Tp link 1000base bx wdm sfp module
wdm bi directional sfp module supports wdm bi directional technology using a single strand of fiber cost saving tp linkacutes tl sm321b adopts the latest standard 1000base bx transmission over a single strand of fiber with one different wavelength going in each direction you can extend the network distance up to 10km with tp linkacutes routers switches media converters to provide high speed and stability features supports wdm bi directional technology using a single strand of fiber t