TP-Link TL-FC311B-20 Gigabit WDM Media Converter

The TP-Link TL-FC311B-20 is a simple and cost-effective way to extend a Gigabit network over fiber. It converts 1000BASE-T copper to 1000BASE-BX fiber, so it helps connect distant devices with stable, high-speed performance. As a result, it suits business networks, campus links, surveillance systems, and long-range backbone connections.

Key Features

• Converts Gigabit RJ45 Ethernet to single-mode WDM fiber
• Supports one-fiber bidirectional data transmission
• Provides up to 20 km fiber transmission distance
• Includes one 10/100/1000 Mbps RJ45 port
• Includes one Gigabit SC fiber port
• Uses different transmit and receive wavelengths for efficient fiber use
• Supports auto MDI/MDIX on the RJ45 port
• Supports full-duplex Gigabit communication
• Works with plug-and-play setup for quick deployment
• Designed for stable operation in compact network environments

Built for Long-Distance Gigabit Links

This media converter is ideal when Ethernet cable is not enough. It sends data over single-mode fiber for distances up to 20 km. Therefore, it helps bridge offices, buildings, and network cabinets without major signal loss.

Efficient WDM Single-Fiber Design

The TL-FC311B-20 uses WDM technology to send and receive data over one fiber strand. As a result, it reduces fiber usage and can lower installation costs. This design is useful where fiber resources are limited or expansion must stay affordable.

Reliable Performance for Everyday Networking

With a Gigabit RJ45 port and a Gigabit fiber port, this converter supports fast and steady data transfer. In addition, auto-negotiation helps simplify setup with compatible Ethernet devices. Its compact format also makes placement easier in many network setups.

Product Attributes

• Brand: TP-Link
• Model: TL-FC311B-20
• Product Type: Gigabit WDM Media Converter
• Network Port: 1 × 10/100/1000 Mbps RJ45
• Fiber Port: 1 × Gigabit SC simplex
• Fiber Type: Single-mode fiber
• Transmission Distance: Up to 20 km
• Technology: WDM bi-directional transmission
• Ethernet Standards: IEEE 802.3ab, IEEE 802.3z, IEEE 802.3x
• Duplex Mode: Full-duplex
• RJ45 Support: Auto MDI/MDIX
• Installation: Plug and play
• Use Case: Long-distance Gigabit fiber-to-Ethernet conversion

Why Choose This Media Converter?

The TP-Link TL-FC311B-20 offers an affordable way to expand a network over long distances. It is easy to install, saves fiber resources, and delivers dependable Gigabit performance. Because of that, it is a smart choice for users who want practical value without added complexity.