86 lines
2.6 KiB
Plaintext
86 lines
2.6 KiB
Plaintext
|
|
BLACK BOX PLANS
|
|
---------------
|
|
|
|
WHEN YOUR PHONE IS JUST SITTING THERE
|
|
DOING NOTHING, THE VOLTAGE THROUGH
|
|
THE PHONE LINE IS ABOUT 20 VOLTS AC.
|
|
WHEN SOMEONE CALLS AND THE FONE
|
|
STARTS RINGING, THE VOLTAGE JUMPS
|
|
ENOUGH FOR THE BELL TO WORK (ABOUT
|
|
48 VOLTS) WHICH TELLS MA BELL TO STAND
|
|
BY IF YOU SHOULD PICK UP SO SHE CAN
|
|
BILL YOU. WHEN YOU ADVENTUALLY PICK UP
|
|
THE PHONE THE VOLTAGE DROPS TO 10 VOLTS
|
|
AND THE BILLING STARTS. WHAT A BLACK
|
|
BOX DOES IS IT KEEPS THE VOLTAGE AT 36
|
|
VOLTS THEREFORE THE INCOMMING CALLER
|
|
NEVER GETS BILLED (INGENIOUS!).
|
|
|
|
THE ORIGINAL BLACK BOX WAS CREATED BY
|
|
AN EX-BELL EMPLOYEE WHO WENT BY THE
|
|
NAME "CAPTAIN CRUNCH". HE GOT HIS NAME
|
|
FROM THOSE LITTLE WHISLES YOU GOT IN
|
|
BOXES OF CAPTAIN CRUNCH BECAUSE THEY
|
|
EMITED A TONE THAT SOUNDED LIKE A PAY
|
|
FONE.CAPT CRUNCH JUST ANNOUNCED HIS
|
|
OFFICIAL RETIREMENT FROM PHREAKING
|
|
AFTER BEING RELEASED FROM A CALFORNIA
|
|
JAIL ON TWO COUNTS OF USING BLUE
|
|
BOXES (THE ONES OPERATORS USE).
|
|
|
|
MATERIALS: 1] A 36 VOLT ZENER DIODE.
|
|
2] A CERAMIC OR MYLAR
|
|
CAPACITOR OF 0.1 MICRO-
|
|
FARAD.
|
|
3] A ELECTROLYTIC CAPACITOR
|
|
OF 1.0 MICROFARAD.
|
|
|
|
YOU CAN GET ALL THESE PARTS AT YOUR
|
|
LOCAL RADIO SHACK.
|
|
|
|
INSTRUCTIONS:
|
|
|
|
FIRST YOU HAVE TO OPEN YOUR PHONE UP.
|
|
YOU DO THIS BY GENTLY REMOVING THE
|
|
TWO SCREWS ON THE BOTTOM OF THE PHONE
|
|
AND LIFTING THE COVER UP SLOWLY. YOU
|
|
SHOULD NOTICE THREE WIRES COMING IN
|
|
FROM THE BACK OF THE PHONE, A GREEN,
|
|
RED, ANDYELLOW MOST OF THE TIME THOUGH
|
|
THEY CAN DIFFER. DON'T WORRY ABOUT THE
|
|
YELLOW WIRE, WE WILL NOT NEED IT TO DO
|
|
THIS. YOU WILL NEED TO FIND THE MORE
|
|
POSITIVE OF THE REMAINING TWO WIRES
|
|
(ALMOST ALWAYS THE GREEN). NOW CONNECT
|
|
THE BANDED END OF THE ZENER DIODE TO
|
|
THE MORE POSITIVE OF THESE TWO WIRES.
|
|
NOW CONNECT THE OTHER END OF THE DIODE
|
|
TO THE RED WIRE "IN-SERIES". YOU HAVE
|
|
JUST COMPLETED THE FIRST STEP.
|
|
FOR THE SECOND STEP YOU NEED A CERAMIC
|
|
OR MYLAR CAPACITOR OF 0.1 MICRO-
|
|
FARAD. YOU CONNECT THIS "IN PARALLEL"
|
|
ACROSS THE DIODE. THIS IS NEEDED TO
|
|
ALLOW THE DIODE TO PASS VOICE SIGNALS.
|
|
NOW FOR THE FINAL STEP. TAKE YOUR
|
|
ELECTROLYTIC CAPACITOR OF UP TO 1
|
|
MICRO-FARAD WITH IT'S + END CONNECTED
|
|
TO THE BANDED END OF THE DIODE AND THE
|
|
OTHER END SHOULD BE CONNECTED TO THE
|
|
ANODE END OF THE DIODE.
|
|
MA BELL IS NOT TOTALLY OBLIVIOUS TO
|
|
THIS. IF THE PHONE RINGS FOR ABOUT A
|
|
HALF-HOUR THEY WILL THINK SOMETHING IS
|
|
WRONG AND BILL YOU ANYWAY. WHEN USING A
|
|
BLACK BOX YOUR PHONE WILL CONTINUE TO
|
|
RING EVEN THOUGH YOU PICKED UP. YOU
|
|
HAVE TO MAKE A SWITCH TO CONNECT TO
|
|
ONE OF THE RINGER WIRES THAT WILL SHUT
|
|
IT OFF
|
|
|
|
|
|
|
|
|
|
-Hit a key to continue!-
|
|
|