Copyright © 2010 Future Technology Devices International Limited

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Document Reference No.: FT_000132

USB-COM485-PLUS1 Datasheet

Version 1.21

Clearance No.: FTDI# 95

Figure 2.10 Settings Tab

Then click on the “Advanced…” button.

Figure 2.11 Advanced Options

This will display the various advanced settings. Note the COM port assignment in the upper left. Clicking

on the drop-down list will display the available port numbers. Select one that is not in use and click OK

on each dialog box to activate the selection. Windows will remember this COM port number.

2.2.2 Mac OS X, Linux, Windows CE

Device drivers and FTDI installation guides for Mac OS X, Linux and Windows CE are available for

download on the FTDIChip web sites. Follow the respective FTDI installation guides for the chosen

operating system.

2.3 Local Echo

The ability to enable or disable local echo on the RS485 data is controlled by the setting in the FT232R

EEPROM. A free utility is provided to change the configuration. The default is for local echo to be disabled.