S2318TP-SI Mainframe(16 10/100 BASE-T ports and 2 Combo GE(10/100/1000 BASE-T+100/1000 Base-X) ports and AC 110/220V)
Rated voltage: 100 V to 240 V, 50/60 Hz
Maximum voltage: 90 V to 264 V, 50/60 Hz