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TP-Link T2600G-28TS SFP port shows UP but receives nothing over fibre to D-Link converters; firmware update fixed it
A T2600G-28TS (TL-SG3424) uplinked over fibre to another building using D-Link transceivers and media converters showed the SFP port UP and transmitting but never receiving packets. Restart, factory reset and other SFP ports were tried. Another user returned the switch after failing to link it to…
