D-Link DMC-300MSC 2-Port 100Base-TX to 100Base-FX Multi-Mode Fiber Media Converter (DMC-300MSC)

The D-Link DMC-300MSC is a reliable 2-port media converter designed to connect copper-based Ethernet networks with multi-mode fiber infrastructure. It enables seamless conversion between 10/100Base-TX Ethernet and 100Base-FX fiber, allowing network extensions over longer distances than traditional copper cabling. With support for Fast Ethernet speeds, auto-negotiation, and stable store-and-forward transmission, the DMC-300MSC is well suited for enterprise networks, campus deployments, and industrial environments requiring dependable copper-to-fiber connectivity.

Product Features

Copper to Fiber Media Conversion

Converts 10/100 Mbps copper Ethernet signals to 100 Mbps multi-mode fiber, enabling long-distance network extension up to 2 km over fiber optic cabling.

Fast Ethernet Performance

Supports Ethernet and Fast Ethernet transmission rates with full-duplex and half-duplex modes to ensure smooth and efficient data communication.

Auto-MDI/MDIX Support

Automatically detects straight-through or crossover Ethernet cables, simplifying installation and reducing configuration effort.

Store-and-Forward Switching

Uses store-and-forward transmission mode to verify data integrity before forwarding, ensuring reliable and error-free data delivery.

Network Status Monitoring

Integrated diagnostic LED indicators provide real-time status information for power, link activity, speed, and duplex or collision detection.

Compact and Easy Installation

Powered by a 5 V external power adapter, the compact design allows easy deployment in network cabinets, offices, and remote locations.

Product Specifications

• Ports:1 x 10/100BASE-TX RJ-45 port, 1 x 100BASE-FX SC fiber port
• Standards Compliance:IEEE 802.3 for 10BASE-T, IEEE 802.3u for 100BASE-TX and 100BASE-FX
• Data Transfer Rate:Ethernet: 10 Mbps half-duplex, 20 Mbps full-duplex, Fast Ethernet: 100 Mbps half-duplex, 200 Mbps full-duplex
• Duplex Mode: Half-duplex and full-duplex
• Media Types Supported:
  • 10BASE-T: Cat 3, Cat 4, Cat 5, Cat 5e UTP up to 100 m
  • 10/100BASE-TX: Cat 5, Cat 5e UTP up to 100 m
  • 100BASE-FX: Multi-mode fiber optic cable with SC connector up to 2 km
• Media Exchange Interface: Auto-MDI/MDIX
• Transmission Mode: Store-and-forward
• Forwarding Rate: Full wire-speed
• Diagnostic LEDs: Power, Speed, Full-duplex or Collision, Link and Activity
• Power Input: 5 V / 1 A external power adapter