My favorite Smartbridges story happened at the Wispcon in Dallas. I was
finishing up setting up my booth for ImageStream and so was Tracy from
Electrocom. The SB engineers were having a terrible time setting theirs
up...and I know they were way smarter dudes than me. We got it up for them.
:-)
Jeff Broadwick
CTIconnect
312-205-2519 Office
574-220-7826 Cell
jbroadw...@cticonnect.com
>> On Oct 31, 2019, at 6:05 PM, Bill Prince <part15...@gmail.com> wrote:
>
> The one thing I remember was that they (the smartbridges) almost always
> failed by filling with water. I would be willing to bet there is a powershot
> hiding in a box somewhere.
>
>
>
> bp
> <part15sbs{at}gmail{dot}com>
>
> On 10/31/2019 2:53 PM, Ken Hohhof wrote:
>> Remember the Powershots? I still occasionally find those in the van or
>> under furniture, they're like cockroaches.
>>
>>
>>
>> And what was the marking on that stupid 26 AWG Cat5 cable, something like
>> Space Station Cable or Astronaut Cable?
>>
>>
>>
>>
>>
>> From: AF <af-boun...@af.afmug.com> On Behalf Of Bill Prince
>> Sent: Thursday, October 31, 2019 3:21 PM
>> To: af@af.afmug.com
>> Subject: Re: [AFMUG] 450 SM lost config, feature key, and radio calibration
>>
>>
>>
>> We used a few smartbridges for some intralan building-building type links.
>> Wow. I'd almost forgotten how bad those things were.
>>
>>
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>>
>> On 10/31/2019 11:51 AM, Ken Hohhof wrote:
>>
>> I will say in my experience Cambium radios are far more robust to power
>> issues than Ubiquiti. We have a bunch of Nanostations of various vintage at
>> customer sites to link between buildings, and run into all sorts of lockups,
>> resets, and deaths due to power issues. The Cambium radios at the same
>> sites will be fine. Each generation of Ubiquiti stuff has been better than
>> the last, we've been using the NS5 AC Locos for the past year or so, but
>> Cambium by far has the better power on reset circuitry.
>>
>>
>>
>> And I remember when we bought a SmartBridges based WISP back in 2005. Some
>> of those customers still power cycle the radio every time they have issues.
>> Those things were junk.
>>
>>
>>
>>
>>
>> From: AF <mailto:af-boun...@af.afmug.com> <af-boun...@af.afmug.com> On
>> Behalf Of Bill Prince
>> Sent: Thursday, October 31, 2019 1:25 PM
>> To: af@af.afmug.com <mailto:af@af.afmug.com>
>> Subject: Re: [AFMUG] 450 SM lost config, feature key, and radio calibration
>>
>>
>>
>> I think if the power brick is one of those old ones, then either the too low
>> voltage or the too high voltage would be an issue. Ever since I started
>> "doing computer stuff", 80% of all the problems I've seen can be traced back
>> to power issues of one kind or another. Back in the 70s when I was working
>> for Data General, I think 115% of the problems they had were power issues.
>>
>>
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>>
>> On 10/31/2019 11:18 AM, Ken Hohhof wrote:
>>
>> When I went to change out this SM, it turned out to be an old former Trango
>> customer from about 14 years ago that we never changed the POE, and it was
>> in fact a transformer.
>>
>>
>>
>> Do you think when the power came back on an overvoltage condition propagated
>> to the SM and fried something? Or just starved it of voltage and made the
>> flash memory forget stuff?
>>
>>
>>
>> BTW while I was out there I put in a new POE and also changed out the board
>> in the 300SS (we stopped using those around 10 years ago) with one of
>> Chuck's gas tube replacement boards.
>>
>>
>>
>>
>>
>> From: AF <mailto:af-boun...@af.afmug.com> <mailto:af-boun...@af.afmug.com>
>> <mailto:af-boun...@af.afmug.com> <af-boun...@af.afmug.com> On
>> Behalf Of Bill Prince
>> Sent: Thursday, October 31, 2019 1:08 PM
>> To: af@af.afmug.com <mailto:af@af.afmug.com> <mailto:af@af.afmug.com>
>> <mailto:af@af.afmug.com>
>> Subject: Re: [AFMUG] 450 SM lost config, feature key, and radio calibration
>>
>>
>>
>> I've seen SMs do all kinds of crazy things during a brown out. It happened
>> more when the power bricks were simple transformers, as the voltage sag
>> would get through to the SM. They would reset to factory default,
>> uncalibrated. So yeah.
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>>
>> On 10/31/2019 11:01 AM, Ken Hohhof wrote:
>>
>> Has anyone experienced a Cambium SM losing not just the radio calibration
>> data but the config and also reverting to 4 Mbps aggregate (it was bought as
>> a 20 Mbps unit, this wasn't even an upgrade key, although I suspect they all
>> start as 4 Mbps units and the factory squirts a feature key into them)?
>>
>>
>>
>> This happened when a customer had a power outage, we had installed a new SM
>> about a week before.
>>
>>
>>
>> Cambium Support is wanting a remote session so they can telnet in and
>> restore the radio calibration data. I am thinking there's a bigger problem
>> than the calibration data, since it lost its config and went back to factory
>> defaults, and also went from 20 Mbps to 4 Mbps.
>>
>>
>>
>> We also several concerning log entries including "MPU violation occurred in
>> this build. MPU is disabled until next upgrade/downgrade" and stuff like
>> fatal error, illegal instruction and register out of range.
>>
>>
>>
>> I'm thinking I should just bite the bullet and throw this SM away, although
>> it's a 3.65 SM so it wasn't cheap.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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