Matches in DBpedia 2016-04 for { ?s ?p "The V.23 standard was an early modem standard approved by the ITU in 1988. It specifies audio frequency-shift keying (AFSK) to encode and transfer data at a rate of 1200 bits per second, half-duplex at 1200 baud (Mode 2), (or at a \"fallback rate\" of 600 baud, mode 1) for the forward data-transmission channel, and an optional 75 baud backward channel."@en }
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- ITU_V.23 comment "The V.23 standard was an early modem standard approved by the ITU in 1988. It specifies audio frequency-shift keying (AFSK) to encode and transfer data at a rate of 1200 bits per second, half-duplex at 1200 baud (Mode 2), (or at a \"fallback rate\" of 600 baud, mode 1) for the forward data-transmission channel, and an optional 75 baud backward channel.".