-speed I/O file transfer
• Campus and enterprise network links
• Data storage and channel extender applications
• Network expansion using compatible SFP ports
• Medium-distance fiber connectivity up to 2km
Connect Gates Recommendation:
• Connect Gates recommends the D-Link DEM-312GT2 for projects that require 1000BASE-SX multi-mode Gigabit fiber connectivity up to 2km.
• It is suitable for Gigabit uplinks and backbone links where a reliable Duplex LC multi-mode SFP module is required.
• The hot-pluggable design, MSA compliance, 1Gbps speed, and 2km distance support make it practical for office, campus, and professional network infrastructure projects.
• For proper installation, Connect Gates recommends checking switch SFP compatibility, multi-mode fiber type, LC connector compatibility, required distance, and network speed before deployment.