... and -48Vdc dual power redundant hot backup, load balance operating, auto-seamless switch whichever power broke ... 385mm (D) * 43.6mm (H)Net weight4Kg (Full load)Power consumption≤80WOperating conditionTemperature:0 ~ +55°C, humidity:10 ... support SNMPv1/v2, support IEEE802.3ah OAMManagement functionSupport equipment configuration management, performance management, fault management, sources management, ...