I am running firmware 14.2.1 and also there is no water intrusion on the Ethernet cable, I have already checked the ends of the cable and they look brand new. Cable are less than 100 feet.
On Mon, Dec 19, 2016 at 5:04 PM, Timothy Steele <[email protected]> wrote: > Are you sure it's the cold and not water from the ICE getting into that > cable or you cable is longer then 300ft? > > On Mon, Dec 19, 2016, 12:52 PM George Skorup <[email protected]> wrote: > >> Yes, the FPGA memory controller problem. We had tons of issues with that. >> But it didn't seem to do anything with the ethernet. Mostly sync and >> registration issues. But if the memory contents are unstable, I guess >> anything can happen. I remember telling Aaron we had the most problems >> right after the sun went down and then sometimes just after the sun came >> up. It has to be temperature related! Sure nuf. >> >> 13.2.1 and earlier has the broken FPGA image. OK, not broken, but not >> able to handle the insanity. Use 14.1.2 or 14.2.1/15.0.1. >> >> >> On 12/19/2016 10:39 AM, Mark Radabaugh wrote: >> >> There was a issue with 450’s rebooting in cold weather that was addressed >> in recent software versions. If you are not running current software I >> would start looking at the release notes to figure out where you need to >> be. >> >> The issue I believe was traced to a hard to locate instability in the >> internal logic power supply when the CPU load changed that manifested only >> under low temperatures. Cambium was able to reproduce it reliably in >> extreme cold testing (like -40C) but it was still a very difficult item to >> track down. >> >> >> Mark Radabaugh >> Amplex >> 22690 Pemberville Rd >> Luckey, OH 43443 >> 419-837-5015 x1021 <(419)%20837-5015> >> 419-261-5996 <(419)%20261-5996> (cell) >> [email protected] >> >> On Dec 19, 2016, at 11:19 AM, Ken Hohhof <[email protected]> wrote: >> >> Have you checked the AP log to make sure it isn’t doing watchdog resets >> or something? There have been a couple temperature related problems on >> 450. One was the ADI Communication Failure problem, AFAIK that was only >> SMs. Also there’s the memory controller issue, I think that’s at high >> temperatures though, just the same I would make sure you are at 14.1.2 or >> higher FW version. >> >> Some people have reported water intrusion on 450 APs. I guess if it has >> water in the bottom which froze, that could do bad things. You say that >> you swapped cables though, so apparently the RJ45 isn’t frozen into a block >> of ice. >> >> You really should have a spare AP on hand. If nothing else, you could >> buy a Lite AP, and buy an upgrade key if you actually use it and need >10 >> subs. I hate buying APs used, you don’t know its history, and you can’t >> RMA it. It’s like a refurb laptop, you don’t know why the first buyer >> returned it to the store, did they just not like it, or did it have an >> intermittent defect? >> >> >> >> *From:* Af [mailto:[email protected] <[email protected]>] *On >> Behalf Of *Kurt Fankhauser >> *Sent:* Monday, December 19, 2016 10:04 AM >> >> >> *To:* [email protected] >> *Subject:* Re: [AFMUG] 450 AP dropping Ethernet in cold weather >> >> new AP is on order, if I recall I think that this unit showing problems >> was purchased on EBAY so I am wondering if there was a reason this unit was >> on Ebay in the first place. >> >> On Mon, Dec 19, 2016 at 10:59 AM, That One Guy /sarcasm < >> [email protected]> wrote: >> >> wrap the whole radio and antenna in aluminum foil to keep the heat in. >> >> seriously though, do you give subscribers any access to the units? If so, >> I wonder if having them run a bunch of link speedtests could generate >> enough processing to warm the unit >> >> On Mon, Dec 19, 2016 at 9:54 AM, Kurt Fankhauser < >> [email protected]> wrote: >> >> Seems that the colder it is the more frequent the flapping is. I doubt >> its the RJ45 ends since I tried a different cable run on the tower and >> still showing the same issue. >> >> On Mon, Dec 19, 2016 at 10:42 AM, George Skorup <[email protected]> >> wrote: >> >> I would try new RJ45s on both ends. If that's not it, then swap it and >> RMA if it's still under warranty. >> >> >> On 12/19/2016 9:35 AM, Kurt Fankhauser wrote: >> >> I have a 3.65ghz 450 AP that was running flawless for over 6 months until >> we got our first really cold spell last week, temps dropped to near 0 >> degrees a couple nights back to back and when I woke up one morning the AP >> was dropping offline. Logged into the Mikrotik 2011 and it showed Ethernet >> was flapping. (was originally going through a Sync Injector). I had an old >> FSK AP going through the same sync injector and wasn't showing any >> problems. I tried switching the ports on the sync injector, changed ports >> on RB2011, eliminated sync injector and used a standard Canopy SM power >> supply. Finally I even switched the known good Ethernet cable from the FSK >> AP to the 450 and the port is still flapping. Won't lock to 10-baseT >> either. I am thinking at this point that I am going to have to replace the >> AP. >> >> >> >> >> >> -- >> If you only see yourself as part of the team but you don't see your team >> as part of yourself you have already failed as part of the team. >> >>
