This USB 2.0 to RS422 / RS485 Serial Converter allows any USB equipped PC/Notebook to utilise the 9 Way serial RS422/RS485 port for use with serial devices such as CCTV / Video Systems, EPOS equipment, Terminal Devices, Industrial Equipment & including software that uses the RS422/RS485 Serial Standard or RS-422 / RS-485 Port.

Connect to any standard RS422 serial device via USB or any RS485 device!

Bidrectional which allows you to send and receive data simulataneously when using RS-422.

This FTDI based USB to RS422 / RS485 Serial Adapter Supports multiple terminals up to a maximum of 32 RS-485 devices provides an external plug & play RS422/RS485 serial connection with your computer via a spare USB port.


Just simply connect a RS422/RS485 compatible serial device to the USB2.0 to RS422/RS485 adapter with the supplied DB9 Pin to 6 Pin Header and then plug this into a spare USB port on a PC/Laptop.


Use two devices connected as shown below and our SimpleTerm software to do a loop back test and see your data being transmitted and received.
 

• Uses the highly regarded FTDI FT232R IC for superb quality, performance, reliability and compatibility.
• Provides RS422 / RS485 Serial Interface Port via any spare USB port
• Fully compliant with USB specification 2.0 (Backward compatible to USB 1.1)
• Provides a DB9 Male (9 Way) Serial RS485 port to connect your devices.
• Supports data transfer rates from 300bps to up to 3Mbps (3Mbps at short bursts & short distances but longer lengths shall reduce performance)
• Supports Remote Wake Up and Power Management Features
• Supports Hot Swapping so you can quickly switch serial devices without shutting down your PC/Laptop
• Features an Enhanced ESD Protection Specification. +/-15KV HBM. +/- 15KV IEC10000-4-2 Air Discharge. +/- 8KV IEC1000-4-2 Contact Dischareg.
• Combined with a 9 Pin to 6 Pin Terminal Block Converter as standard to allow you to make RS422 or RS485 connections to your devices without purchasing any extra equipment.
• Installed as a standard Windows COM port,
• Easy Installation and the FTDI USB to RS422 / RS485 Adapter

For RS422 connections on 9W D Male connector:
Pin1: TX+
Pin2: TX-
PIN3: RX+
PIN4: RX-
PIN5: GND 
PIN6: +5V (output from USB) - can be used to power your own devices but do not attempt to take more than 400mA from this port.


This device also comes with a 9WD to 6-pin terminal for easy wiring.

For RS485 connections use PIN 1 to PIN 4 Only
Screw Terminal Pinout:
Pin1: T/R+
Pin2: T/R-
PIN3: GND
PIN4: +5V (output from USB) - can be used to power your own devices but do not attempt to take more than 400mA from this port.

For RS422 connections use PIN 1 to PIN 6
Screw Terminal Pinout: 
Pin1: T/R+
Pin2: T/R-
PIN3: GND
PIN4: +5V (output from USB) - can be used to power your own devices but do not attempt to take more than 400mA from this port.
PIN5: RXD+
PIN6: RXD-

Supports OS: