Installation guide

Active USB-COM Port Driver Installation Guide
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2.6 How to use Microsoft ActiveSync through CU (Windows
XP only)
If you need to use the Microsoft ActiveSync through the CU-221 or CU-421 as a IrDA device,
the installation of the “Serial Cable using IrDA Protocol” driver is needed.
1) Open “Add Hardware Wizard” on the control panel.
2) Click “Next>” button on the following welcome dialog.
3) Select “Yes, I have already connected the hardware" and click “Next>” button.