Avocent Cyclades CS 8-port console server, AC Power, Cyclades CS. Weight: 2.858 kg. Operating temperature range (T-T): 10 - 44 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 5 - 90 %. Security algorithms supported: PAP/CHAP. Data link protocols: DHCP, PPP/SLIP, NTP, RFC 2217, HTTP/HTTPS, TFTP,FTP, TCP/IP, Connectivity technology: Wired, Dimensions (WxDxH): 431.8 x 203.2 x 44.5 mm