I am trying to access my c1000a modem via serial headers. I am using a USB - UART serial device with the pinout header as outlined on https://wikidevi.com/wiki/Actiontec_C1000A_(CenturyLink) but I can't seem to receive or send any data. I verified that my serial cable is 3.3v. Just to make sure everything worked I tried a PK5001z and was able to see the boot process just fine so I am pretty sure my hardware is good. The C1000A modem is functional. I can boot it up just fine and see the admin page, but serial doesn't seem to be working. Has anyone attempted this with success?
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