StarTech.com ICUSB422 - Manual (Page 5)

Instruction Manual
2
3. If a Windows Security dialog window appears, click the “Install this driver software
anyway” option to proceed.
4. Once the driver is installed, click the Close button.
Verifying Installation
Windows 2000/Server 2003/XP/Vista/7
From the main desktop, right-click on “My Computer” (“Computer” in Vista), then select
Manage. In the new Computer Management window, select Device Manager from the
left window panel.
Double-click on the “Ports (COM & LPT)” option. An additional USB serial COM port
should be visible. The port is ready to connect to new devices.
DIP Switch Settings
Switch Switch Name
Switch
Position
Description
1 485/422
485
(default)
2-wire RS-485 mode
422 4-wire RS-422 mode
2 Echo/No Echo
Echo
Transmitting data will be
echoed back.
No Echo
(default)
No data echo
3 No Term/Term
No Term
(default)
Terminator resistor is disabled
Term Terminator resistor is enabled
4 None On/Off Switch is not enabled