All,
I have been following this thread with interest, as I thought the CID
information was stripped from the signal? I am thinking of the KX-TA624,
and I confess I am not sure what unit this thread refers to.
Will adding CID boxes work on the KX-TA624 and other analog type KXT units?
Thanks,
Collin Loewen
Data Display A/V Co.,L.P.
713 688-7900
www.ddav.com
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Steven Natinsky
Sent: Monday, September 24, 2001 9:55 PM
To: KXT List
Subject: Re: KX-T: CID
thanks for the responses, I will post results if this install acutally goes
ahead.
Regards,
Steve Natinsky
Pace Comm, Inc.
----- Original Message -----
From: "larry" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, September 21, 2001 8:42 PM
Subject: Re: KX-T: CID
>
> Actually, if it's only a CID box (NO RINGER IN THE
> BOX!), you should be able to hang them out there to
> your hearts content. The ringer equalivance is listed
> as 0.0. The typical CID chip input is 2 x 100 Kohm
> resistors in series with 2 x 220 pf capacitors, which
> is a VERY LOW loading.
>
> For comparision, a standard ringer is 4.7 Kohm and a
> hugh .47 mfd capacitor, this is a 1.0 ringer
> equalivance.
>
> Again, keep those ringers off the 171 port and only
> use CID boxes.
>
> Another note- don't use a PC modem card that has CID
> feature. Most cards we tested have a nasty way of
> doing CID. They detect the ring voltage, then trip
> the connect relay, with the dial pulse circuit open,
> to "hear" the CID tones which the modem chip reads as
> a standard fsk data stream. You end up with the
> ringer equiv. PLUS the network termination circuit!
> This is an added 2.0 mfd cap in series with 200-700
> OHM resistance. To drive a few of these turkeys, you
> need to look for a 10 watt amplifier to feed the phone
> line;-) This little switching action adds nasty DC
> shifts to the poor phone line that can make a
> perfectly good CID box miss the CID tone burst.
>
> Hope that helps you plan your install.
>
> -larry
>
>
>
>
> --- Randy Dell <[EMAIL PROTECTED]> wrote:
> > it works, I have done it. You may have a problem
> > with 10 CID though, I put
> > on 5 with no problem.
> >
> > rd
> >
> > -----Original Message-----
> > From: Steven Natinsky <[EMAIL PROTECTED]>
> > To: KXT List <[EMAIL PROTECTED]>
> > Date: Friday, September 21, 2001 10:25 AM
> > Subject: KX-T: CID
> >
> >
> > I have a client who has 10 non-display phones who
> > wants caller ID at each
> > desk and doesn't want to upgrade to display phones.
> > How about using a
> > KXTD171 module and running the caller ID output from
> > the one caller ID slt
> > port to 10 cheap
> > caller ID units. Has anybody tried this? Is there
> > any reason this would not
> > work? TIA-
> >
> > Regards,
> > Steve Natinsky
> > Pace Comm, Inc.
> > [EMAIL PROTECTED]
>
>
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