24-port 10/100/1000Tx Ethernet2*Gigabit Combo Ports (2*10/100/1000Tx RJ45 and 2*100/1000 SFP Slots)Configuration: http, https, CLI Command, Telnet, SNMP, SSHNetwork redundancy support: G.8032 ERPS v2/STP/RSTP/MSTPSystem Power Input: 90~264VACBuilt-in Relay Output Warning for Power FailureIP40 Rugged Metal Case Design19” Rack-Mounting Installation DesignExtended Operating Temperature Range: -40°C to 75°C5-Year Warranty