ATTO Technology XstreamCORE FC 7550 Installation And Operation Manual page 40

The product has been certified and bears the Mark, as applicable, of the EMC and Product Safety authorities as indicated below:
-1 -1 -1
Safety: CU 72141224 04, EN 60950 , CE, CSA 60950 , UL 60950 , CB IEC60950-1 (all national deviations)
A 3
Emissions/Immunity: FCC Part 15 Class , ICES-003, CE - EN550 2, EN55024, IEC61000-3-2, IEC61000-3-3