Ethernet MDI Signal Design Guide :: OSHW Alchemist
Amazon.com: Hardened Industrial Gigabit Compact Ethernet Switch 10-Port 10/100/1000BASE-T RJ45 with auto-MDI/MDI-X Function 10/100Mbps Half/Full Duplex and 1000Mbps Full Duplex 12~48VDC Wide Range Power Input : Electronics
TL-SG1024, TP-Link 24-port, Gigabit Ethernet, Full-Duplex, Auto MDI/MDIX | EET