TP-Link Omada TL-FC311A-20
Gigabit Connectivity: The TL-FC311A-20 features a gigabit RJ-45 port and a gigabit SC fiber port, allowing for high-speed data transmission and conversion between electrical and optical signals.

WDM Technology: It utilizes Wavelength Division Multiplexing (WDM) technology, enabling data transmission and reception over a single fiber, which significantly reduces cable deployment cost.

Long-Distance Transmission: This media converter supports data transmission over distances up to 20 kilometers, making it ideal for applications requiring long-range connectivity 1.

Auto-Negotiation: The device supports auto-negotiation for Half-Duplex and Full-Duplex transfer modes, ensuring optimal performance and compatibility with various network devices.

Standalone or Rack-Mountable: The TL-FC311A-20 can be used as a standalone device or mounted in a TP-Link TL-FC1420 rack, providing flexibility in deployment.

TP-Link Omada TL-FC311B-20
Gigabit Performance: Similar to the TL-FC311A-20, the TL-FC311B-20 offers a gigabit RJ-45 port and a gigabit SC fiber port for efficient data conversion and high-speed connectivity.

WDM Technology: This model also employs WDM technology, allowing it to transmit and receive data over a single fiber, which helps in reducing the overall cabling costs.

Extended Range: The TL-FC311B-20 supports data transmission up to 20 kilometers, making it suitable for extensive network setups.

Auto-MDI/MDIX: The device features auto MDI/MDIX on the TX port, which automatically adjusts for straight-through or crossover cables, simplifying installation and setup.

Complementary Pairing: The TL-FC311B-20 is designed to work in conjunction with the TL-FC311A-20, with complementary wavelengths for transmitting and receiving data, ensuring seamless integration and operation.