TL-SM321A-2
 New
1000Base-BX WDM Bi-Directional SFP Module
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