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  • Jul 30, 2011, 01:42 PM
    nil905
    Telephone
    In a telephone line there r 4 colour cobles on the jock .
    Can an body tell me which of them is outgoing voice and outgoing voice?
  • Jul 30, 2011, 02:25 PM
    Stratmando

    The red and green pair is usually line 1 and carries all data and voice.
    Yellow and black pair is usually line 2, and carries both sides of voice and data as well.

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