Cable-S X.25 Attachment V.35

      FFC 273     PN07F3171 10ft             ____________________________
                  PN53F3928 20ft            | Signal   | System | Device |
                                            |__________|________|________|
                 System End                 | RTS      |    4   |    C   |
   19           DB-37 Female            1   | CTS      |    5   |    D   |
   _|___________________________________|_  | DSR      |    6   |    E   |
  | o o o o o o o o o o o o o o o o o o o | | Ground   |    7   |    B   |
   \ o o o o o o o o o o o o o o o o o o /  | CD       |    8   |    F   |
     |_________________________________|    | Rx Clk-B |   16   |    X   |
    37                                20    | TD-B     |   17   |    S   |
                                            | Tx Clk-B |   18   |    AA  |
                 C   34-Pin Male            | RD-B     |   19   |    T   |
  Device End   __|________________          | DTR      |   20   |    H   |
              |  . . . . . . . .  |         | CI       |   22   |    J   |
           A----. . . . . . . . . |         | Rx Clk   |   34   |    V   |
              |  . . . . . . . .  |         | TD-A     |   35   |    P   |
           B----.|. . . . . . . . |         | Tx Clk   |   36   |    Y   |
              |__|________________|         | RD-A     |   37   |    R   |
                 D                          |__________|________|________|