_____
       B i e n v e n i d o   a                             |=     =_
      _    ____  ____   _    ____            ____=======|  |        |
     / \  |  _ \|  _ \ / \  / ___|     ___=== |         =_ |        =_
    / _ \ | |_) | |_) / _ \| |       |=       =_         | =_        |
   / ___ \|  _ <|  __/ ___ \ |___    =_        |         |  =__       |
  /_/   \_\_| \_\_| /_/   \_\____|    |        =_      __|   _=    __=|_
RED NACIONAL DE TRANSMISIÓN DE DATOS  |       __|__||||    _=          =_
    POR CONMUTACIÓN DE PAQUETES        |___===   __=   ==|=              |
                                      |=    __   ____==== |   _         _=
       X.25       X.28         __     ==____  ===    |==| _   | _____=========_
        2400 bps   1200 bps      =|__       ====__ ___|  |=  _==               |
        4800 bps                    ===|_____======    |    |                  =
        9600 bps                         |         _____=  _=                 |
                                         |         |___ ===|                 _=
     Módem de Discado Directo                         =|   |                 |
     110, 200, 300 y 1200 bps                          |   |                 |
           322-1234/7808                               =_  =_                =