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How do I connect a channel bank to my T1/E1 card?
To connect to a Channel Bank, you will need a T1 crossover cable. The
pin outs are 1, 2, 4, 5

    1 - 4
    2 - 5
    4 - 1
    5 - 2

The transmit/recieve pins are as follows:
    1: RX-
    2: RX+
    4: TX-
    5: TX+
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