| 摘要 |
PURPOSE:To enable to transmit either of Dp or MFC signal to the selection contact, by providing the Dp and MFC signal transmission function in the register signal transmission trunk. CONSTITUTION:In the register signal transmission trunk, Dp and MFC signal transmission function is provided. Further, after the reception of dial pulse, ICT start is made and when it is finished, the S, T pattern relay of the main trunk is operated and the signal selection contacts t<1>, t<2> are closed. On the other hand, the drive pulse from the signal distributor SD is relayed with the dial pulse delivery relay and Dp signal is delivered to the opposing station. Further, even if the register signal Dp is converted to MFC, it can be used as the MFC register signal transmission trunk with the control of the pattern relay S and T. |
