Key Features - 20 KA Lightning surge protection - Two passive 10/100/1000 Ethernet Ports - One ground position - Flexibility for various Ethernet devices including PoE Specification - Ethernet interface: 2 passive 10/100/1000 Ethernet Ports - Ground: 1 ground position - DC spark-over voltage: 230V, +/-20% - Nominal impulse discharge current: 20KA - Arc Voltage at 1A: ~35V - Glow to arc transition current: ~1A - Glow voltage: ~200V - Dimension (W×D×H): 65×42×20mm - Weight: 80g - Operate environment: 0-50 Degree C, 5% - 90% RH - Storage environment: -20-70 Degree C, 5% - 90% RH