My towers do not flood 80 feet in the air.....
> On Nov 7, 2014, at 9:22 PM, Patrick Leary <[email protected]> wrote: > > Conversations over the past several weeks make clear many are not aware of > the meaning of the environmental specifications, in particular the IP rating. > It matters, as the nature of your environment informs you about the gear you > need to use. Do you have broad temperature swings? Thermal expansion can > cause cracking around connector housings in some levels of gear. Ice storms? > Nothing exploits a crack like freezing water. Operate near the desert? Dust > protection matters. Near the coast? Salt is highly corrosive. Are you > complaining about water getting into your boxes? If you don't know the IP > rating, you really can't complain becuase you may be using the gear beyond > its specs. As in the law, ignorance is no defense, so in the interest of > dispelling ignorance, here's a quick tutorial on the "IP rating." > > First, it's not sequential. I mean, the two digits have no relation to each > other. In that sense it is NOT a number: IP55 does not mean IP "fifty-five," > but rather is more appropriately thought of as IP "five five." Come again?!? > > Well, the first number refers to protection level from particulate matter -- > solids -- like dust and sand. The second number deals with protection from > liquid incursion. (There can be a third number, usually left out, that deals > with mechanical tolerance.) In any event, here's the key to crack the code: > > <image002.png> > > <image005.png> > > Know the rating of your equipment, at both ends. Environmental truck rolls > are almost 100% avoidable. Environmental failure at the base station impacts > the whole sector. Failures at the CPE level can cause repeated truck rolls > and is a time sink trying to identify root cause before the truck rolls. > Outdoor devices with a first digit of 5 or less, will take in dust. > Similarly, anything with a second number of 6 or below will take on water > because it was not designed not to. > > These are consequential specifications. You'd better believe your telco or > cable competition has minimum environmental requirements as a rule. Are you > any less serious a player in your market? Control those variables within your > control. > > Regards, > > Patrick Leary > National Sales Director | Telrad Networks Ltd. > M 727.501.3735 | Skype pleary > <image004.png> > See us on <image003.png> > > > > > > > > ************************************************************************************ > This footnote confirms that this email message has been scanned by > PineApp Mail-SeCure for the presence of malicious code, vandals & computer > viruses. > ************************************************************************************ > > _______________________________________________ > Wireless mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/wireless
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