It definitely is a cable problem.
use console cables connected to rj45 adapter to restore the image. After
the image is restored the switch goes for a self test and ATQ0H0
appears.Change the cable to a null modem cable and get back the console
This is what happened on my 1900 older version running 5.37.
hope this helps
nandit
>
>>
>> >
>> >
>> > > Date: Sun, 7 Jan 2001 17:45:17 -0500
>> > > From: "Jon O'Nan" <[EMAIL PROTECTED]>
>> > > Subject: ATQ0H0
>> > >
>> > > I've been working with an older Catalyst 1900 switch
>> > (firmware ver 5.37)
>> > > We
>> > > can't get any management console output. We are able to bring
>> > up the
>> > > diagnostic console by holding in the mode button on the front
>> > of the
>> > > switch
>> > > while turning on the power. After upgrading the firmware via
>> > xmodem, the
>> > > switch will POST and then leave us with a blsnk screen except
>> > for modem
>> > > strings ATQ0H0. Anyone ever experienced the same issue?
>> >
>> >
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