The TP-Link TL-SM321B-2 is a Gigabit single-mode WDM Bi-Directional SFP module designed for reliable fibre networking over distances up to 2km. Featuring an LC connector with TX wavelength of 1310nm and RX wavelength of 1550nm, it supports bi-directional data transmission over a single strand of single-mode fibre, helping reduce cabling requirements while delivering stable high-speed connectivity. Compatible with SFP-MSA standards and hot-swappable for easy installation.

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• Adopts the latest standard 1000Base-BX
  
• Up to 2 km transmission distance in 9/125 μm SMF (Single-Mode Fiber)
  
• Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
  
• Supports Digital Diagnostic Monitoring (DDM)
  
• Supports Hot Swappable
  
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• Manuals & Datasheets
  

• Datasheet