(10/100/1G) Gigabit Bypass network tap / sniffer equivalent to port mirror on a switch. The two monitor/sniff ports are isolated from the network being monitored. Automatic bypass of device on power fail. Power-over-Ethernet (POE) pass-through. Rated at.75A max at 57vdc 5v power through USB3 port or 5v wall transformer (or both). ~500ma consumption.