TL-SM321B-2 TP-Link 1000Base-BX WDM Bi-Directional SFP Module
Description
Description
TP-Link 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321B-2) TX: 1310nm, RX: 1550nm, Up To 2KM Transmission Distance
The TP-Link TL-SM321B-2 1000Base-BX Singlemode Fibre SFP Module is developed in accordance with the Small Form Pluggable Multi-Source Agreement (SFP-MSA). As a WDM Bi-Directional optical transceiver, the TL-SM321B-2 uses an integrated LC Bi-Directional optical interface connector for a data link up to 2 km in 9/125 µm SMF (Single-Mode Fibre).
Also, the TL-SM321B-2 incorporates the Digital Diagnostic Monitoring (DDM) feature which is compatible with SFF-8472. DDM supports real-time monitoring of the transceiver, and shows parameters including the transceiver current which transmits/receives optical power and operating temperature.
The TP-Link's TL-SM321B-2 is used for short-and medium distance fibre network in practice, and it provides fast and stable Gigabit fibre connection for switches, routers, servers, etc.
Features:
Adopts the 1000Base-BX standard.
Up to 2 km transmission distance in 9/125 µm SMF (Single-Mode Fibre).
Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA).
Supports Digital Diagnostic Monitoring (DDM).
Hot Swappable.
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About TP-Link
Stable, high-performance solutions at an affordable price.
TP-Link is an award-winning pioneer in wireless technologies that is trusted by billions of customers around the world to optimise their network connectivity. Established in 1996, the company has built a diverse portfolio of world-first solutions designed to streamline the user experience. TP-Link is continuously expanding its offering, integrating the latest in AI and industrial wireless technologies to develop high quality, high value solutions for the business and smart home markets.
TP-Link's flagship B2B brands Omada and VIGI deliver integrated networking and surveillance solutions for business of all shapes and sizes. Omada is a one-stop shop that offers a broad range of end-to-end, unified networking devices. VIGI provides powerful, efficient and user-friendly network surveillance products. TP-Link also provides wireless and smart home solutions direct to its global consumer base. Delivered through top-selling brands like DECO and TAPO, these solutions allow anyone to effortlessly curate and scale their smart home implementations and boost connectivity.
TP-Link's dedication to quality, innovation and user satisfaction has seen it consistently ranked as a top provider of Wi-Fi devices. For superior network connectivity, surveillance and smart home solutions at an affordable price, choose TP-Link.
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Why buy from The Tech Geeks?
As an official Australian TP-Link partner, we have years of experience sourcing the best TP-Link solutions, and many happy customers to prove it!
The Tech Geeks can vouch for the quality, reliability and usability of TP-Link's core products. We love the thoughtful design of VIGI’s surveillance solutions – simple yet durable, highly-efficient and powerful. VIGI’s product portfolio also includes a range of flexible, low-cost solar power options, which will save you money and deliver peace of mind. Omada’s feature-rich product portfolio pairs integrated security with intuitive interfaces, so you can enjoy a stable and secure network environment without tricky installations.
While customers typically opt for centralised device management with the Omada Controller, all Omada devices can be operated separately in Standalone mode, a feature unique to Omada. We also stock DECO, TP-Link’s range of AI enabled mesh solutions that work to enhance the home Wi-Fi experience. The DECO range is perfect for the home environment, especially if you need a reliable and sleek solution for your
smart devices.Whether you're looking to extend Wi-Fi, enhance your business network, or implement smart home solutions, The Tech Geeks offers localised advice for all TP-Link's products. Our friendly team is on the ground, here and now, waiting to help you find the right solution in your local time zone. We look forward to hearing from you!





