TP-Link TL-SM321B-2 Gigabit Single-Mode WDM Bi-Directional SFP Module

**Overview**
The TP-Link TL-SM321B-2 is a high-performance Gigabit Single-Mode WDM Bi-Directional SFP Module designed to enhance your network's efficiency and reliability. With its advanced technology, this module ensures seamless data transmission over long distances, making it an ideal choice for businesses and network professionals.

**About this product**
The TP-Link TL-SM321B-2 SFP Module utilizes Wavelength Division Multiplexing (WDM) technology, allowing for bi-directional data transmission on a single fiber strand. This feature significantly reduces the cost of fiber cabling while maintaining high-speed connectivity. The module supports a data transfer rate of up to 1.25 Gbps and can cover distances up to 20 kilometers, making it perfect for long-range networking applications. Its compact design ensures easy installation and compatibility with a wide range of TP-Link switches and routers, providing a flexible and scalable networking solution.

**FAQ's**

1. **What is the maximum distance the TP-Link TL-SM321B-2 can cover?**
The TP-Link TL-SM321B-2 can cover distances up to 20 kilometers, making it suitable for long-range networking applications.

2. **Is this SFP module compatible with non-TP-Link devices?**
While the TP-Link TL-SM321B-2 is primarily designed for TP-Link devices, it may be compatible with other devices that support SFP modules. However, it is recommended to check the compatibility with the specific device manufacturer.

3. **What type of fiber cable is required for this module?**
The TP-Link TL-SM321B-2 requires single-mode fiber cables for optimal performance and long-distance data transmission.

4. **Does this module support hot-swapping?**
Yes, the TP-Link TL-SM321B-2 supports hot-swapping, allowing you to replace or install the module without powering down your network device.

5. **What is the data transfer rate of the TP-Link TL-SM321B-2?**
The module supports a data transfer rate of up to 1.25 Gbps, ensuring fast and reliable network connectivity.