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2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

Product ID: ICUSB2324852

Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB

Features
  • Backwards compatible with USB 1.1

  • USB-powered; No additional external power adapter required

  • Both ports can function simultaneously with mixed or matched communication protocols

More Features . . .
  • Includes a bracket for wall mounting the USB to Serial adapter

  • Features rugged screw-lock USB port to ensure cords are not accidentally disconnected

  • Ability to rename devices for easy recognition

  • COM Port assignments maintained after reboot

  • Port 1 (DB9) configurable for RS232, RS422, or RS485; Port 2 (Terminal Block) configurable for RS422 or RS485

  • Multiple interface modes, including: 4 wire RS422(TxD+/-, RxD+/-), and 2 wire RS485 (DATA+, DATA-)

  • Supports RS-485 Auto Transceiver Turn Around by Unique Featured ATTA Hardware

  • External power adapter can be used (not required) if your device needs extra power beyond what the USB host can provide

  • Transmission Echo for RS485 collision detection

  • USB to 2 Port Straight-Through RS232/422/485 Serial Adapter

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Available in
£106.99 GBP exc VAT
£128.39 inc VAT

ID: ICUSB2324852

In stock:
United Kingdom: 2

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The ICUSB2324852 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention lets you connect every type of serial device to your USB-enabled computer, whether it be for RS232, RS422, or RS485 communication. The adapter features a 9-pin (DB9) male and a 5-pin terminal block serial connector as well as dip-switch controls for easy port configuration with minimal software requirements. The adapter also supports using 2 ports simultaneously, including with mixed protocols; for example RS-232 on port 1, and RS-485 on port 2, or a number of other combinations.

For a convenient, and clean installation in office or industrial settings, the RS232/RS422/RS485 USB Adapter is wall-mountable and fully powered via the host USB connection, providing power to the attached serial device without requiring an external power adapter.

Backed by a StarTech.com 2-year warranty and free lifetime technical support.

The StarTech.com Advantage
  • This single adapter is compatible with any serial device protocol (RS232, RS422, and RS485), and even allows mixing protocols for simultaneous communication over both ports
  • COM retention saves the assigned port settings for the device, so disconnecting/reconnecting is hassle-free
  • USB Powered - no power outlet required, and no cumbersome AC adapter to carry around
Common Customer Questions

View FAQs...

Compatible With

View full OS compatibility

Windows® CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Mac OS X® 10.6 to 10.13
Linux 2.4.x to 4.4.x LTS Versions only

Applications
  • Adapting and expanding POS systems
  • Great for Industrial programmers looking to test new code with serial devices
  • Connect serial RS232, RS422, or RS485 devices to notebooks or tablet PC’s through the USB port
  • Perfect for controlling, monitoring, and diagnosing manufacturing machines (CNC, Process Control Equipment, Bar Code Scanners, Serial Printers)
  • Security device control (key panels, cameras, card readers)
Product Numbers
Warranty Information
Warranty 2 Years
Hardware
Bus Type USB 2.0
Chipset ID FTDI - FT2232H
Interface Serial
Port Style External Hub
Ports 2
Performance
Data Bits 7, 8
FIFO 128 Bytes
Flow Control Xon/Xoff, Hardware, and None
Max Baud Rate 921.6 Kbps
Parity Odd, Even, Mark, Space, and None
Serial Protocol RS-232/422/485
Stop Bits 1, 2
Connector(s)
Connector Type(s) 1 - USB Type-A (4 pin) USB 2.0 Male
External Ports 1 - DB-9 (9 pin, D-Sub) Male
1 - Terminal Block (5 Wire)
Software
OS Compatibility Windows® CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Mac OS X® 10.6 to 10.13
Linux 2.4.x to 4.4.x LTS Versions only
Indicators
LED Indicators 1 - Red - Power LED
Power
Center Tip Polarity Positive
Output Current 0.385A
Output Voltage 5 DC
Plug Type B
Power Source Not Included (not required for standard applications)
Environmental
Humidity 5~95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Physical Characteristics
Color Gray
Enclosure Type Plastic
Product Height 23.2 mm [0.9 in]
Product Length 82.3 mm [3.2 in]
Product Weight 300 g [10.6 oz]
Product Width 44.2 mm [1.7 in]
Packaging Information
Shipping (Package) Weight 310 g [10.9 oz]
What's in the Box
Included in Package 1 - Wall mounting bracket
1 - USB to RS232/RS422/485 Adapter
1 - USB A to B Cable
1 - Driver CD
1 - Installation Guide
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Rating: 5 /5

The serial Modbus testing solution

I used this device in combination with a Modbus simulation program with success setting up serial communication between devices. Trouble free driver install on a Windows 7 laptop and straightforward directions setting up the serial protocol (my case RS 485)

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