TP-Link SM321A – 1000Base-BX WDM Bi-Directional SFP Module
The TP-Link SM321A is a high-performance 1000Base-BX WDM bi-directional SFP module, designed to provide reliable and efficient network connectivity. This device is engineered to support single-mode fiber optic connections, transmitting data at a wavelength of 1550nm and receiving at 1310nm. With a maximum distance of 10km, it is ideal for medium to long-haul network deployments. The SM321A is built with a LC connector, ensuring secure and precise connections. Its bi-directional capability enables simultaneous transmission and reception of data, making it a valuable asset for high-bandwidth applications. In enterprise environments, this module can be used to establish high-speed connections between data centers, campuses, or remote offices. Its compatibility with industry-standard SFP ports ensures seamless integration with existing network infrastructure.
The SM321A’s architecture is designed to minimize latency and packet loss, ensuring high-quality network performance. Its WDM technology allows for efficient use of fiber optic cables, reducing the need for additional infrastructure. This results in lower operational costs and simplified network management. In addition, the module’s compact design makes it easy to deploy in a variety of network environments, from data centers to branch offices. With its high-performance capabilities and reliable design, the SM321A is an excellent choice for organizations seeking to upgrade their network infrastructure.
In terms of enterprise use-cases, the SM321A can be used to support a range of applications, from high-bandwidth data transfer to real-time video streaming. Its bi-directional capability makes it an ideal solution for applications that require simultaneous transmission and reception of data, such as video conferencing or online collaboration. the module’s compatibility with industry-standard SFP ports ensures that it can be easily integrated with existing network infrastructure, minimizing downtime and reducing the need for additional hardware.
Technical Specifications
| Brand | TP-Link |
| SKU | SM321A |
| Category | Networking |
| Connector | LC |
| Wavelength | TX:1550nm/RX:1310nm |
| Fiber Type | Single-mode |
| Maximum Distance | 10km |
| Data Rate | 1000Base-BX |
| View all TP-Link Products → | |
Challenges Solved by this Solution
For many organizations, network bottlenecks and latency can be a major obstacle to productivity and efficiency. As data demands continue to grow, IT teams are under pressure to deliver high-speed connectivity without breaking the bank. The SM321A offers a reliable and efficient solution to these challenges, providing high-performance network connectivity over long distances. By minimizing latency and packet loss, this device enables organizations to support high-bandwidth applications and improve overall network performance. With its compact design and industry-standard compatibility, the SM321A is an excellent choice for organizations seeking to upgrade their network infrastructure without disrupting existing operations.
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Frequently Asked Questions
What is the maximum distance supported by this SFP module?
This SFP module supports a maximum distance of 10km.
What type of fiber optic connection does this module support?
This module supports single-mode fiber optic connections.
Can this module be used for high-bandwidth applications?
Yes, this module is designed to support high-bandwidth applications, including real-time video streaming and online collaboration.
How can I get help with installation and configuration of this device?
Our TECHOM Systems Sales team can provide assistance with installation and configuration, as well as answer any questions you may have about this device.
Is this module compatible with industry-standard SFP ports?
Yes, this module is compatible with industry-standard SFP ports, ensuring seamless integration with existing network infrastructure.


Ready to Deploy TP-Link 1000base-bx Wdm Bi-directional Sfp Module, Lc Connector, Tx:1550nm/rx:1310nm, Single-mode, 10km (SM321A)?
Product Ref: TOS-205473 • Get enterprise pricing, volume discounts, and Australian support.

























