USB to RS232 Converter Cable In Pakistan

Description:

There are a lot of devices out there that still communicate over RS232 but we bet your new laptop isn’t one of them. Don’t worry, though, we’ve got you covered. This 6ft converter plugs into your computer’s USB port and provides you with a DB-9 RSR232 connection. After installing the drivers onto your Windows, Mac or RedHat Linux system, the FTDI chipset inside the cable will enumerate as a COM port with a baud rate adjustable to whatever setup you want to connect to.

We were curious what made this cable work, so we tore one open and found that it’s simply an FTDI FT232 paired with a Zywyn ZT213 USB to RS232 ConverteTransceiver. You can find the datasheets for those devices below as well as a link to the FTDI driver page. We’ve also uploaded a copy of the included drivers CD in zip format.

If you’re still trying to wrap your head around the world of USB cables, why not check out our USB Buying Guide?

How to Use:

Windows Drivers and Set-up for the USB RS-232 Adapter

Run the installer, then after rebooting, plug the USB end of the adapter into one of the USB ports on the computer.

NOTE: For Windows 7, please use RC build 7100 or RTM Final version. (Installer program will not run on early Windows 7 or Beta versions)

Check the software driver installation

1) Open the Device Manager dialog from Control Panel

  • Windows Vista: Start >> Control Panel >> System >> Hardware >> Device Manager
  • Windows XP: Start >> Control Panel >> System >> Hardware >> Device Manager
  • Windows 2000: Start >> Settings >> Control Panel >> System >> Hardware >> Device Manager
  • Windows 98/ME: Start >> Settings >> Control Panel >> System >> Device Manager

2) Click the plus sign (+) next to "Ports".

3) If the device is properly installed, "Serialio.com USB Serial Port" or "Prolific USB-to-Serial COM Port" will be displayed.

The software driver is properly installed, but the USB-RS232 adapter does not work as expected

One of the common reasons that software may not work as expected with a USB-Serial adapter when the device is properly installed, is many older programs (and even some new ones) only support a limited number of COM ports (e.g. only COM1 - COM4)

If the USB-RS232 adapter is installed as COM5, it may need to be reassigned to COM1 - COM4 to work with some software.

The following outlines how to to reassign the COM port on Windows XP/2K/Me/98SE

Windows XP

1) Follow steps 1-3 of "Check the software driver installation" above.

2) Right-click on the "Prolific USB to Serial Port", then click Properties

3) Click on the "Port Settings" tab. Click the "Advanced" button.

4) In the "COM Port Number" drop-down select the desired port number. For example if the software requires COM2, select COM2. Note the COM port must have "(in use)" listed next to it, if it does then another device with that name is already installed in the system. After selecting the desire port number, click "OK."

5) Click "OK" again, and the device will show up as being on the same COM port that it was before (i.e., COM5), but should show up on the selected port name when the Device Manager dialog is closed and opened again.

6) Close the Device Manager. Launch the software to use with the new COM port.

Windows 2000, Me, and 98 SE (Second Edition)

1) Follow steps 1 2 of "Check the software driver installation" above.

2) Right-click on the "Prolific USB to Serial Port", then click Properties.

3) Click on the "Port Settings" tab. Click the "Advanced" button.

4) Uncheck "Use automatic settings".

5) Select "Input/Output range". Click on "Change Settings".

6) Type "02E8-02EF" in the Value box. This value will change the port to COM 4. If COM 4 is in use, you must choose another port. The values for each port are.

  • COM 1: 03F8-03FF
  • COM 2: 02F8-02FF
  • COM 3: 03E8-03EF
  • COM 4: 02E8-02EF

7) Enter the value, then click OK. Click OK again, then click Yes when the "Creating a Forced Configuration" window appears. Click OK.

8) Restart the computer. The Device Manager can be checked, to see the COM port change.

USB - RS232 (Serial) Adapter Windows Desktop/Server Installation

Includes:

  • USB to RS232 Converter Cable
  • Driver CD

Documents:

Replaces: CAB-10270

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