D-Link DEM-311GT


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D-Link DEM-311GT - 1000BASE-SX Mini Gigabit Interface Converter, Gigabit Speeds on Multimode Fiber, Hot Pluggable, Multi Vendor/Device Support
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The D-Link DEM-311GT is a high performance 850nm multimode SFP/mini-GBIC transceiver. Supporting full duplex, Gigabit speeds on multimode fiber for distances of up to 220m/550m on 62.5m/50m fiber respectively. The DEM-311GT features a metal housing to reduce EMI and to increase durability. The DEM-311GT is hot pluggable and is backed by a standard 2-year product warranty and free technical support.

General Information

  • Product Type: GBIC
  • Brand Name: D-Link
  • Manufacturer: D-Link Systems, Inc
  • Product Name: 1000Base GBIC

Technical Information

  • Application/Usage: Data Networking

Physical Characteristics

  • Dimensions: 2.3" Height x 1.2" Width x 0.5" Depth


  • Interfaces/Ports: 2 x 1000Base-SX LAN
  • Interfaces/Ports Details: 1 x LC 1000Base-SX

Media & Performance

  • Data Transfer Rate:
    • 1.25 Gbps Gigabit Ethernet Full-duplex
    • 1.06 Gbps Fibre Channel Full-duplex
  • Connectivity Media: Multi-mode Optical Fiber 1000Base-SX
  • Distance Supported:
    • 721.78 ft 62.5/125 µm Optical Fiber
    • 1804.46 ft 50/125 µm Optical Fiber


  • Certifications & Standards:
    • IEEE 802.3z<br><br> Class 1 Laser:
    • EN 60825-1<br><br> FDA 21:
    • 1040.10 &amp; 1040.11

Environmental Conditions

  • Humidity: 10% to 85% Operating
  • Temperature:
    • 40°F (4.4°C) to 185°F (85°C) Storage
    • 32°F (0°C) to 158°F (70°C) Operating


  • Limited Warranty: 3 Year
  • Additional Warranty Information: Subject to the terms and conditions set forth herein, D-Link Systems, Inc. ("D-Link") provides this Limited warranty for its product only to the person or entity that originally purchased the product from: - D-Link or its authorized reseller or distributor and - Products purchased and delivered within the fifty states of the United States, the District of Columbia, U.S. Possessions or Protectorates, U.S. Military Installations, addresses with an APO or FPO.

Management & Protocols

  • Protocols: Gigabit Ethernet

Full specifications (PDF)


Customer Review Summary

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The D-Link DEM-311GT is also known as DEM-311GT or DEM311GT .