10/100 to 100BaseFX (SC) Multimode Media Converter


  • Product Status: Live

The DMC-300SC by D-Link® is a media converter designed to connect 10BASE-T/100BASE-TX copper to 100Base-FX fiber media and vice versa. Based on the IEEE 802.3 and 802.3u standards, the DMC-300SC is designed for use with multimode fiber cable utilising the SC-Type connector. The DMC-300SC supports shortwave (SX) laser specifications at a full wire-speed forwarding rate. Other features of this module include the ability to be used as a standalone device (no chassis required), Auto MDI/MDI-X, Auto negotiation of speeds and duplex modes on twisted-pair port, and front panel status LEDs. The DMC-300SC will transmit at extended fiber optic distances utilising multimode fiber up to 2 kilometers.

Actual product appearance may differ from the image displayed on this page 

Technical Specifications

LED Indicators
  • Power
  • 100Mbps Speed (for twisted-pair port)
  • Full Duplex/Collision (for twisted-pair and fiber ports)
  • LINK/ACT (for twisted-pair port)

  • 120 x 88 x 25 mm

Power Input
  • 7.5V 1.5A
  • Through external AC power adapter

Operation Temperature
  • 0° -  40° C

Storage Temperature
  • -25° -  70° C

  • 10  ~  90% non-condensing 

Emission (EMI)
  • VCCI Class B
  • CE Class B
  • C-Tick


  • What do the lights indicate on the media converter modules? Read Answer
  • Can I install this media converter by itself or do I need a chassis? Read Answer
  • What type of cable should I use on the copper port? Read Answer
  • I lost the power supply for my media converter. How can I get a new one? Read Answer
Version Date Type File Size
Datasheet v2 (English) - PDF 0.23mb Download
Datasheet (English) - PDF 0.23mb Download
Version Description Date Type File Size
Manual v1.0 (English) Manual v1.0 (English) - PDF 0.21mb Download
Version Description Date Type File Size
1.0 Quick Installation Guide (English) - PDF 0.61mb Download
Version Description Date
CE doc UKCA 1.90 RevD8 CE Declaration 11/05/2022 Download
CE doc UKCA 1.70 RevD8 CE Declaration 17/10/2021 Download
CE doc UKCA 1.70 RevD7 CE Declaration 12/08/2021 Download
CE doc 1.60 RevD8 CE Declaration 31/10/2020 Download
CE doc 1.50 RevD8 CE Declaration 27/05/2020 Download
CE doc 1.40 RevD8 CE Declaration 26/12/2019 Download
CE doc 1.20 Revision D8 CE Declaration 26/12/2018 Download
DEU_DoC_D5_RevA CE Declaration 04/09/2009 Download
DEU_DoC_A1_RevA CE Declaration A1 17/06/2005 Download