DS_USB-COM422-PLUS1 View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'DS_USB-COM422-PLUS1' PDF : 23 Pages View PDF
1.4 Features
Document Reference No.: FT_000131
USB-COM422-PLUS1 Datasheet
Version 1.1
Clearance No.: FTDI# 94
Adds one RS-422 serial port by connecting to USB
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
FIFO: 128 byte transmit buffer, 256 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 3Mbps
Serial Communication Parameters
o Parity: None, Even, Odd
o Data bits: 7, 8
o Flow control: RTS/CTS , X-ON/X-OFF, None
One 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
12Mbps USB 2.0 Full-Speed
Standard baud rates (300bps to 921.6Kbps)
RS422 Interface
Custom baud rates (300bps to 3Mbps) through baud rate aliasing. See
FTDI Application Note: Configuring FT232R, FT2232 and FT232BM Baud
Rates
Max Cable Length
USB=5m, RS422=12m
Table 1.2 Performance Figures
Part Number
Description
USB-COM422-Plus1
USB-COM-Plus Full-Speed USB to 1-Port RS422 module
Table 1.3 Ordering Information
Copyright © 2010 Future Technology Devices International Limited
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