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Text File  |  1987-02-01  |  2.0 KB  |  45 lines
  1.  
  2.  
  3.  
  4.  
  5.     RS-232C       Cable        Signal Name            Signal
  6.      Name          Pin #                     Direction
  7.  
  8.       AA        1     (Chassis Ground)         Common
  9.       BA        2     TxD (Transmit Data)         Output
  10.       BB        3     RxD (Receive Data)         Input
  11.       CA        4     RTS (Request To Send)         Output
  12.       CB        5     CTS (Clear To Send)         Input
  13.       CC        6     DSR (Data Set Ready)         Input
  14.       AB        7     SG (Signal Ground)         Common
  15.       CF        8     DCD (Data Carrier Detect)   Input
  16.       CD           20     DTR (Data Terminal Ready)   Output
  17.       CE           22     RI (Ring Indicator)         Input
  18.  
  19.  
  20.              AT DB9 To DB25 Pinouts
  21.              ----------------------
  22.  
  23.             DB9 (AT)           DB25 (MODEM)
  24.                ---              ----
  25.  
  26.             1      <--DCD---       8
  27.             2      <--RxD---       3
  28.             3      ---TxD-->       2
  29.             4      ---DTR-->      20
  30.             5      ----SG---       7
  31.             6      <--DSR---       6
  32.             7      ---RTS-->       4
  33.             8      <--CTS---       5
  34.             9      <---RI---      22
  35.  
  36.                  Parts Required
  37.                  --------------
  38.  
  39.            1- 3 foot nine (9) conductor SHIELDED cable
  40.            1- DB9S FEMALE connector with hood assembly
  41.            1- DB25P MALE connector with hood assembly
  42.  
  43.        Note: Hood assemblies should be metal or metalized plastic
  44.          for EMI/RF protection
  45.