Quick Specs Ethernet Ports: 24x 10/100/1000 Hardware Button: VLAN ; Extender ; Default Max. Power Consumption: 10W Mounting: Rack-Mount Operating System: None Operating Temperature: 0°C to 40°C PoE Input: None PoE Output: 802.3af/at PoE on Ports 1~24 Power Input: 1x IEC Power Cord (Included) Serial Interface: None SFP Ports: 2x 1.25Gbps Supported Voltage Range: 100-240V