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