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Text File  |  1988-09-24  |  1KB  |  67 lines
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  7.     RS-232C                   Null Modem Cable                     RS-232C
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  9.     2  ----------Transmit Data-----\  /-------------------------------  2
  10.                                     \/
  11.                                     /\
  12.     3  <---------Receive Data------/  \-------------------------------> 3
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  14.     4  ----------Requist To Send--\  /--------------------------------  4
  15.                                    \/
  16.                                    /\
  17.     5  <---------Clear To Send----/  \------------------------------->  5
  18.               |                                               |
  19.     8  <------|     ....... Data Carrier Detect .......       |------>  8
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  21.     7  ---------------------------------------------------------------  7
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  23.     20 ----------Data Terminal Ready--\  /---------------------------- 20
  24.                                        \/
  25.                                        /\
  26.     6  <---------Data Set Ready-------/  \--------------------------->  6
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