SM321A-2 UN Omada 1000Base-BX WDM Bi-Directional SFP Module

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A version of the 1000Base-BX WDM bi-directional SFP module from TP-Link's Omada line with an alternative wavelength configuration (A side, -2 index). It sends and receives simultaneously over a single fibre strand, reducing fibre costs, and must work as a pair with a matching B-side module at the other end. Used when expanding existing WDM infrastructure or matching an existing wavelength scheme.