The 3CXM556 & 3CCM556 is a modem manufactured by 3Com. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. Visitors have downloaded this file "tc206.exe" 4,111 times with an aggregate rating of 5 out of 5 stars based on 24 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 554.3 KB.
3CXM556 & 3CCM556
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
This is a Cellular Cable Upgrade driver for the above PCMCIA modem cards. They will work on any Windows or Mac systems(I have checked it out on both).This enables the PCMCIA cards to interface with cellular phones for fax,remote access & e-mail applications.It has what they call,"Automatic Cable Sensor" tecnology.
Jagi (DG Member) on 11-Jun-2000
To get the 3CXM556 & 3CCM556 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 3Com 3CXM556 & 3CCM556 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 3Com Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the 3Com website. Most major device manufacturers update their drivers regularly.
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required 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.