Image 1 of 1 TP-Link 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321A-2) TX: 1550nm, RX: 1310nm, Up to 2KM Transmission Distance, LC Simplex $39.00 TP-Link 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321A-2)• 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 SwappableHARDWARE FEATURESDDM YesSFP-MSA YesHot Swappable YesMEDIA CONVERTER & MODULEStandards and Protocols IEEE 802.3z, TCP/IPWave Length TX: 1550 nmRX: 1310 nmPower Supply 3.3 VSafety & Emission FCC, CECabel Single-Mode FiberFiber Type 9/125 μm Single-ModeMax. Cable Length 2 KMData Rate 1.25 GbpsPort Type LC SimplexEnvironment Operating Temperature: 0–70 °C (32–158 °F)Storage Temperature: -40–85 °C ( -40–185 °F)Operating Humidity: 10–90% RH, Non-CondensingStorage Humidity: 5–90% RH, Non-Condensing Quantity: Add To Cart Added! TP-Link 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321A-2)• 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 SwappableHARDWARE FEATURESDDM YesSFP-MSA YesHot Swappable YesMEDIA CONVERTER & MODULEStandards and Protocols IEEE 802.3z, TCP/IPWave Length TX: 1550 nmRX: 1310 nmPower Supply 3.3 VSafety & Emission FCC, CECabel Single-Mode FiberFiber Type 9/125 μm Single-ModeMax. Cable Length 2 KMData Rate 1.25 GbpsPort Type LC SimplexEnvironment Operating Temperature: 0–70 °C (32–158 °F)Storage Temperature: -40–85 °C ( -40–185 °F)Operating Humidity: 10–90% RH, Non-CondensingStorage Humidity: 5–90% RH, Non-Condensing