ZyXEL Communications 56K - Manual (Page 67)

User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
6-3
Upgrading by Terminal Program
To upgrade the firmware by terminal program, you have to prepare a terminal program first, such
as terminal function in Bitware or Hyperterminal in Windows, then follow the instructions listed
below. For more information on how to install Bitware on your computer, please refer to the Read
Me First that comes with your modem package.
Step 1. Start your terminal program.
Step 2. Type in 'atupx' it will show a message as below:
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 will be 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 will response:
Erase the flash ROM now. Please wait.
Then, it will continue to show:
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 file name then start uploading.