Коммутатор TP-LINK Net System Module|TP-LINK|TL-SM321B-2|TL-SM321B-2

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