The easiest way to tell is obviously to take the SS out and see if the errors stop. And as Chuck has said in the past, an SS can get wounded. Definitely seen that. In fact, just the other day I had two 450 sectors with link losses, falling back to 10Mbps, etc. and quite a lot of errors. Took the Rev D SS's out and the errors were gone. Replaced them with new Rev E's I happened to have in my truck and they're running fine (100Mbps and Canopy sync). The Rev D's did their job.

On 6/9/2018 4:42 PM, Jason McKemie wrote:
They are Chuck's suppressors and I'm pretty sure they are an older revision as well, so that could be a contributing factor.

On Sat, Jun 9, 2018 at 4:14 PM, George Skorup <[email protected] <mailto:[email protected]>> wrote:

    Guess I should correct my grammar and say which suppressor(s)?

    And follow that up with the assumption that you're using Chuck's
    suppressors? The only one that produced no errors for me is the
    CAT6-APC which is just gas tubes, no diodes. He asked me to test
    one more thing with the Rev G GigE-APC, but I just haven't had the
    time to get out to a site and do it.

    I am using some Rev D and E GigE-APCs on Canopy and ePMP at
    100Mbps and sync pulses present and those work fine. Gigabit is
    the real pain in the ass. Gigabit + Canopy sync is even more of a
    pain in the ass. I've got old Rev A (or B? I don't remember)
    GigE-APCs and GigE-POE-APCs that work fine at gigabit and no sync
    pulse, mostly AirFibers and some Exalt radios on those.

    The CAT6-APC is probably what we'll move forward with for
    everything since it'll be the most universal and offer decent
    protection. Actually probably better than decent. I think Chuck
    said the clamp voltage is around 90-100 volts. The cheap stuff
    might die, but it's cheap so who cares.


    On 6/9/2018 3:58 PM, George Skorup wrote:

        What suppressors?

        On 6/9/2018 3:23 PM, Jason McKemie wrote:

            I have a A5C that is giving me grief.  I'm getting
            hundreds of Rx FCS errors on the Mikrotik when I'm running
            gigabit, if I force it to 100 fdx, the Rx FCS errors stop,
            but Rx Code errors start incrementing instead.  I've
            always gotten some amount of Rx FCS errors from Mimosa
            A5/A5C units, but not nearly this many.  It's starting to
            have an effect on service on the sector.

            Any ideas what I should look at?  Some people were
            claiming that putting something like a Netonix in between
            the Mimosa and the Mikrotik solved their issues, but I'm
            wondering if the surge suppressors are creating an issue
            as well.

            -Jason





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