... : 2048 Part No.DescriptionunitCk-if1602-M16*10/100M TP+2* redundant 100M fiber ports,multi-mode,2Km, ... 2Km,AC110~240V,SC/FCSTPcsCi-if240402-M24*10/100M TP+4*100M fiber+2*1000M fiber ports,managed redundant, ... 2Km,AC110~240V,SC/FCSTPcsCk-if1602-S16*10/100M TP+2* redundant 100M fiber ports,s-mode,20Km ... 20Km,AC110~240V,SC/FCSTPcsCi-if240402-S24*10/100M TP+4*100M fiber+2*1000M fiber ports,managed redundant, ...