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Get info about the Encyclopedia of Networking and Telecommunicatons, 3rd edition (2001)
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HSSI (High-Speed Serial Interface) Related Entries Web Links New/Updated Information Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM. The HSSI (High-Speed Serial Interface) is a high-speed interface for connecting routers and multiplexers to high-speed communication services, such as frame relay and ATM. Cisco and T3plus Networking developed the protocol, but it is freely available for use. HSSI has a synchronous data rate of up to 52 Mbits/sec, which allows support of T3 WAN connections. Maximum cable length is 50 feet over shielded twisted-pair wire. Many vendors now integrate this interface onto their router and multiplexer devices in place of serial interfaces such as V.35 and EIA-530 (EIA-422). Not only does it operate at much higher data rates, it also has superior flow control and additional loopback capability. The EIA-530 interface has a maximum data rate of about 10 Mbits/sec over short distances, and V.35 is even slower. Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.
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