7_3_03.txt

传真编程的一些文档

                                                         Table [T3.30], p.



                                                         Figure 3/T.30, p.





       3.1.3         Operating method 3


            Automatic operation at the calling station and  manual  opera-
       tion  at the called station. Figure 4/T.30 indicates the operator's
       and apparatus actions required to establish a call.
                                  H.T. [T4.30]

























       _____________________________________________________________________________________________________________
                                     Call event No.                                Calling station   Called station
       _____________________________________________________________________________________________________________
                                           1                                        {
          Equipment detects dial tone and dials desired number (see Note). To
            clearly indicate to a called operator that he is connected to a
        facsimile machine or to a normal telephone user that he is inadvertently
        connected, CNG will be transmitted to line during the time that signals
                             are attempted to be detected.
                                          Note
                     - An alternative procedure may be specified by
                                    Administrations.
                                            }
                                           2                                                          {
                        Call rings and operator answers the call
                                            }
                                           3                                                          {
        Operator detects CNG and switches facsimile machine to line (optionally
                                 CED may be generated)
                                            }
                                           4                                        {
                               Begin facsimile procedure
                            (see S 5 of this Recommendation)
                                            }                                       {
                               Begin facsimile procedure
                            (see S 5 of this Recommendation)
                                            }
       _____________________________________________________________________________________________________________

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                                                         Table [T4.30], p.



                                                         FIGURE 4/T.30, p.





       3.1.4         Operating method 4


            Automatic operation at both the calling and  called  stations.
       Figure 5/T.30  indicates  the  actions required by the apparatus to
       establish a call.
                                  H.T. [T5.30]




















       ____________________________________________________________________________________________________________
                                    Call event No.                                Calling station   Called station
       ____________________________________________________________________________________________________________
                                           1                                       {
          Equipment detects dial tone and dials desired number (see Note). To
         clearly indicate to a normal telephone user that he is inadvertently
        connected, CNG will be transmitted to line during the time that signals
                             are attempted to be detected.
                                         Note
                     - An alternative procedure may be specified by
                                   Administrations.
                                           }
                                           2                                                         {
                      Equipment detects ring and answers the call
                                           }
                                           3                                                         {
             Optionally, a recorded verbal announcement may be transmitted
                                           }
                                           4                                                        Transmit CED
                                           5                                       {
                               Begin facsimile procedure
                           (see S 5 of this Recommendation)
                                           }                                       {
                               Begin facsimile procedure
                           (see S 5 of this Recommendation)
                                           }
       ____________________________________________________________________________________________________________

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