In article <telecom24.237.4@telecom-digest.org>,
michael.muderick@verizon.net says:
> I have come across 1/2 dozen Corton Communications payphones, WP 1000,
> hearing aid compatible, brand new-boxed with keys. I can't find
> anything about the company -- they were in Yonkers NY. If anyone has
> any info on them (they don't come packed with any data sheets),
> please contact me at Michael@muderick.com. Inside there is an RJ-11
> jack and connections for L1,L2 and G. I assume that's for some sort of
> power connection -- there is an LCD display on the front. The board
> that these connections are on doesn't look like it's for 110VAC- But I
> have no clue as to what voltage, AC or DC it would require. I'll
> appreciate any info on them. And, I'd be happy to sell them as well.
T, R and G are Tip, Ring and Ground respectively.
> mm
> [TELECOM Digest Editor's Note: If these are what I am thinking, they
> are 'smart' COCOTS. 'Smart' in the sense they can be set for whatever
> money value is desired to be collected (25 cents for three minutes on
> a 'local call' and four quarters or one dollar for three minutes on a
> 'long distance domestic' call.) The LED shows what the person dialed,
> the amount of money due on the call (as you choose to program it) and
> when no call is in progress it displays the time and some ribbon
> message promoting the service. The phone does not ring on incoming
> calls, but only chirps a couple times then answers itself with a
> recorded message on a chip saying 'Operator! This is a pay phone with
> no collect/third party charges allowed!' Then it disconnects itself
> unless you, the proprietor punch in a security code which allows you
> to program the rate remotely. I am not certain _and will not
> guarentee_ that they run on a 12 volt battery eliminator with a good
> size amperage, around a thousand MA. PAT]
Usually COCOT phones are powered by -48VDC. There probably is a small
lithium battery in the phone to keep the translations active during line
outages but other than that, you just hook em' up.