TP-Link TL-SM321A 1000Base-BX WDM Bi-Directional SFP Module

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Product details

Management number	205071582	Release Date	2025/10/16	List Price	$12.59	Model Number	205071582
Category	Networking Network Accessories

Up to 20 km transmission distance with 9/125 μm SMF (Single-Mode Fiber)
Bidirectional WDM communication on a single fiber
Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
Supports Digital Diagnostic Monitoring (DDM)
Hot-swappable module design
Work with TL-SM321B as a pair

What This Product Does

TP-Link´s TL-SM321A adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321B, You can extend the network distance up to 20Km with TP-Link´s routers, switches and media converters for reliable high-speed long-distance communication.