MikroTik SFP modul S-RJ01, RJ-45, 100m, 1.25Gbit OVERVIEW; S-RJ01 is RJ45 SFP 10/100/1000M copper module, compatible with most Gigabit SFP ports available on various networking devices. Shipped with CCR1016-12S-1S+, by popular demand is now also available for purchase separately.