Apple Computer's proprietary telecommunications architecture and network protocol for the Macintosh computer. Based on the OSI communications model, AppleTalk is primarily used for connecting printers to the system, and as a network AppleTalk is slow (230.4 kilobits per second). Phase 2 of AppleTalk (released in 1989) supports Ethernet and Token Ring. Apple's Open Transport is replacing AppleTalk as a protocol for connecting to the Internet via TCP/IP, especially on newer PowerMacs.
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