ZyXEL Communications P841C, User Manual, Page: 20 / 41

P841C Central-Side VDSL Modem
3-6 Configuring the P841C
Figure 3-9 Upgrade Firmware Last Warning
Step 4.
Launch your terminal emulation program (see next example ). You should have already downloaded the
firmware and unzipped it on your computer. The firmware file has a “bin” extension. Begin the file
transfer. DO NOT interrupt it – wait until the file transfer process finishes.
If you abort the upload after the transfer begins, your device will be seriously damaged!
Example Xmodem Firmware Upload Using HyperTerminal
Click Transfer , then Send File to display the following screen.
Figure 3-10 Example Xmodem Upload
Choose the Xmodem protocol.
Finally, click Send .
Type the firmware file’s location, or click
Browse to look for it. The firmware file
has a “bin” extension.
You MUST NOT abort this operation after XMODEM data transfer begins.
Otherwise the device will be damaged.
Restart your device before XMODEM transfer begins to quit the upgrade process.