I've definitely seen exactly that.

FSK ran like crap at 100 fdx.  Did OK at 10 fdx (which was OK being FSK...)
Mikrotik 532 at 100 fdx would just run like hell.
Mikrotik Netmetal 5 (I think these are 400 boards?) did great.
ePMP had no problems at gig.


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Mon, Sep 18, 2017 at 10:10 AM, Nate Burke <[email protected]> wrote:

> Has anybody found differences in the Ethernet equipment used and errors?
> We have a site with a 4kw FM about 50' away from our gear. An FSK Cluster
> will not run at 100mb, only 10mb.  A powerbridge at the same level
> sometimes negotiates down to 10mb, but mostly stays at 100mb.  An EPMP
> radio happily sits at 1G with no issues.  They are all at the same
> height/cable length/cable type.  The FSK Radios plug into a RB2011, and the
> powerbridge and EPMP plug into a RB1100.  So there is a difference between
> the Ethernet chipset in the radio equipment and routers.  I can only guess
> that some combination there of is more sensitive to the FM than the others.
>
>
> On 9/18/2017 8:14 AM, Dennis Burgess wrote:
>
>> We do.. 100k at the top .. no issues, use good cabling and you don't have
>> issues.
>>
>>
>> Dennis Burgess - Network Solution Engineer - Consultant
>> MikroTik Certified Trainer/Consultant - MTCNA, MTCRE, MTCWE, MTCTCE,
>> MTCINE
>>
>> For Wireless Hardware/Routers visit www.linktechs.net
>> Radio Frequency Coverages: www.towercoverage.com
>> Office: 314-735-0270
>> E-Mail: [email protected]
>>
>>
>> -----Original Message-----
>> From: Af [mailto:[email protected]] On Behalf Of Jon Langeler
>> Sent: Saturday, September 16, 2017 2:14 PM
>> To: [email protected]
>> Subject: [AFMUG] FM radio colocation interference?
>>
>> Theres a potentially new FM radio tenant wanting to colocate on a tower
>> we are already on. We're predicting there is absolutely no way this will
>> work with our 100BT and 1000BT Ethernet links.
>>
>> He anyone collocated with FM radio and 'it worked '?
>>
>>
>> Jon Langeler
>> Michwave Technologies, Inc.
>>
>
>

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