SFP+ 10GBASE-SR Multi-Mode Fibre Transceiver (300 m) Designed to support distances up to 300 metres, the DEM-431XT is a high performance 850nm Multi-Mode SFP+ transceiver. Supporting Full-duplex, 10 Gigabit speeds on Multi-Mode fibre cables. The DEM-431XT is 802.3ae 10GBASE-SR compliant and supports Full-duplex 802.3x Flow control. The DEM-431XT provides the necessary signal amplification for data to be transmitted to the network cable from the port, and vice versa. https://elecena.pl/product/18149111/dem-431xt-mini-gbic-10gbase-sr-lc-multimode 2021-04-30 https://elecena.pl/product/18149111/dem-431xt-mini-gbic-10gbase-sr-lc-multimode 2022-05-09