3Com's NJ90 Network Jack is compact and provides four, 10/100 unmanaged switch ports in a single device. It integrates into a network infrastructure, minimizing installation disruption and fits into any standard 1.75 in.-by-2.8125 in. wall outlet cutout or modular paneling. It can be powered over Ethernet, the IEEE 802.3af draft standard, for a future-proofed source of power and flexible configuration without extra wiring.