42 EQAM-420B
User Manual
Appendix B: Updating the Software Remotely
General background:
There are four different output QAM modules (DDQ) that may need to be programmed in EQAM-420B. They are called
DDQ1, DDQ2, DDQ3, and DDQ4. Please note not every software update requires the DDQs to be programmed.
The total procedure takes about 20 minutes if you follow the steps below.
Step 1: FTP one file from your PC to EQAM-420B.
Step 2: a) Update DDQ1 with the specific command line.
b) Update DDQ2 with the specific command line.
c) Update DDQ3 with the specific command line.
d) Update DDQ4 with the specific command line.
Step 1 : FTP two Files to EQAM-420B:
FTP file (DDQ v#.hex) into the EQAM-420B server board (there are many ways to do this).
NOTE:
a) The same DDQ_v#.hex is used to program all the DDQs.
b) all the commands are case sensitive
c) It is recommended to copy the DDQ_v#.hex in the root directory. i.e, My Computer > C:
From a command (DOS) prompt (you must be in the same folder as the DDQ file) enter:
ftp –A 172.16.70.1
At the FTP prompt enter the following commands:
{Please ensure that you have entered the “bin” command to confirm that you are FTPing the files as binary files.}
bin
put DDQ_v#.hex
bye
The above three commands may be automated by entering them in an ASCII text file (called ftpcmd, recommended but can
be any name) and executing the following:
ftp -A -s:ftpcmd 172.16.70.1
You can place the ftp command above in a batch file (.bat) then double click on the .bat file to perform the entire download
process.
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