3Com IntelliJack NJ1000 Gigabit switch quickly converts a single-port LAN wall outlet into four switched Gigabit Ethernet ports. These intelligent, in-the-wall "network jacks" deliver simple, economical connectivity to users in hard-to-wire older buildings, crowded office spaces, public areas and virtually any other networked environment. Unlike conventional switches, 3Com IntelliJack devices take up no horizontal space and are difficult to accidentally disconnect or damage. Each switch delivers traffic prioritization for converged applications.