Edit Product Description Save and continue editing Save changes Sku LS Description 1000Base-BX WDM Bi-Directional SFP Module Up to 20 km transmission distance with 9/125 m 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-SM321B as a pair Alloy Description Alloy Short Description Alloy Features & Benefits MMT Description DS Description DS Features HTML Icecat Description Icecat Short Description Icecat Features Icecat Specifications Icecat Middle Description Icecat Long Summary Are you sure you want to %action_name%?