4-Port RS-232 USB to Serial Adapter – Octopus Cable DIN Rail

USB to RS232 Industrial Serial Adapter

Compact Industrial RS232 Serial Adapter bringing 4 DB9 RS232 Ports from one simple connection. Helps expand your system COM ports without the use of additional resources

  • Includes the RS232 4 Port Octopus Cable.
  • Rugged and compact industrial design for use in hash environments with little space.
  • Includes DIN-Rail mounting brackets to add mounting options.
  • Compliant with USB 2.0 technology specifications.

$109.95

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Units Price
1 - 4 $109.95
5 - 11 $106.65
12 - 24 $104.45
25 - 49 $102.25
50+ $98.96

Also available from:

Model No. USB2-4COM-M-CBL

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Description

USB 2.0 Industrial RS232 Serial Adapter with Breakout Cable and FTDI

Designed to make serial port expansion very simple this RS232 serial adapter connects to a USB port on your computer or USB hub and instantly adds 4 serial communication ports to your system.

Automatically detected and installed, the USB2-4COM-M-CBL serial adapter presents no IRQ & COM port conflicts because it doesn’t require any additional IRQ, DMA, memory as resources on the system. The RS-232 port functions as native Windows COM port, and it is compatible with Windows serial communication applications.

RS232 Industrial Adapter Features

  • Adds Four industrial RS-232 serial ports by connecting to a USB port
  • Compact size box can be mounted to DIN rail conveniently
  • Octopus cable fanning out to 4 DB9 serial ports
  • Installed as standard Windows COM port
  • SECC metal chassis with DIN rail bracket
  • Hardware/software flow control
  • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, GND
  • High speed serial port with the baud rate up to 921.6K bps
  • 128 byte transmit FIFO & 384 byte receive FIFO
  • Non-standard baud rates supported
  • LEDs of Power, TxD and RxD for easy port monitoring and diagnostics
  • Serial port protected with surge protection of 10KV
  • Powered by USB port, no external power adapter required
  • Easy plug and play installation and RS-232 device connection
  • COM port number assigned can be changed to any COM port number required
  • Works with USB 1.1 & 2.0 host port
  • Supports Windows 8, Windows 7, Vista, 2003, XP, 2000 and Linux

Dimensions

122.22mm(L) x 69.85mm(W) x 31.75mm(H)

Package Contents

  • 4 port RS232 USB to serial adapter
  • Din Rail mounting brackets and screws
  • USB A to B cable
  • 4 port serial octopus cable
  • Driver Disc
Specifications

Product Specifications

Identifier
Product Type

Adapters > USB > Serial

Compliance
Country of Origin

Taiwan

Certifications

,

Compliance

RoHS, TAA

Mechanical
Color

Black

Mounting Style

Din-Rail (Optional Bracket)

Ports

4 Serial Ports

USB
USB Type

USB 2.0

Screw Lock Compatible

Yes

Serial Attributes
Serial Standards

RS232

Software
OS Support

Linux, Win 7, Win 8, Win Vista, Win XP

Environmental
Operating Temperature

0C to 55C

Other Data
Connector

DB9 Male w/ Nuts

Weight

1.469 lbs

Dimensions

8.625 × 5.500 × 2.375 in

Technical
USB Bus
Compliance USB 1.1/2.0 compatible
Speed 480 Mbps, hi-speed USB
FIFO 128 byte transmit FIFO
384 receive FIFO
   
Serial Interface
Port Type RS-232
Number of Ports 4
Connectors DB9 male
Extension cable

DB37-to-4 DB9 cable, 30cm , or
DB37-to-4 DB25 cable,30cm

   
Serial Line Protection
ESD Protection 10KV
   
Serial Port Speed
Baudrate 300 bps to 921.6k bps
   
Serial Communication Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF
   
Serial Signals
RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI
   
Driver Support
OS Windows 7, Vista, 2003, XP (WHQL certified) and 2000
Linux Kernel 2.6.3.1 and up built-in support
   
Power Supply
Input Bus-powered
No external power adapter required
   
Mechanical
Chassis SECC metal chassis with DIN rail bracket
   
Environmental
Operating Temperature 0 to 55 °C (32 to 131 °F)
Operating Humidity 5 to 95% RH
Storage Temperature -20 to 75 °C (-4 to 167 °F)
Safety Approvals CE, FCC
Optional Accessories

Optional Accessories

The 4-Port RS-232 USB to Serial Adapter has certain accessories that work with it. These accessories are what you can order if needed.

USB 2.0 Cable for close connections Use this USB 2.0 cable to connect your desktop or laptop using a USB hub, printer, or scanner. Transfer…

Model# USB2-AB

$2.95$10.95

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Support

Product Documentation & Drivers


Need drawings, CAD files, or other compliance documentation? Click HERE

Serial F.A.Q.

Product F.A.Q.

View frequently asked product questions below. For all serial troubleshooting, visit this page.
Still need help? Reach out!

  • How do I clean and reinstall my FTDI drivers?
      1. Download the CDM Uninstaller HERE.
      2. Extract the zip file, or open the “CDMuninstallerGUI.exe” utility.
      3. Leave the ‘Vendor ID’ set to 0403 and ‘Product ID’ set to 6001.
      4. Click Add.
      5. Click Remove Devices.
      6. Download the corresponding driver for your operating system and follow on-screen prompts. Windows Driver | MacOS Driver

    Video tutorial here.

  • How can I change my device’s COM port?
      1. Click on Start and navigate to the Control Panel
      2. Locate and click on Device Manager
      3. Under “Ports (COM & LPT)” you will find your serial device titled “USB Serial Port” along with its current COM Port.
      4. Right click on “USB Serial Port” and click on Properties.
      5. Navigate to the “Port Settings” tab and click on “Advanced…”
      6. Once there, the “COM Port Number:” can be changed with a dropdown menu to select the port number.
      7. Click your desired port number (i.e. COM2) and click “OK”.
      8. Click “OK” once more.
      9. Your serial device is now assigned to your chosen COM Port.

     

  • How do I check to ensure the COM port is listed properly in Windows?
    To ensure your serial device is installed properly, complete the following:

    1. Press Windows Key + R to open the Device Manager. Once Run comes up, type “devmgmt.msc” into the text field and press Enter.
    2. Expand the section labeled, Ports (COM & LPT).
    3. You should now see a COM number in brackets to the right of each port. If the device is installed properly, no exclamation points or question marks should be present next to the device.
  • I have everything hooked up, but nothing is functioning correctly.
    To rule out potential issues, quickly test your individual components to ensure that they are working correctly individually, and are not the source of the problem:

    • Serial cables
    • Serial ports
    • Serial devices

    Test your components by:

    • Hook up the serial cable(s), serial port(s), and serial device(s) in a different setup to see if the issue stems from a particular component, or the setup as a whole.
    • Replace the serial cable, port, or device within your setup to further troubleshoot the issue’s origin.

    When testing cables:

    • Test each cable individually.
    • Use short cables when you are testing.

    When testing serial ports and devices:

    • Press the Windows key + R, in Run, type devmgmt.msc, and press Enter to open the Device Manager. You can then check to see if your device is listed under Ports (COM & LPT).
    • Ensure that the COM port number is the correct number for the serial device and that the software being used to connect the computer to the serial device uses the correct COM port number.
    • If the device is listed with an error, follow the instructions on the website to reinstall the drivers.
  • Serial communication is not functioning correctly, how can I tell if the problem caused by the adapter or my serial software application?
    Older serial communication applications make use of legacy hardware addresses, often incompatible with PCI, PCIe, and USB to Serial products. Contact the software provider to troubleshoot.
  • I am receiving an error when I try to install the drivers in Windows 8 64 bit.
    Driver Signature Enforcement in Windows 8 may need to be disabled in order to use various drivers. After disabling this feature, the driver will be allowed to install.

    Note: You are required to restart your computer after disabling the Driver Signature Enforcement. Save all open work on your computer.

    Disable driver signature enforcement:

    1. Press the Windows key + C.
    2. Click Settings > Change PC Settings.
    3. In the left pane, click General.
    4. In the right pane, under Advanced startup, click Restart now.

    When your system restarts:

    1. Click Troubleshoot > Advanced options > Startup Settings > Restart.
    2. Press 7.

    When your computer restarts, Driver Signature Enforcement will be disabled and you can install the drivers.

  • I am receiving an error when I try to install the drivers in Windows 10 64 bit.
    Driver Signature Enforcement in Windows 10 may need to be disabled in order to use various drivers. After disabling this feature, the driver will be allowed to install.

    Note: You are required to restart your computer after disabling the Driver Signature Enforcement. Save all open work on your computer.

    Disable Driver Signature Enforcement:

    1. Click the Windows icon in the taskbar.
    2. Click Power.
    3. Press and hold the Shift key and click Restart.

    After your computer restarts:

    1. Click Troubleshoot Advanced Options Startup Settings Restart.
    2. Press 7.

    When your computer restarts, Driver Signature Enforcement will be disabled and you can install the drivers.

  • Why did the software not install properly in macOS High Sierra (10.13) or later?
    High Sierra 10.13 and later versions of macOS enforce strict security policy revisions. In order for the device to operate, software packages like those used in this installation must be allowed in macOS Security and Privacy settings once the software is installed.

    Once the driver/software is installed, follow these steps to allow the software:

    1. Open System Preferences.
    2. Open Security & Privacy.
    3. Click the Allow button near the bottom of the General tab.
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