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3-2
C
3: U
HAPTER
PGRADING YOUR MODEM
Getting New
Operating Software
Sending New
Software to your
modem
To get the newest version of the Couri e r V.Everything modem's operating
software:
Go to the customer support web site at http://consumer.3com.com.
To send the new code to your modem, all you need is a standard terminal
program that can send files using the XMODEM protocol.
1 Start a communications software package. Adjust the settings, if
necessary, so you can send AT to your modem and get an OK response.
2 Enter
. The modem should respond as follows:
ATXMODEM
atxmodem
Firmware Update
---------------
Options:
(1) Read firmware
(2) Write firmware
ESCape Exits
>
3 Select "2" to begin updating the code. The modem will respond with:
Ready to receive firmware update
4 Send the file to your modem using the XMODEM-Checksum or
XMODEM-CRC protocol.
5 After the transfer is complete, you will see
SDL Xmodem file transfer completed.
Calculating CRC... OK
Resetting modem...OK
Once you see the OK response to the Calculating CRC and Resetting
modem messages, your software upgrade is complete!
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