*********** REPLY SEPARATOR ***********
On 2004-07-08 at 4:16 PM Bob Hrbek wrote:
>So...you are saying that in high noise conditions the KN-100 will blast
>out
>enough power/traffic to take out the whole network?
I don't know if other 2.4GHz devices could cause this behaviour or not. I've
just made a note that in both cases, there were other 2.4GHz devices present.
>Could you have been any luckier to find that customer 10 miles from your AP
>with a spectrum analyzer? Was that just a guess or do you have an UBER
>DUPER analyzer there? I'd like to get one of those babies!
It doesn't take rocket science to track down a signal. you just need a narrow
beam antenna with good F/B descrimination.
>
>-bob
>
>----- Original Message -----
>From: "Caleb Carroll" <karlnet@pathcom.ca>
>To: <karlnet@WISPNotes.com>
>Cc: <support@karlnet.com>
>Sent: Thursday, July 08, 2004 4:12 PM
>Subject: [Karlnet] CRITICAL problem w/ Karlnet firmware?
>
>
>
>About 2 months ago (when we first upgraded our customer base to firmware
>v4.44-02) we had a problem at one of our base stations (KN-200) where we
>lost the ability to communicate with any of our customers (KN-100's &
>RG-1100's). After our technicians spent 4 frantic hours of trying to
>determine what the problem was, I decided to investigate the problem
>myself.
>Our technicians could see what looked like a CW on their spectrum analyzer.
>I spent the next 2 hours driving around trying to pinpoint where the signal
>was coming from (we assumed that it was something very nearby). I finally
>found the source of the interference... It was from 10 miles away and ...
>It
>was one of our customers! No one was home at the time so we disconnected
>the antenna and suddenly all of the other customers came back online.
>
>Later on, we returned to this customers house and made the following notes
>PRIOR to turning off the customer's KN-100:
>
>1) the same signal was still being transmitted from the KN-100.
>2) we could use configurator to login to the KN-100.
>3) because the profile of the spectrum use on the spectrum analyzer looked
>similar to what you would see if you used the "Antenna Alignment, Full
>Speed" function, we decided to enter 0 seconds to run the test (0=Stop).
>the signal did not stop.
>4) the customer owned a multi-handset 2.4GHz phone system with 4 phones.
>5) the customer had a 2.4GHz Linksys router sitting on top of the KN-100
>(channel overlap was 14MHz, KN-100 on ch3 and Linksys on ch6 - of course,
>we
>didn't install it).
>
>
>TODAY, WE HAD A REPEAT OF THIS INCIDENT.
>
>Notes from today:
>
>1) the customer had an RG-1100
>2) we could login with configurator (we saved the config file this time).
>3) the customer owns a 2.4GHz telephone.
>
>I'm going to send the configuration file to Karlnet and I'm going to post
>an
>.mpg file of the spectrum analyzer output later on today.
>
>
>
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