Moxa IMC-21-S-SC Single-mode, SC connector Industrial Media Converter

When a network connection drops at the worst moment, you lose productivity, miss deadlines, and waste valuable time troubleshooting. The **Moxa EDS-205A** Ethernet to Fiber Media Converter solves that frustration by turning a standard copper Ethernet link into a reliable single-mode fiber connection. It lets you extend your network over long distances, avoid electrical interference, and keep critical devices online without costly rewiring.

Moxa EDS-205A: A simple bridge for tough networking challenges

Many small-to-medium industrial sites struggle with unreliable copper cabling in noisy environments. Interference, electromagnetic storms, or long cable runs can cause frequent packet loss, which directly impacts machine control and data collection. The EDS-205A provides a clear answer: one Ethernet port (10/100BaseT X) and one 100BaseFX single-mode fiber port, protected by 1.5 kV magnetic isolation. This combination lets you move data safely over hundreds of meters of fiber, eliminating the common causes of network instability.

Usages

The converter fits neatly into any DIN-rail panel and works wherever you need a solid link between Ethernet equipment and fiber infrastructure. Typical installations include:

• Connecting PLCs or HMIs to a central control room over fiber
• Extending surveillance cameras to remote locations
• Linking office networks across factory floors separated by heavy machinery
• Providing a secure, interference-free path for IoT sensors in harsh environments

Benefits

Because the EDS-205A isolates the copper and fiber sides, it protects sensitive equipment from voltage spikes and ground loops, reducing downtime. Its wide input voltage range (12 V to 48 V DC) means you can power it from most industrial supplies without extra converters. The built-in overload current protection adds an extra safety layer, keeping your system safe during fault conditions. The compact plastic housing (25 × 109 × 97 mm, 125 g) saves space on crowded panels, while the IP30 rating shields the device from dust and accidental contact. Finally, the device’s robust design meets international safety and EMC standards, giving you confidence that it will perform reliably in demanding settings.

Key Features

• 10/100BaseT X RJ45 port - connects to standard Ethernet devices
• 100BaseFX single-mode SC fiber port - supports long-distance links
• 1.5 kV magnetic isolation - protects against voltage spikes
• Input voltage 12 to 48 V DC - flexible power options
• Input current up to 0.271 A (max) - low power consumption
• Overload current protection supported - added safety during faults
• Plastic housing, IP30 - durable yet lightweight (125 g)
• DIN-rail mounting - easy installation in control panels
• Operating temperature -10 °C to 60 °C (14 °F to 140 °F) - works in most industrial climates
• Certified to EN 55032/24, CISPR 32, FCC Part 15B Class A, EN 60950-1, UL 60950-1, MIL-HDBK-217F - meets global compliance standards

With the Moxa EDS-205A you get a trustworthy bridge that turns a problematic copper network into a stable, high-performance fiber link, keeping your operations running smoothly day after day.

Specifications