LBS005A, 5 Port Fast Ethernet Switch Features: Pocket-size Fast Ethernet switches are a quick way to build a small network or add ports to an existing network. Can be powered through a PC's USB port so there's no need to find a spare outlet. Or use the included AC power supply Five autosensing 10-/100-Mbps ports. Autonegotiating half-/full-duplex. Auto-MDI/MDI-X function on all ports, so no need for cross-pinned cables. Non-blocking, store-and-forward switching method. Easy-to-see LED indicators enable you to view network status. Easy plug-and-play operation. Compact so you can tuck it neatly in back of your PC.