Maker Pro
Maker Pro

Delay Ring Indicator on modem

Hi,

I'd like to use my modem to wake up my PC, but the modem sets the Ring
Indicator as soon as the phone rings. Ideally I'd like it to wait for,
say, 20 seconds and only set the Ring Indicator if the phone is still
ringing.

So I thought maybe I could put some kind of circuit between the modem
and the PC which would block the RI line unless the RI line had been
set for 20 seconds or more.
Can anyone suggest how this might be done?

Thanks,

Hajo
 
L

Lord Garth

Jan 1, 1970
0
Hi,

I'd like to use my modem to wake up my PC, but the modem sets the Ring
Indicator as soon as the phone rings. Ideally I'd like it to wait for,
say, 20 seconds and only set the Ring Indicator if the phone is still
ringing.

So I thought maybe I could put some kind of circuit between the modem
and the PC which would block the RI line unless the RI line had been
set for 20 seconds or more.
Can anyone suggest how this might be done?

Thanks,

Hajo

Use a counter that is triggered by the ring signal. Don't forget to reset
the counter
after you are booted.
 
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