Number of DC inputs: 3 (DC jack, PoE-IN, 2-pin terminal) DC jack input Voltage: 24-57 V 2-pin terminal input Voltage: 24-57 V Max power consumption: 20 W Max power consumption without attachments: 14 W Cooling type: Passive PoE in: 802.3af/at PoE in input Voltage: 24-57 V CPU temperature monitor Certification: CE, EAC, ROHS