CYBERDATA, 2 Port POE GIGABIT Port MIRRORING Switch - - The CyberData 2-Port PoE Gigabit Port Mirroring Switch enables users of a network attached device to split a single 802.3af or 802.3at PoE powered Gigabit Ethernet port into two Gigabit Ethernet ports for diagnostics purposes while still maintaining a PoE connection to the attached device. - Engineers, programmers, and Field Service Personnel can utilize the Port Mirror function to monitor network traffic to and from a device with netowrk monitoring software such as Wireshark - The CyberData 2-Port PoE Gigabit Switch is pwoered form a single 802.3at or 802.3af network switch and passes that power through to one or two of the downstream switch ports.- Port Mirroring - 2-Port auto-negotiating (no crossover cable required)- 10/100/1000 full duplex (PoE-powered)- Link/Status and connection speed LEDs- RoHS compliant