Chapter 7 - Upgrade Procedure

5.If the Current Revision number is larger than the firmware version number found in “Step 1: Identify the MT4X56USB Firmware,” your MT4X56USB has an older firmware version. Continue with “Step 3: Download the Upgrade File.”

Step 3: Download the Upgrade File

Multi-Tech Web Site

1.If you are not already at the Firmware page of the Multi-Tech Web site, follow the procedure in “Step 2: Identify the Current Firmware.”

2.Click on the upgrade file name for your modem and save the file to a temporary location on your hard drive.

Step 4: Extract the Upgrade Files

1.Move the downloaded upgrade file to a temporary directory or folder on your hard drive.

2.The file is a self-extracting archive. Extract the files by typing the upgrade file name in DOS or double-clicking it in Windows. The extracted files include a .HEX file, which contains the upgrade data, and one flash program each for DOS, Windows 3.1/95/98, Windows NT 4.0, and Windows 2000.

Step 5: Clear Your Stored Paramenters

Before you flash your modem it is important that you issue the AT&W1Z command to it to clear out any stored parameters. You should also record the parameters that are currently stored in your modem so you can reprogram it after flashing.

1.Run your favorite terminal program. If you are using Windows 95/98, Windows NT 4.0, or Windows 2000, you can use HyperTerminal. If you are using Windows 3.11, you can use Windows Terminal.

2.In the program’s terminal window, type AT&V and press ENTER to list your modem’s current parameters.

3.Record your parameters by saving the screens and sending them to your printer.

4.Type AT&W1Z and press ENTER to clear your stored parameters and reset your modem to factory default.

5.Close the terminal program.

MT4X56USB

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Multi-Tech Systems MT4X56USB manual Download the Upgrade File, Extract the Upgrade Files, Clear Your Stored Paramenters