08-29-2012 04:13 AM - edited 03-21-2019 06:13 AM
I spent several hours trying to get the FXO ports working on my UC320W without success until, in a moment of desperation, I reversed the polarity on the phone line I was using for testing and suddenly everything's working nicely. I've gotten spoiled with other equipment that automatically adjusts to reversed polarity - apparently that's not true for the UC320 or the 8800 units.
Just thought maybe I'd save someone else some aggravation, as I saw no mention of this as a troubleshooting step in the various materials available.
08-29-2012 09:05 AM
Hi Greg,
Thank you for your comments. Couple of additional questions.
Are you located in North America? What type of issues were you having when the polarity was reversed? i.e Call ID or FXO ports not answering, not able to make outbound call... etc..Your feedback is appreciated. I'm checking with our hardware engineers on the issue you raised. I'm also confirming that FCC Part 68 complaince tests for fxo reverse polarity conditions. If your available I'd like to reach out to you after I receive feedback from our hardware team.
Regards,
Randy
08-29-2012 03:23 PM
Greg,
Can you reach out to me at rbordner@cisco.com I have some feedback from HW engineer.
Thanks,
Randy
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