The Lenovo ThinkPad Ethernet Extension Adapter Gen 2 is a compact network adapter cable designed for selected ThinkPad and ThinkCentre systems. It converts Lenovo's proprietary Ethernet port into a standard RJ-45 port for wired Ethernet connection. The adapter supports PXE boot, MAC address pass-through, and Wake-On-LAN, depending on system compatibility. It is driverless, plug-and-play, and hot-pluggable. The cable length is 8 cm, and the connector layout is RJ-45 female to Lenovo Ethernet extension male port. The product is black and intended for portable use with compatible Lenovo business systems. It is classified as a Cat 6 twisted-pair network cable with 1 port.