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SFP 1000Base-SX Multi-mode Fibre Transceiver


  • 850nm Multi-Mode Tranceiver
  • 550m Max Distance, Duplex LC Connector
D-Link’s new line of Gigabit Interface Converters (GBICs) and Small Form-Factor Pluggables (SFPs) transceivers represent an industry leading combination of performance and affordability. D-Link’s new Gigabit transceivers are available in two form-factors: standard (GBIC) or (SFP)/mini-GBIC.

The 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 62.5µm/50µm fiber respectively. The unit 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.

* Third-Party Devices Must Comply With specified Supported Industry-Standard Specifications
Product/Performance Specifications

Optical Receiver Sensitivity    

  • -18dBm (max)

Interface Options

Connector Type    

  • LC

Operational Ranges

Support Voltage    

  • 3.1-3.5V

Max Voltage    
  • 6.0V

Max Current    
  • 300mA

Safety Certifications and Environmental Information

Class 1 Laser

  • EN 60825-1

FDA 21
  • 1040.10 & 1040.11

Physical Specifications

Dimensions (WxDxH)

  • 13.8 x 57.2 x 8.5 mm

Warranty and Support Information


  • 2 Year Warranty

  • Free Technical Support

Ordering Information

Part Number            Description

DEM-310GT            1000BASE-LX SFP Up to 10km
DEM-311GT            1000BASE-SX SFP Up to 220/550m

Warranty Document
Additional Downloads
Version Description Date
Download Rev D
CE Declaration
Show moreShow less
27/9/2006 12:00:00 πμ
Download Rev C
CE Declaration
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27/9/2006 12:00:00 πμ
Download Rev B
CE Declaration
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5/7/2004 12:00:00 πμ

How to get the

D-Link Assist Services

Business Benefits

"When I was first starting the research, I wasn’t hopeful that I was going to find a solution that would meet our needs and actually fit our tight budget. But the D-Link solution did and it provides the performance we were looking for."
John Savage
Director of Advanced Academic Computing for George Mason University
Hardware revisions
Downloads can vary across product revisions.


D-Link Hellas
Καλύμνου 15
11251, Αθήνα

Πωλήσεις: 213 0020352

Υποστήριξη: 213 0020353