A wiring concentrator on a Token Ring network that allows devices, typically eight to 12 Token Ring stations, to be connected to the ring. Relays in the MAU ensure the integrity of the network when devices are attached or removed. A Managed Multi-Port/Multi-Station Access Unit has built-in network management support.
multistation access unit. Wiring concentrator to which all end stations in a Token Ring network connect. The MSAU provides an interface between these devices and the Token Ring interface of, for example, a Cisco 7000 TRIP. Sometimes abbreviated MAU.