Cisco WS-C6509-V-E-CM=. Weight: 54.9 kg. Power requirements: 100 - 240VAC. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 75 °C, Operating relative humidity range: 5 - 95 %. Safety: UL 60950, CSA-C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS 60950/TS001