Cable-X EIA-422A 4port Multiprotocol (cust suppl) Port 0 only


                                  .---------------------------------.
   13      System End       1     | Signal Name |  System  | Device |
   _________________________    |---------------------------------|
   o o o o o o o o o o o o o    | Ground Shield          |        |
   \ o o o o o o o o o o o o /    | TxA or +TD  |   2      |   -    |
     _____________________      | RxA or +RD  |   3      |   -    |
    25    DB-25 Female    14      | TxB or -TD  |   4      |   -    |
                                  | RxB or -RD  |   5      |   -    |
                                  | Sgnl Grnd   |   7      |   -    |
                                  | -Rx Clk(B)  |  17      |   -    |
           Device End             | +Rx Clk(A)  |  22      |   -    |
        (Customer-supply)         | +Tx Clk(A)  |  23      |   -    |
                                  | -Tx Clk(B)  |  24      |   -    |
                                  '---------------------------------'