1.

S-interface is a _______ bus.(a) Two wire bus(b) Four wire bus(c) Single wired bus(d) None of the mentionedThe question was posed to me in homework.The query is from ISDN and Interface topic in division Digital Communication of Digital Communications

Answer»

The CORRECT OPTION is (b) Four wire bus

Easy explanation: The S interface is a four wire bus that ISDN consumer DEVICES plug into.



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