Xircom CEM33 (International models) Driver Download

Download the latest version of the CEM33 (International models) driver for your computer's operating system. This driver - "cem33iup.exe" - has been downloaded 653 times and is rated 5 out of 5 stars based on 12 reviews. The total disk space used for this update is 191.8 KB.

12 Ratings

Supported Models

CEM33 (International models)



File Name



Additional Notes

Firmware Upgrade

"Models covered CEM33

Does NOT Support U.S./CANADA CEM33, CEM2, CEM

Disk 3 of 3

Now includes XCOMMON.EXE Ver. 2.03 a Windows based COM Port Monitoring Program.

Special Note

Special Note for Australian users. Please click here to get the latest Firmware which resolves issues with dial tone detection in Australia.

You should also obtain CEM33INS.EXE and CEM33DRV.EXE which contain install software & drivers for the product.

MODEMLED.EXE COM Port Monitoring Program Ver. 1.02 has been replaced with xcommon.exe Ver. 2.03 and can be found on the Flash Upgrade of CEM33IUP.EXE."

Uploaded By

DriverGuide (DG Staff Member) on 5-Dec-2003

How to Update CEM33 (International models) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the CEM33 (International models) driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Xircom CEM33 (International models) into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Xircom CEM33 (International models). It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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