TP-Link SM321B-2 – Bi-Directional SFP Module
The TP-Link 1000Base-BX WDM Bi-Directional SFP Module is a high-performance networking device designed to provide reliable and efficient data transmission over long distances. This module is engineered to operate in harsh environments and is ideal for use in enterprise networks, data centers, and service provider applications. With its bi-directional capabilities, it can transmit data in both directions over a single fiber, reducing the need for multiple fibers and lowering overall costs. The module’s WDM (Wavelength Division Multiplexing) technology allows it to transmit data at different wavelengths, enabling multiple signals to be transmitted over a single fiber. This results in increased network capacity and reduced congestion.
The module’s architecture is based on a 1000Base-BX standard, which provides a high-speed data transmission rate of up to 1 Gbps. It also features a transmission distance of up to 2 km, making it suitable for use in a variety of applications, including campus networks, metropolitan area networks, and wide area networks. The module’s compact design and low power consumption make it easy to integrate into existing network infrastructure.
In enterprise networks, the TP-Link 1000Base-BX WDM Bi-Directional SFP Module can be used to provide high-speed connectivity between data centers, or to connect remote offices to a central hub. It can also be used in service provider applications, such as in fiber-to-the-home (FTTH) networks, to provide high-speed internet access to customers.
Technical Specifications
| Brand | TP-Link |
| SKU | SM321B-2 |
| Category | Networking |
| Transmission Distance | Up To 2KM |
| Wavelength | TX: 1310nm, RX: 1550nm |
| Connector Type | LC Simplex |
| View all TP-Link Products → | |
Challenges Solved by this Solution
Enterprise networks often face challenges related to bandwidth bottlenecks, packet loss, and network latency. These issues can result in decreased productivity, increased costs, and a poor user experience. The TP-Link 1000Base-BX WDM Bi-Directional SFP Module helps to alleviate these issues by providing a high-speed and reliable data transmission solution. By increasing network capacity and reducing congestion, this module enables organizations to improve their overall network performance and efficiency. its compact design and low power consumption make it an ideal solution for organizations looking to reduce their IT overhead and improve their bottom line.
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Frequently Asked Questions
What is the maximum transmission distance of this SFP module?
The maximum transmission distance of this SFP module is up to 2 km.
Can this module be used in service provider applications?
Yes, this module can be used in service provider applications, such as in fiber-to-the-home (FTTH) networks.
How does this module help to improve network performance?
This module helps to improve network performance by increasing network capacity and reducing congestion.
Can the TECHOM Systems Sales team provide installation support for this product?
Yes, the TECHOM Systems Sales team can provide installation support for this product, as well as design services and consulting services.


Ready to Deploy TP-Link 1000base-bx Wdm Bi-directional Sfp Module (tl-) Tx: 1310nm, Rx: 1550nm, Up To 2km Transmission Distance, Lc Simplex (SM321B-2)?
Product Ref: TOS-205476 • Get enterprise pricing, volume discounts, and Australian support.

























