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How Ma Bell works. 3 of 3
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.
Disclaimer notice:
This file is presented as an Informational text file only.
Do not try any of the things mentioned as some of them
are illegal to do. The bbs operator takes NO responsibilty.
--------------------------------------
How Ma Bell Works - Part III
--------------------------------------
Test Set Version 2
Another design is similar to the 'type 1' test set (above),
but has some added features:
From >----------------Tip------<To Test
Alligator set
Clip >----------------Ring-----<phone
! !
x !
! !
o !
! x---RRRRR---!
! x !
!---x !
x----0------!
x = Spst Switch
o = Red LOD 0 = Green LED
RRRRR= 1.8k 1/2 watt xxxx= Dpst switch
resistor
When the SPST switch in on, the LED will light, and the fone
will become active. The green light should be on. If it isn't,
switch the dpst. If it still isnt, check the polarity of the
line and the LEDs. With both lights on, hang up the fone. They
should all be off now. Now flip the dpst and pick up the fone.
The red LED shold be on, but the green shouldnt. If it is,
something is wrong with the circuit. You wont get a dial tone if
all is correct.
When you hook up to the line with the alligator clips
(Assuming you have put this circuit inside our fona and have put
alligator clips on the ring and tip wires (As we did before)) you
should have the spst #1 in the off posistion. This will greatly
reduce the static noise involved in hooking up to a line. The red
LED can also be used to check if you have the correct polarity.
With this fone you will have the ability to listen in on
>all< audible line activity, and the people (the 'eavesdropees')
can use their fone as normal.
Note that test sets #1 and #2 have true 'black boxes', and can be
used for free calls (see an article about black boxes).
Test Set Version 3
Courtesy of: Lex Luthor
SYSOP of Plover Net
To do test set 3:
Using a trimline (or similar) phone, remove the base and cut
all of the wire leads off except for the red (ring -) and the
green (tip +). Solder alligator clips to the lug. The wire
itself is 'tinsel' wrapped in rayon, and doesnt solder well.
Inside the one handset, remove the light socket (if it has one)
and install a small slide or toggle switch (Radio Shack's micro-
miniature spst works well). Locate the connection of the ring
and the tip wires on the pc board near where the jack is located
at the bottom of the handset. (The wires are sometimes black or
brow instead of red and green, respectively). Cut the foil and
run 2 pieces of wire to your switch. In parallel with the switch
add a .25 uf 200 VDC capacitor (mylar, silvered mica, ceramic,
not an electrolytic). When the switch is closed, the handset
functions normally. With the switch in the other position, you
can listen without being heard.
Note: To reduce the noise involved in connecting the clips to a
line, add a switch selectable 1000 ohm 1/2 watt resistor in
series with the tip wire. Flip it in circuit when connecting, and
once on the line, flip it off again. (or just use the 'line disc-
onect' type switch as in the type 2 test set (above)). Also
avoid touching the alligator clips to any metal parts or other
terminals, for i causes static on the line and raises poeple's
suspicions.
---------
RECORDING
---------
If you would like to record any activity, use test set 1 or
2 above (for unattended recording of >all< line activity), or
just any test set if you are going to be there to monitor when
they are dialing, talking, etc.
Place a telephone pickup coil (I recommend the Becoton T-5 TP
coil or equivalent) onto the test set, and put the TP plug into
the mic. jack of any standard tape recorder. Hit play, rec, and
pause. Alternate pause when you want to record (I dont think
anyone should have any difficulty with this at all...)
Well, if you still can't make a test set or you dont have the
parts, there's still hope. Alternate methods:
1> Find a bell test set in a manhole or a bridging head and
'Borrow it indefinately...
2> According to Sir Francis Drake, test sets can be purchased
from:
Techni-Tool
5 Apollo Road
Box 368
Plymouth Meeting
PA., 19462
Ask for catalog #28
They are usually $300 - $600, and are supposed to have MF
dialing capability as well as TT dialing. They are also of much
higher quality than the standard bell test sets.
If you would like to learn more about the subjects covered here,
I suggest:
1> Follow Bell trucks and linemen or technicians and ask subtle
questions. also try 611 (repair service) and ask questions..
2> Explore your area for any Bell hardware, and experiment with
it. Don't try something if you are not sure what youre doing,
because you wouldnt want to cause problems, would you?
Under NO circumstances do NOT try any of the things mentioned in
this documentation!
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