USB-COM485-PLUS-2 FTDI, USB-COM485-PLUS-2 Datasheet - Page 10

• Manufacturer Part Number: USB-COM485-PLUS-2
• Description: MODULE, DEV, USB-RS485, 2 COM PORT
• Manufacturer: FTDI
• Type: Developmentr

Specifications of USB-COM485-PLUS-2

• Mcu Supported Families: FT232R, FT2232, FT232BM
• Kit Features: Works With USB 1.1 & 2.0 Host And Hub Ports, FIFO
• Svhc: No SVHC (18-Jun-2010)
• 2.0 Host And Hub Ports, Fifo: 4KB Transmit Buffer, 4KB Receive Buffer
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document Reference No.: FT_000136
USB-COM485-PLUS2 Datasheet
Version 1.2
Clearance No.: FTDI#104
COM Port Assignment
Next, to determine which COM port has been assigned, open the Windows Device Manager from the
System Control Panel.
Figure 2.7 - Device Manager
Click on the Plus “+” sign next to the Ports tree and Universal Serial Bus controllers tree to list the
available USB device. You will see two additional “USB Serial Port”, followed by a COMn assignment.
And two additional “USB Serial Converter A” and “USB Serial Converter B”.
Figure 2.8 - COM Port and USB Device name Assignment
To determine which COM port has been assigned to Converter A or B, the cursor point to the USB Serial
Port (COM10) or (COM11), then right-click on it and select “Properties”, it shows their relationship to the
Converter A or B.
In the figure below, the Converter A is assigned to COM10, Converter B is assigned to COM11.
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