Re: Trendnet 200 Mbps Powerline AV Issues

[Brian W. Antoine <briana@xxxxxxxxxxx>]

On Sat, 3 Jun 2017 16:48:43 -0700, cameo <cameo@xxxxxxxxxxxxxx> wrote:

>On 6/3/2017 5:13 AM, Art Todesco wrote:
>> On 6/2/2017 11:16 PM, cameo wrote:
>>> On 6/2/2017 2:17 PM, Bob F wrote:
>>>> On 6/2/2017 11:17 AM, cameo wrote:
>>>>> On 6/2/2017 8:49 AM, Bob F wrote:
>>>>>> On 6/1/2017 4:42 PM, cameo wrote:
>>>>>>> I've been using the TPL-303E2K Powerline adapters for several years
>>>>>>> to connect my IP surveillance cameras through them to Internet via
>>>>>>> my home's 120V power lines. The setup worked for me better than
>>>>>>> WiFi but a few weeks ago it stopped working. After some
>>>>>>> experimentation I found out that the cams would still work from
>>>>>>> electric outlets closer to my router but that's not where I needed
>>>>>>> to have them. The best guess I could come up is that perhaps my
>>>>>>> power lines got much "noisier" recently but I can't figure what
>>>>>>> could have caused that because I have not introduced any new
>>>>>>> electric appliances that could account for it.
>>>>>>> I wonder if any of you experienced similar unexplained problems and
>>>>>>> had come up with an explanation, and hopefully a fix for it.
>>>>>>
>>>>>> It could be like X10 signals. Plug something new into a socket, and
>>>>>> suddenly the signal on that phase of the power gets sucked down to
>>>>>> where it rarely works. The something new could be in any house
>>>>>> connected to the transformer that feeds your house. Check whether
>>>>>> the places the signal doesn't work are all on one phase of the power.
>>>>>
>>>>> Hm. Thanks. Of course I could not do much if the power noise comes
>>>>> from a neighbor. I was also wondering if the power company itself
>>>>> puts some carrier frequency on its lines as a means to remotely read
>>>>> the meters.
>>>>>
>>>>
>>>>
>>>> It isn't necessarily "noise". It could be that something has a filter"
>>>> in it that shorts the frequency of your cameras to ground at that
>>>> device. You could be right about the power company equipment though.
>>>> That one you can ask them about. They might be able to add a filter to
>>>> your meter to keep their signal out of your house.
>>>
>>> Good ideas. Thanks.
>> Here's what happened to me, with x10 signals.  I put in 2 new LED mini
>> flood bulbs in my range hood.  When they were on, all x10 stuff didn't
>> work.  I returned them and bought different ones ... same results.
>> Later, I purchased 2 similar ones (still different mfg) at Lowe's and
>> they didn't affect x10 at all.  So, the problem could be something as
>> simple as changing a light bulb.
>
>Art, you were right about the LED bulb! I forgot that I replaced my
>closet bulb recently with a GE LED bulb that was subsidized by my power
>company. So after reading your post I removed that LED light and my
>powerline ethernet connection works again! I think I also bought it at
>Lowe's, but I am not 100% sure of it.
>Thanks for the excellent tip, Art!
>

Glad you found it, I was going to suggest checking your grounding rod on
your power meter.  I've noticed a change in the noise level depending on
the time of year and how much rain I've had, finally sprang for one of
those XTBM monitors that showed me the changing noise levels.