SM321B-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 (B side, -2 index). Paired with an SM321A-2 (A side) module, it creates a 1 Gbit/s link over a single fibre strand. Used to match an existing WDM scheme or to extend an additional fibre line.