1000Base-BX WDM Bi-Directional SFP Module
   
  
  
  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-SM321A as a pair
  
  
   
  
  
   
  
   
  
   
  
   
  
  
  What This Product Does
  
  
  TP-Link´s TL-SM321B adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321A, 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.