Never tried that before. We always use LPU's on the CAT-5 but I've never put one on the antenna lead. What kind of line loss does it cause? I don't see that in the Tech Specs. Also, does it come with a male antenna connector side?
Dave Hannum On Thu, Jun 13, 2013 at 10:35 AM, Kurt Fankhauser <[email protected]>wrote: > Can you possibly put a polyphaser on the 9000APC? I use these:**** > > http://www.tessco.com/products/displayProductInfo.do?sku=531462&eventPage=1 > **** > > ** ** > > ** ** > > ** ** > > Kurt Fankhauser**** > > Wavelinc Communications**** > > P.O. Box 126**** > > Bucyrus, OH 44820**** > > http://www.wavelinc.com**** > > tel. 419-562-6405**** > > fax. 419-617-0110**** > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *David Hannum > *Sent:* Thursday, June 13, 2013 10:11 AM > *To:* WISPA General List > *Subject:* Re: [WISPA] Strange problem with Canopy 9000APC**** > > ** ** > > The first radio went bad on the first antenna. The second and third > radios have gone bad on the second antenna. We'll probably swap the > antenna again this afternoon on this one.**** > > **** > > Dave Hannum**** > > New Era Broadband**** > > ** ** > > On Thu, Jun 13, 2013 at 10:05 AM, Jason Bailey <[email protected]> wrote:* > *** > > That's why I said antenna. It happened frequently after changing the > antenna. > > --- On *Thu, 6/13/13, David Hannum <[email protected]>* wrote:**** > > > From: David Hannum <[email protected]>**** > > > Subject: Re: [WISPA] Strange problem with Canopy 9000APC**** > > To: "WISPA General List" <[email protected]>**** > > Date: Thursday, June 13, 2013, 10:01 AM**** > > ** ** > > Moisture is not an issue. Good drip loops on both the antenna cable and > CAT-5 Cables. We actually sealed the entry of the radio with mastic to be > sure. The first radio lasted about 10 months. When it went, we first > swapped antennas, thinking maybe a lightning strike damaged it (we've had > the same effect on signal from bad antenna). That did nothing to help, so > we next swapped the radio. Signal back. That lasted about four weeks. > Swapped radio again, and signal back. Lasted about 12 hours this time.*** > * > > **** > > No visible damage to any of the radios. No moisture found inside. We > don't have capability to test in-house. Will send to SWG or Wireless Units > to have them take a look.**** > > **** > > Dave Hannum**** > > New Era Broadband**** > > **** > > ** ** > > On Thu, Jun 13, 2013 at 9:46 AM, Fred Goldstein > <[email protected]<http://mc/[email protected]>> > wrote:**** > > On 6/13/2013 7:43 AM, David Hannum wrote: > > We're having an issue with a 9000APC that is very strange. Here is the > > situation. We have a remote water tank (stand pipe 75' high) that has a > > few homes around it. So, we have a 9000APC and a connectorized 2450AP > > on the tower, both on Omni's. The antennas are on a stand almost > > exactly 4' apart. There are six subs on the 900MHz radio. About a > > month ago, I had an issue where (after about 9 months) the signal to all > > of the customers just faded out, to the point that only two subs were > > still good. I swapped the antenna and that did not help. I swapped the > > radio, and that fixed the problem. Trouble is, it only lasted about > > three weeks, and the same thing happened again. I swapped the radio > > again yesterday, and today, I'm back in the same boat. The radio in the > > AP keeps going out. I had the climbers check the grounding, and we > > actually ran a dedicated ground yesterday off the water tank. My knee > > jerk feeling today is that maybe the radios are too close together, and > > the 2450 is burning up the 900. Could this be the case? Any ideas? > > Here is an example of what happens. Customers that run signals -47 to > > -57 become -70 to -75 and those who's signals were -70 and up fall clear > > off. Swap the radio, and everything goes back to normal. This is now > > three radios that have gone, each lasting a much shorter time than the > > previous. (this one did not make it 24 hours). > > I can't completely rule out lightning - the tower is in a very wooded > > area. But usually you burn up the NIC in that case - not weaken the > radio. > > Thoughts?**** > > Interesting mystery! Clearly you don't want to blow more radios this way. > > Any more clues about what may have happened right before the failures? > I'm wondering about weather events. Did it fail after a rain storm? > Water coming in to the radio or corroding the antenna connectors might > result. And if the antenna's connector is flaky, re-attaching it to a > new radio might be a temporary fix, but reattaching it to an old radio > might "fix" it too (temporariy). Have you examined the broken radios in > the shop? > > -- > Fred R. Goldstein fred "at" interisle.net > Interisle Consulting Group > +1 617 795 2701**** > > _______________________________________________ > Wireless mailing list > [email protected] <http://mc/[email protected]> > http://lists.wispa.org/mailman/listinfo/wireless**** > > ** ** > > ** ** > > -----Inline Attachment Follows-----**** > > ** ** > > _______________________________________________ > Wireless mailing list > [email protected] <http://mc/[email protected]> > http://lists.wispa.org/mailman/listinfo/wireless**** > > > _______________________________________________ > Wireless mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/wireless**** > > ** ** > > _______________________________________________ > Wireless mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/wireless > >
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