User's Guide for ZyXEL Omni 56K USB Modem
6-2
6.1.2 Upgrading by Using a Terminal Program
To upgrade the firmware by using a terminal program, such as Bitware or HyperTerminal in
Windows®, perform the following instructions. For more information on installing Bitware on
your computer, please refer to the Read Me First that came with your modem package.
Step 1. Start your terminal program.
Step 2. Type in atupx and the following message appears:
You have chosen XMODEM protocol with 128 byte block length and
checksum tail to upload the firmware file to update your modem,
data in Flash ROM is erased!
Are you sure (Y/N)?
Step 3. Be sure you have a new version of firmware file on hand, then click Y.
The terminal responds with:
Erase the flash ROM now. Please wait.
After which the following appears:
Ready to program to flash. Please start upload.
Step 4. Now, select XMODEM checksum mode to send the new firmware to your modem.
Enter the filename to start uploading.