tp-link SM311LM, OMADA SFP MiniGBIC Modul, Gigabit SFP module, Multi-mode, LC interface, Up to 550/275m distance
tp-link TL-SG116P, 16-Port Gigabit Desktop PoE+ Switch
tp-link MC200CM, optický konvertor, 1000Mbps, multi-mode, SC fiber Converter, Full-duplex, up to 0,5km