LevelOne IES-1020 Industry Ethernet Switch provides 8 PoE ports 10/100Base plus 2 port Gigabit Combo SFP to enable high speed network at mission-critical environment. With the 1U height rack-mountable size, this switch can be easily installed in the cabinet, plus the clearly visible status LEDs provide simple monitoring of port link activity. Moreover, the SFP slots support pluggable modules that enabling you to choose from a variety of transceivers.High ReliabilityAll components are built to withstand harsh environment applications without compromise where humidity, temperature variation and even shock vibration are concerns, including Electric & Utility, Critical Infrastructure, Transportation and Surveillance Security. This deviceoperates under -40 to 75 Celsius (-40 to 167 Fahrenheit) temperature.