TP-Link 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321B)
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- Up to 12.4 miles (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
- Works with TL-SM321A as a pair
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