Avocent Cyclades ACS4 48 VDC, Cyclades CS. AC input frequency: 50 - 60 Hz. Operating temperature range (T-T): 10 - 44 °C, Storage temperature range (T-T): -40 - 85 °C, Storage relative humidity range: 5 - 90 %. Security algorithms supported: X.509 SSH. Cables included: 1 Ethernet 10/100BT on RJ45 1 RS-232 console on RJ45 RS-232 serial ports on RJ45. Connectivity technology: Wireless, Power supply type: Dual, Compatible operating systems: Linux