USB-COM422 Datasheet, PDF (4/24 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd

1.4 Features
Document Reference No.: FT_000135
USB-COM422-PLUS2 Datasheet
Version 1.2
Clearance No.: FTDI#103
Adds dual RS-422 serial port by connecting to a USB 2.0 Hi-Speed interface.
Easy plug & play installation and RS-422 device connection
Works with USB 1.1 & 2.0 Host and Hub ports
Industry Standard FTDI chip set & device drivers for maximum compatibility
Microsoft Windows^® WHQL-certified, Mac OS X, Linux and Windows CE device drivers
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-422 data signals: TxD+, TxD-, RxD+, RxD-, RTS+, RTS-, CTS+, CTS-, GND
Powered by USB port. No external power adapter required.
Serial port speed up to 10Mbps
Serial Communication Parameters
o Parity: None, Even, Odd
o Data bits: 7, 8
o Flow control: RTS/CTS , X-ON/X-OFF, None
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
1.5 Performance Figures
Parameter
Performance
USB Interface
480Mbps USB 2.0 High-Speed
Standard Windows baud rates (300bps to 921.6Kbps)
RS422 Interface
Custom baud rates (300bps to 10Mbps) through baud rate aliasing.
See FTDI Application Note: Configuring FT232R, FT2232 and FT232BM
Baud Rates
Max Cable Length
USB=5m, RS422=12m (for 10Mbps)
Table 1.2 - Performance Figures
Part Number
Description
USB-COM422-Plus2
USB-COM-Plus Hi-Speed USB to dual-Port RS422 module
Table 1.3 - Ordering Information
Copyright © 2010 Future Technology Devices International Limited
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