Cambium has reached out to me and are going to look into this issue on their end. They are also making it right by us and replacing both units. I have no reason to believe that this is a widespread problem. We use a ton of Cambium equipment and for the most part we are very happy with it's performance. I simply wanted to help the community by spreading awareness of a potential issue that is easy to spot before being deployed. Thank you Matt and Chuck at Cambium for helping out.

        
Matt Hopkins
Network Administrator
503.687.1030
[email protected]
onlinenw.com <http://onlinenw.com>



On 4/20/2017 8:14 AM, Chuck McCown wrote:
Yeah, well, that is why AFMUG exists...
*From:* Steve Jones
*Sent:* Thursday, April 20, 2017 9:05 AM
*To:* [email protected]
*Subject:* Re: [AFMUG] Cambium 450i
I constantly bitch about cambium not being forthright about a product flaw, but they do tend to ultimately make things right, even on out of warranty products. i think it may depend on the engineer involved though
On Thu, Apr 20, 2017 at 9:58 AM, Adam Moffett <[email protected]> wrote:

    Do you guys think the intrusion is from a bad seal in the housing,
    or is it coming in through the cables?
    If the unit doesn't have a breather hole equalize air pressure
    then it can suck water through the cable like a straw.
    ------ Original Message ------
    From: "Roland Houin" <[email protected]>
    To: "afmug" <[email protected]>
    Sent: 4/20/2017 10:55:34 AM
    Subject: Re: [AFMUG] Cambium 450i
    we had a 450 fail due to water intrusion too.
    it was in warranty,
    at first they didn't want to cover under warranty, (said we
    didn't weatherseal the connectors).
    after a bit of complaining they did cover it.
    Roland
    > We too had a similar issue. 450AP full of water. We took it
    apart and drained
    it and let sit dry. The AP booted up just fine but failed a few
    days later on
    the bench. We got the same response. "Out of warranty".

    On Wed, Apr 19, 2017 at 6:33 PM, Matt Hopkins
    <[email protected]> wrote:

    We had one of many 450i up on a tower for a little over a year
    and one day it
    was just offline without any warning. We are located in
    Northwestern Oregon so
    we get plenty of rain. Upon investigation the metal case of the
    radio was not
    sealed all the way and water slowly seeped in. The unit was full
    to the top
    with water. By this time Cambium stated that it was out of
    warranty and we were
    burnt. I don't know how many of these units we have in the air
    are affected.
    This one is the only one that has died in such a fashion so far.
    Prior to this
    I wasn't really inspecting these for this issue and would have
    thought nothing
    of it. The seal must be farther inside, right?

    Today I was unpacking one new in box and noticed the very same
    issue, since now
    I look for this. We only use the connectorized version so I don't
    know if this
    issue is contained or morewidespread. Just wanted to throw out a
    heads up to
    everyone to keep an eye out for this since I got exactly nowhere
    with Cambium.

    I am not trying to pick on Cambium, just bring a recurring issue
    to light.

    This is a pic of the fried one that was in service for a year:

    This is a pic of the brand new one I took out of the box today
    next to one that
    looks fine:

    --

    Matt Hopkins
    Network Administrator
    503.687.1030 <tel:%28503%29%20687-1030>
    [email protected]
    onlinenw.com <http://onlinenw.com> <



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