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I have two DLINK switches(DGS-1500-28 With DEM-311GT Sx 850nm 1.25Gbps and the other switch DES-3026 with DEM-201F 1port 100 Base Fx Module) and I would like them to communicate over optical fibe connectivity.Is this possible? Do we need same module/transceivers on both ends(Sx to Sx or Fx to Fx) OR Is this possible using Sx to Fx module also?

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