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图中所示的开关电路可以有选择地将终端、个人计算机或其它发端设备(DTE)连接到4个接收器之一(如调制器和打印机)。使用一姆指旋转开关就可选择你所要连接的设备。本电路传送波特率可达19.2K而不会有信号衰变和串扰。 4只DG509A双四通道多路器开关切换8根标准RS-232C信号线。该器件功耗电流仅为
The switching circuit shown in the figure can selectively connect a terminal, personal computer, or other originating device (DTE) to one of four receivers (such as a modulator and a printer). Use a thumbswitch to select the device you want to connect. The circuit transmission baud rate up to 19.2K without signal degradation and crosstalk. Four DG509A double four-channel multiplexer switch to switch eight standard RS-232C signal lines. The device consumes only current