... /MDI-X connection,IP30 protection, rugged high-strength case IES308-2 series are a smart plug-and-play industrial Ethernet switch ... , optional)Single-mode: 20, 40,60, 80, 120Km,optionalMulti-mode: 2,5Km,optionalWavelength: 850nm, 1310 nm, 1550nmAlarm output interface: One relay ... EN61000-4-11 Shock: IEC 60068-2-27 Free Fall: IEC 60068-2-32Vibration: IEC 60068-2-6Warranty: 5 yearsApprovals: FCC,CE, RoHS ...