FTDI Chip USB to RS485 (Quad) Adapter Board - USB-COM485-Plus4

  • RS Stock No. 687-7758
  • Mfr. Part No. USB-COM485-Plus4
  • Manufacturer FTDI Chip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

FTDI Chip USB To Rs485 Adapter Board

The FTDI chip USB to RS485 adapter board incorporates FTDI’s FT4232H Hi-Speed USB2.0 (480Mb/s) to quad serial UART interface IC device. It handles all the USB signalling and protocols. The adaptor provides a fast and simple way to connect devices with an RS485 interface to USB. The integrated electronics circuit utilise the FT2232H and include RS485 level shifters plus TXD/RXD LEDs to provide a visual indication of data traffic through the module. This module uses a standard USB mini-B device connector for connection to an upstream host or hub port. This board supports Windows Server 2008, 2003, Vista, XP, 2000, Windows CE, Linux, and Mac OS X.

Features and Benefits

Adds four RS-485 serial ports by connecting to a USB 2.0 Hi-Speed interface
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
Data transfer rate is up to 10Mbps
Easy plug & play installation
Installs as a standard Windows COM ports
LEDs indicate USB enumeration, RxD, TxD for monitoring port status and easy diagnostics
Operates with USB 1.1 & 2.0 Host and Hub ports
Operating temperature ranges between -40°C and 85°C
Powered by USB port, no external power adapter required
Two modes: Echo and non-echo


Embedded system


ANSI/ESD S20.20:2014
BS EN 61340-5-1:2007

Attribute Value
Kit Classification Development Kit
73 In Global stock for delivery within 4 - 8 working days
Price Each
PHP 3,384.86
(exc. VAT)
PHP 3,791.04
(inc. VAT)
Per Unit
1 +
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