      In  Terminal mode can you type AT and get an OK  reply?  If
not  then  the  modem either isn't displaying  the  echo  or  not
getting  the command. Try ATA and see if you hear the modem  pick
up  the telephone line and start squealing. If so, the  modem  is
getting  and  responding to the command and probably  is  OK  and
there is a computer hardware conflict (modem, mouse, scanner  and
so forth). If none of these produce any response, the modem  most
likely is defective.
                                   Don Hinds - Zoom Tech
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