I work for a new small ISP, we are GPON FTTH using Adtran TA5k's along with their ONT's (mostly 411's). On one of our shelves, we are seeing OMCI com failure error messages in the logs abundantly. Our other few TA5k logs are clean with no OMCI com failures. We currently have a ticket open with Adtran, but nothing has been discovered so far. The uptime was a 342 days, we reloaded, next day the logs started filling up again.
The issue seems to be becoming more common. About a month ago we noticed it on 1-2 accounts that reported loss of service until they reboot the ont. Then it is good for 12-42 hours. After pulling logs on the unit, we noted the omci com errors assumed it was a bad ont or maybe a physical issue. After replacing the ONT it was "fine" for a week or two then it started again. We then worked our way (replacing everything back to main line fiber.) The main line crew and supervisors went out and reported no issues. We then made our way to the CO, replaced some optics incase there was something off that we couldn't see. Nothing. Still the logs are full of the same error message on different slots and ont's on the shelf. Has anyone ever ran into a problem like this?
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