Photoelectric converter with single-mode dual-core fiber optic interface
A single-mode dual-core fiber optic photoelectric converter converts Ethernet electrical signals into optical signals over two single-mode fibers, enabling long-distance, high-speed network transmission.
Overview
A photoelectric converter (or fiber optic media converter) with a single-mode dual-core fiber interface is designed to convert electrical Ethernet signals into optical signals and vice versa. This allows Ethernet networks to extend over long distances, typically several kilometers, while maintaining high bandwidth and signal integrity. Dual-core single-mode fiber uses two separate fibers—one for transmitting and one for receiving—ensuring full-duplex communication and reducing signal interference .
Key Features
- Transmission Distance: Typically supports distances up to 10 km or more, depending on the device and SFP module used . Some industrial models can reach up to 120 km for long-haul applications .
- Data Rates: Supports 10/100 Mbps or 1 Gbps Ethernet, with some high-performance models reaching 10 Gbps .
- Fiber Type: Single-mode dual-core fiber (usually LC or SC connectors) for long-distance, low-loss transmission .
- Ethernet Ports: Equipped with RJ45 ports for copper Ethernet connections, often supporting auto-negotiation, full/half duplex, and VLAN compatibility .
- Industrial Features: Many converters are designed for industrial environments, offering wide voltage input, DIN-rail mounting, anti-lightning protection, and extended temperature ranges .
- Plug-and-Play: Most devices are standalone and require minimal configuration, making deployment straightforward .
Applications
- Industrial Ethernet Networks: Extending Ethernet connections in factories, power plants, and automation systems .
- Telecommunications and Broadband Networks: Connecting switches, routers, and optical network terminals over long distances .
- Video Surveillance and Security Systems: Reliable transmission of high-bandwidth video signals over fiber .
- Campus and Enterprise Networks: Linking buildings or network segments where copper cabling is impractical .
Comparison with Single-Fiber Converters
- Dual-Core Single-Mode: Uses two fibers (TX and RX), providing full-duplex communication and higher reliability over long distances .
- Single-Fiber Single-Mode: Uses one fiber for bidirectional communication, which can reduce fiber costs but may require specialized WDM modules .
Example Devices
- Colorlight H10FN: Supports single-mode twin-core fiber, 10 RJ45 ports, 10 km transmission, and optional SFP modules for up to 20 km .
- TBC-MC3302E-D20-SC: 10/100 Mbps dual-fiber converter, long-distance support up to 120 km, with industrial-grade reliability and anti-lightning protection .
- ZLAN9100: Single-mode single-fiber converter for industrial Ethernet, emphasizing cost savings over long distances . These converters are essential for extending Ethernet networks beyond the limitations of copper cabling while maintaining high-speed, reliable communication.
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