Microcom 438TM Operator's Manual page 16

Getting Started Chapter 3
Click "Continue Anyway" if this dialog box pops up.
The next step is to install the D2xx.dll. While this is a communication port (RS-232)
emulator, no configuration of the RS-232 port is required.
Once installed, the FTDI USB device will show up as a USB SERIAL PORT (COMx) listed
under the "COMM PORTS AND LPT" within Device Manager. The "x" indicates the COMM
port number this will be used for that USB port connection to the printer.
Connect the power cable and the USB cable to the printer and turn the printer on. If already
connected, disconnect USB and then reconnect the USB. The FTDI USB device should
now recognize and install.
3.5 Optional Ethernet Communication Interface
The printer provides two options to add an ethernet port to the printer. The printer Ethernet
port must be properly set up and the printer active port must be set to Ethernet, see the
^D108 command for more information.
The first option is a legacy option that uses an Xport converter that communicate like an
Ethernet connection but on a serial channel inside the printer. This means that the speed is
limited to 115200 baud rate.
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