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Gadgets for a couple of boxes
NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. The webmasters of this site do not advocate the breaking of any law. Our text files and message bases are for informational purposes only. We recommend that you contact your local law enforcement officials before undertaking any project based upon any information obtained from this or any other web site. We do not guarantee that any of the information contained on this system is correct, workable, or factual. We are not responsible for, nor do we assume any liability for, damages resulting from the use of any information on this site.
X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X
-= PHONE GADGETS =-
Conference Caller
Hold Button
by
-- anonymous wizard --
X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X
>>> Standard Disclaimer <<<
Anything you connect to the phone lines
is *supposed* to be FCC registered, to
make sure it won't repairmen or
damage equipment. The gadgets des-
cribed in this file do NOT apply any
extra voltage to the line, and should
be safe. If in doubt, ith the
phone company before connecting any
stuff to your line. (These gadgets do
not put n xr rnger equivalence"
on your line, either.)
X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X
CONFERENCE CALLER
If you have two phone lines, you can
this simple attachment to set up your
own conference calls. Yever pay
to have an operator set them up for you
again. Once you've called the two
other pol nyu two lines, you
just throw the switch.
All three of
you can now talk to each other.
Phone lines carry voices as audio
frequencies superimposed on DC control
voltages (around 40-50 von not
in use, with higher pulses when
ringing; around 10 volts when a phone
is being used - ogtte exact
numbers, but those are close.)
The two lines can be connected through
capacitors, so the audio passes between
the two, but the DCes don't
interfere with each other. (If you
simply short the lines together, the
phone comaymyntlike it!)
Use this simple circuit:
! !
red --------! !---o: o------ red
! ! :
(line 1) : (line 2)
! !
green--------! !---o o------green
! !
^ ^
capacitors DPST
.1 to 1 uf switch
(not critical)
(do *not* use polarized electrolytics!)
(This circuit is similar to the other
conference caller mentioned on the
Roman Forum, which doesn'the
capacitors.)
X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X<>X
HOLD BUTTON
This gadget also is a variation on one
posted on the Roman Forum.
Shorting the line is not a good idea.
A resistance of 1-2K is enough to hold
the line, without mae line look
screwed up to the phone company.
red ------o o----\\\\------ green
SPST 1-2K
switch
(It doesn't matter which direction you
connect this circuit in -- red-to-green
and green-to-red bo.)
If you like, you can add an LED that
will light whenever you have someone on
hold. Just connect tin series
with the switch and resistor (now about
500 ohms to 1.5k, depending on your LED
- xeiet). Like this:
^^
!\ !
red -----o o----\\\\-----! >!--- green
! !
SPST sw. .5-1.5K LED
This circuit (with the LED) only works
if it's connected in the right direc-
tion. Phone wiring isn't always done
right; before you wire this one in
permanently, try switchined and
green wires, and leave it in the
direction that works.
ENJOY!
X<>X<>X< anonymous wizard >X<>X<>X
***************************************
* *
* How to build a BLACK BOX *
* *
***************************************
To all who dare --
What is a BLACK BOX? A BLACK BOX
is a device that is hooked up to your
fone that fixes your fone so that when
you get a call, the caller doesn't get
charged for the call. This is good for
calls up to 1/2 hour, after 1/2 hour
the Fone Co. gets suspicious, and then
you can guess what happens.
The way it works:
What this little beauty does is
keep the line voltage from dropping to
10v when you answer your fone. The
line is insted kept at 36v and it will
make the fone think that it is still
ringing while your talking. The reason
for the 1/2 hour time limit is that the
Fone CO. thinks that something is wrong
after 1/2 an hour of ringing.
All parts are available Radio
Shack. Using the least possible parts
and arangement, the cost is $0.98 !!!!
And that is parts for two of them!
Talk about a deal! If you want to
splurge then you can get a small PC
board, and a switch. There are two
schematics for this box, one is for
most normal fones. The second one is
for fones that don't work with the
first. It was made for use with a Bell
Trimline touch tone fone.
** Schematic 1 for most fones **
** LED ON: BOX ON **
FROM >--------------------GREEN-> TO
LINE >--! 1.8k LED !---RED--> FONE
!--/\/\/\--!>--!
! !
------>/<-------
SPST
Parts: 1 1.8k 1/2 watt resistor
1 1.5v LED
1 SPST switch
You may just have two wires which you
connect together for the switch.
** Schematic 2 for all fones **
** LED ON: BOX OFF **
FROM >---------------GREEN-> TO
LINE >------- ---RED--> FONE
! LED !
-->/<--!>--
! !
---/\/\/---
1.8k
Parts: 1 1.8k 1/2 watt resistor
1 1.5v LED
1 DPST switch
Here is the PC board layout that I
recommend using. It is neat and is
very easy to hook up.
Schematic #1 Schematic #2
************** ****************
* * * ------- *
* --<LED>--- * * ! ! *
* ! ! * * ! <SWITCH> *
* RESISTOR ! * * ! ! ! *
* ! ! * * ! ! / *
* -------- ! * * ! ! \ *
* ! ! * * ! <LED>! / *
* --SWITCH-- * * ! ! \ *
* ! ! * * ! ! / *
L * ! ! * F L * ! ! ! * F
I>RED- -RED>O I>RED- ---RED>O
N>-----GREEN---->N N>-----GREEN------>N
E * h * E E * * E
************** ****************
Once you have hooked up all the
parts, you must figure out what set of
wires go to the line and which go to
the fone. This is because of the fact
that LED's must be put in, in a certain
direction. Depending on which way you
put the LED is what controls what wires
are for the line & fone.
How to find out:
Hook up the box in one direction
using one set of wires for line and the
other for fone.
*NOTE* For Model I switch should be OFF.
*NOTE* For Model ][ switch should be
set to side connecting the led.
Once you have hooked it up, then
pick up the fone and see if the LED is
on. If it is, the LED will be lit. If
is doesn't light then switch the wires
and try again. Once you know which are
which then label them. *NOTE* - If
neither directions worked then your
switch was in the wrong position. Now
lable the switch in its current
position as BOX ON.
How to use it:
The purpose of this box is not to
poeple who call you so it would make
sence that it can only be used to
receive! calls. When the box is *ON*
then you may only recieve calls. Your
fone will ring like normal and the LED
on the box will flash. If you answer
the fone now, then the LED will
light and the caller will not be charged.
Hang up the fone after you are done
talking like normal. You will not be
able to get a dial-tone or call when
the box is on, so turn the box *OFF*
for normal calls. I don't recommend
that you leave it on all the time, as
you don't want it to answer when Ma
Bell calls!
Silver Boxing
How to build a SILVER box:
Tools and materials : Soldering Iron, Solder,
Some 22 ga.
wire, a SPDT switch, and a screwdriver.
1) Unscrew your phone (must be a touch tone,
desk type)
2) Remove the mounted pad and take the clear
plastic cover from
the bottom.
3) Hold the pad with the numbers 0, *, # facing
you, and turn
it upside down, so you can see the yellow
pc board.
4) You should see 2 black round doughnuts.
5) Position the board so the solder points
for the left
doughnut face you.
6) Count over four points from the left, and
attach a (green)
wire to that point.
7) Between you and the doughnuts, there should
be 2 long yellow
capacitors. To the right of these, and on
the edge of the
board there should be 3 gold contacts. We
will use the one on
the left.
8) The bontact originally is spot welded,
so snip it open.
9) To the one nearest you, attach a (red)
wire to the other
one, a (yellow) wire.
10) Run the wires out of the phone, and solder
the switch.
11) The orientation should be (red) to center.
The switch will
now alternate between normal and 1633hz fourth
column tones.
HOW TO BUILD A HOLD BUTTON
I WILL DO THIS STEP BY STEP:
1. YOU CAN EITHER DO THIS FROM THE
OUTSIDE OR FROM THE INSIDE OF
YOUR PHONE. FIRST TAKE THE RED
AND GREEN WIRES AND STRIP DOWN
A PIECE OF WIRE SO YOU CAN ADD
ANOTHER PIECE OF WIRE TO IT.
2. ONCE YOU HAVE THE OTHER PIECE'S
OF WIRE ADDED TO THEM GET A
A TWO WAY TOGGLE SWITCH SO THAT
YOU CAN SWITCH THEM FROM HOLD TO
TALK POSITION
3. TAKE THE TWO EXTRA PIECES OF
WIRE AND HOOK THE ONE THAT IS
HOOKED TO THE GREEN TO ONE OF
THE TERMINALS ON ONE SIDE AND
THE RED WIRE TO THE OTHER SIDE
OF THE TERMINAL
DIAGRAM:
RED GREEN
BLACK YELLOW
LEAVE THE RED AND GREEN HOOKED TO
THERE TERMINALS IN THE BOX BUT JUST
RUN A WIRE FROM EACH OF THOSE
TERMINALS AND HOOK ONE WIRE TO ONE
SIDE OF THE SWITCH AND THE OTHER
WIRE TO THE OTHER SIDE OF THE SWITCH
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