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Symbols, numbers A C D E G H I K L M N O P S T U V W

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• parity, values, modem problems, ``Problems dialing out'', ``Problems dialing in''
• permissions, serial port
• phone line
  • checking for noise
  • modem problems
• pin connections, modems
• ports, serial, ``Choosing a serial port to use'', ``Guidelines for non-supported modems''