Yea i am running 13.2 on eveything, and yes I know the ones with 20db varition probably have been idle. I have even seen them get full speed linktests while they showed the 20 db difference, i think it was a software glitch on the sessions page.
Sent from my iPhone Kurt Fankhauser Wavelinc Communications P.O. Box 126 Bucyrus, OH 44820 http://www.wavelinc.com tel. 419-562-6405 fax. 419-617-0110 > On Jan 23, 2015, at 7:13 PM, Ken Hohhof <[email protected]> wrote: > > The ones that are 20 dB difference, I would first run a couple linktests > through them to see if some data makes them read right, it might just be > cosmetic. > > I would also makes sure you are on 13.2 (final) FW at both AP and SM. I have > experienced strange things with mismatched 450 FW between AP and SM. Also at > some point, I forget exactly where, I believe Cambium did something to get > the numbers and/or tone alignment to work better on a link with no data > flowing. > > > From: Kurt Fankhauser > Sent: Friday, January 23, 2015 3:43 PM > To: [email protected] > Subject: [AFMUG] pmp450 chain signal ratio variation > > I have a 3.65ghz 450 AP with a 120 degree KPP sector that I suspect I have a > significant chain variation between Chain A and Chain B. What is more likely > to be the issue? A bad pigtail or a problem with the KPP sector? The AP has > been up for 6 months and it has had this problem since day 1 but lately it > seems to becoming worse. Most of the subs are only getting about half what > they should be getting on the link tests with the exception of some clients > that are more towards the center of the sector beam width they are getting > about 75% on the linktest. I attached a screenshot of my sessions page with > power levels. Any thoughts? I would replace the pigtails first but the > weather isn't exactly fit for climbing this particular tower. > > > > Kurt Fankhauser > Wavelinc Communications > P.O. Box 126 > Bucyrus, OH 44820 > http://www.wavelinc.com > tel. 419-562-6405 > fax. 419-617-0110
