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# System prepended metadata

title: RCOM

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# RCOM


* Writer
    * Data link
        * A (campo de endereco)
        * stuffing
        * bcc
        * alarme
        * llwrite
    * Aplicacao
        * Split message 
        * Pacotes de controlo 
        * start ,end
        * Add header
        * rej,rr



* Reader
    * Data link
        * A (campo de endereco)
        *  alarme
        *  llread
        *  descartar pacote e continuar
    * Aplicacao
         * Pacotes de controlo 
         * Join message 
         * Write file
         * start ,end
         * Remove header