SIM7600 CMUX multiplexer with Beaglebone board

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    Parthasarathy S

    I am trying to get the multiplexer working on SIM7600 with the Beaglebone board thru UART2. Using ldattach utility of linux. ldattach runs without any error. It also creates the gsmtty devices.
    After that cannot open any of the 4 ports. /dev/gsmtty[1-4]. Anyone has info on this.

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