USB-COM485-PLUS2 FTDI, USB-COM485-PLUS2 Datasheet - Page 4

• Manufacturer Part Number: USB-COM485-PLUS2
• Description: Interface Modules & Development Tools USB HS to RS485 Conv Assembly 2 DB9 Ports
• Manufacturer: FTDI

Specifications of USB-COM485-PLUS2

• Interface Type: USB, RS-485
• Data Bus Width: Serial
• Operating Supply Voltage: 5 V
• Product: Interface Modules
• For Use With/related Products: FT2232H
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: USB-COM485-PLUS-2

1.4
1.5
Table 1.2 - Performance Figures
Table 1.3 - Ordering Information
Parameter
USB Interface
RS485 Interface
Max Cable Length
Part Number
USB-COM485-PLUS2
Features
Performance Figures
Adds dual RS-485 serial port by connecting to a USB 2.0 Hi-Speed interface.
Easy plug & play installation and RS-485 device connection
Operates with USB 1.1 & 2.0 Host and Hub ports
Industry Standard FTDI chip set & device drivers for maximum compatibility
Microsoft Windows
Installs as a standard Windows COM port
COM port number can be changed to any available COM port number, to support HyperTerminal,
or any other serial communications software application running in Windows
Supports Windows Server 2008, 2003, Vista, XP, 2000, Windows CE, Linux, Mac OS X
FIFO: 4K byte transmit buffer, 4K byte receive buffer
RS-485 data signals: Data+, Data-, GND
Powered by USB port. No external power adapter required. +5V output available.
Serial port speed up to 10Mbps
Serial Communication Parameters
Two DE-9P male connector
LEDs indicate USB Enumeration, RxD, TxD for monitoring port status & easy diagnostics
Operating temperature of -40°C to +85°C
Echo and non-Echo two modes can be selected.
o
o
o
Parity: None, Even, Odd
Data bits: 7, 8
Flow control: X-ON/X-OFF, None
Copyright © 2010 Future Technology Devices International Limited
®
Performance
480Mbps USB 2.0 Hi-Speed
Standard Windows baud rates (300bps to 921.6Kbps)
Custom baud rates (300bps to 10Mbps) through baud rate aliasing.
See FTDI Application Note:
Baud Rates
USB = 5m, RS485 =12m (at 10Mbps)
Description
USB-COM-Plus Hi-Speed USB to dual-Port RS485 module
WHQL-certified, Mac OS X, Linux and Windows CE device drivers
Configuring FT232R, FT2232 and FT232BM
Document Reference No.: FT_000136
USB-COM485-PLUS2 Datasheet
Clearance No.: FTDI#104
Version 1.2
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