It didn't really work and was sent back. 2 amps of current have been successfully drawn from the POE. However, the Ethernet connection was not interrupted. I've tested nine of these on a Raspberry Pi and one on the back of my (working) desktop computer with no success transmitting over ethernet, even with the 5V part disabled.
π QNAP QSW-M2108-2C, 8-Port 2.5Gbps Management Switch with 2 Port 10Gbps SFP+ / NBASE-T Combo. Effortless web-based management.
9 Review
TP-Link TL-SF1016DS Fast Ethernet Switch - 16-Port 10/100Mbps, Plug & Play, Desktop/Rackmount, Sturdy Metal Housing with Shielded Ports, Fanless, Limited Lifetime Protection - Unmanaged
7 Review
π MikroTik CRS312-4C+8XG-RM: High-Performance 12-Port 10G Switch with Dual Power Supply
8 Review
π Tenda TEF1005D: 5-Port Fast Ethernet Switch with Sturdy Metal Design for Efficient Network Splitting, Plug & Play Setup, and Lifetime Protection
8 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review
UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review
π StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
4 Review
π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review