Overview     To avoiding the various Ethernet devices may damage with surge voltages by lightning strikes. PLANET releases a new Ethernet Lightning Arrest Box for preventing the lightning strike situation which appears in current Ethernet environment. The Ethernet Lightning Arrest Box, ELA-100, provides two passive 10 / 100 / 1000Base-T interfaces for connection of two Ethernet devices and one ground position for earthed. The ELA-100 Ethernet Lightning Arrest Box is the ideal solution to prevent damages of Ethernet devices by lightning strike with surge voltages.