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What is the 56K modem protocol standard?

April 26, 2017modem Protocol standard

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What is the 56K modem protocol standard?

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The 56K modem protocol standard is named V.90. You may see 56K modems that support the older proprietary K56flex (Lucent/Rockwell) or x2 (3Com/USRobotics) protocols. V.90 replaces both K56flex and x2. You should always look for a modem that supports V.90.