Multi-Tech Systems MT4X56USB - Manual (Page 67)

Chapter 7 - Upgrade Procedure
MT4X56USB 67
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.