Black Box LGC321A-R3
Gigabit Ethernet Industrial Media Converter
The Black Box LGC321A-R3 Gigabit Ethernet Industrial Media Converter delivers dependable copper-to-fiber conversion in demanding industrial environments. Designed for harsh conditions, it ensures uninterrupted, high-speed network connectivity where reliability is critical.
Features :
This rugged media converter provides a seamless interface between copper Ethernet and fiber networks, supporting speeds up to 1000 Mbps. Built for reliability, it features a hardened metal enclosure and operates flawlessly in a wide temperature range from -40°C to +75°C. Its DIN-rail and wall-mount compatibility make it ideal for integration into industrial cabinets or network enclosures. The dual DC power input ensures continuous uptime, even if one power source fails.
Advanced Options :
With support for both single-mode and multimode fiber, the LGC321A-R3 is versatile enough for use in factories, utility plants, transportation systems, and outdoor network installations. Designed for mission-critical applications, it is protected against electrical surges, electromagnetic interference, and extreme environmental conditions. It uses advanced switching technology for low latency and high throughput, ensuring data integrity over long distances.
Product Key Features
- Converts 10/100/1000 Mbps copper Ethernet to fiber
- Industrial-grade design for extreme environments
- Wide temperature range: -40°C to +75°C
- Supports single-mode or multimode fiber options
- DIN-rail or wall-mount installation
- Dual power input for redundancy
Reliability & Performance :
Designed for mission-critical applications, the LGC321A-R3 is protected against electrical surges, electromagnetic interference, and extreme environmental conditions. It uses advanced switching technology for low latency and high throughput, ensuring data integrity over long distances.
Key Features :
- 10/100/1000 Mbps copper-to-fiber conversion
- Rugged industrial-grade housing
- Wide operating temperature (-40°C to +75°C)
- DIN-rail or wall-mount installation options
- Dual redundant DC power inputs
- Surge and EMI protection




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