ibm token ring造句

The IBM token ring connector was another widespread example, but it has become obsolete and is being phased out.
Despite the modest popularity of IBM Token Ring in the 1980s and 1990s, virtually all LANs now use either wired or wireless Ethernet facilities.
The systems included a single AT expansion slot for a network card to allow the system to attach to any of the three supported networks ( Apollo Token Ring, IBM Token Ring, or Ethernet)
Plug and socket connectors are usually made up of a male plug ( typically pin contacts ) and a female receptacle ( typically socket contacts ), although " hermaphroditic " connectors exist, such as the original IBM token ring LAN connector.
Rings can be unidirectional, with all traffic travelling either clockwise or anticlockwise around the ring, or bidirectional ( as in Fiber Distributed Data Interface ( FDDI ), and Resilient Packet Ring . 802.5 networks-also known as IBM token ring networks-avoid the weakness of a ring topology altogether : they actually use a " star " topology at the " physical " layer and a media access unit ( MAU ) to " imitate " a ring at the " datalink " layer.
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