A diode bridged with a 1 Uf. 400 volt capacitor ( so as to pass the AC
ring voltage).
Otherwise you will lose ringing from the unit.
How many volts is the DC loop on this unit?
On Wed, 03 Dec 2003 21:47:52 -0500 "Bob [EMAIL PROTECTED]" <[EMAIL PROTECTED]>
writes:
> ...Because you can tell the ATA to reverse polarity when the callee
> hangs up, and do your drop of
> loop current by simply inserting a diode in the path. The issue I
> contacted Cisco about is exactly
> for this purpose, and it won't work exactly out of the box as it
> should. Hopefully this latest
> firmware update will correct this, so you can get it to make your
> KXTD drop connection properly
> (bringing the thread back to KXT...heh).
>
> Bob
>
> David Lesher wrote:
> > Speaking on Deep Background, the Press Secretary whispered:
> >
> >>Actually, I'm going through some stuff with Cisco right now on
> getting the polarity reversals to be
> >>correct in the ATA186. It currently is very wrong. They are
> getting closer though.
> >
> >
> > Where do the demands for reversals come from? The box is
> > {allegedly} emulating a CO, and reversals were last seen in what,
> > Panel/Step offices? I don't recall any with #1XB.
> >
> > What is needed should be simple. A solid second, 1000ms, of no
> > loop current to indicate an abandoned call. Why that time? The
> only
> > references I could find in BSP's was the 1A2's 400D card setting;
> > they dropped on a 500ms interuption so I doubled that, to be
> sure.
> >
> > Is there some issue I don't know of re: KXTD's and detecting CPC?
> > It seems to work for me.
> >
> >
>
>
> _________________________________________________________________
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>
>
Chris Snyder
Advantage Telcom
Cosby, Tn.
Sevier County's oldest interconnect.
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