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USB ADSL tester

Discussion in 'General Electronics' started by JR, Jan 31, 2005.

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  1. JR

    JR Guest

    Does anyone know how to run an ADSL USB modem from a 6v battery? I need to
    use the modem to test for line synch. without having to start up my laptop
    every time. I have tried connecting voltage to the +ve and -ve pins of the
    USB cable but without a computer connected, it will not fire up. It must
    require some sort of data signal on the other leads to make it work. I have
    tried two different brands of modems but with the same result.
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