I give. What am I missing when trying to upload a new firmware? I have downloaded the 8.80 upgrade, am attempting it from 8.65.2. The file extensions are .450 and .mib. I cannot find detailed info, even on EOL pages, that descride either how to c...

I have looked everywhere and cannot find the distance limitations on the DS1 signal right off of the CSU module. I am connecting two 2600's together, and they are not that far apart, hundreds, not thousands of feet. If the signal is strong enough, ...