USB-COM485-PLUS2 datasheet(4/24 Pages) FTDI

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Document Reference No.: FT_000136

USB-COM485-PLUS2 Datasheet

Version 1.3

Clearance No.: FTDI#104

1.4 Features

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® 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-485 data signals: Data+, Data-, GND

Serial port speed up to 10Mbps

Serial Communication Parameters

Parity: None, Even, Odd

Data bits: 7, 8

Flow control: 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

Echo and non-Echo two modes can be selected.

1.5 Performance Figures

Parameter

Performance

USB Interface

480Mbps USB 2.0 Hi-Speed

RS485 Interface

Standard Windows baud rates (300bps to 921.6Kbps)

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, RS485 =12m (at 10Mbps)

Table 1.2 - Performance Figures

Part Number

Description

USB-COM485-PLUS2

USB-COM-Plus Hi-Speed USB to dual-Port RS485 module

Table 1.3 - Ordering Information

USB-COM485-PLUS2 Fiches technique(PDF) 4 Page - Future Technology Devices International Ltd.

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