The Tik is grounded to the bus bar.  The surge cards use the WBMFG metal
boxes which ground to the same ground, but a different bus bar.

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


On Mon, Aug 31, 2020 at 10:30 AM <[email protected]> wrote:

> And was the Tik connected to the surge suppressors?
>
> *From:* Josh Luthman
> *Sent:* Monday, August 31, 2020 8:21 AM
> *To:* AnimalFarm Microwave Users Group
> *Subject:* Re: [AFMUG] Surge cards, what should I expect?
>
> Surge cards are only inside the building.
>
> We lost 0 ethernet ports on the Tik.
>
> Josh Luthman
> Office: 937-552-2340
> Direct: 937-552-2343
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
>
>
> On Mon, Aug 31, 2020 at 9:59 AM Ken Hohhof <[email protected]> wrote:
>
>> We’ve gone to the “Cat6” (gas tube) versions but I don’t think that has
>> any bearing on your question, if anything they may offer less protection,
>> but better Ethernet data integrity.
>>
>>
>>
>> Are you putting these at both ends of the cable, or only at the switch or
>> router end?
>>
>>
>>
>> I never assume they protect the radios, unless the surge is coming from
>> the network side, e.g. a power line surge.  They protect the network
>> equipment like switch, router or POE.  If the surge is coming from the
>> radio end, my personal opinion is a surge protector may actually increase
>> the chance of radio damage by giving the surge a path to ground via the
>> cable.  But let’s face it, if the tower take a hit, you may lose equipment
>> no matter what you do for grounding or surge protection.  Best bet may be
>> fiber for data and a direct power cable with a DC surge protector right at
>> the radio.
>>
>>
>>
>> Strange that the Powerbridge was the only survivor, as you say, it’s not
>> exactly a high end piece of equipment, basically a Rocket PCB built into a
>> panel antenna.  But it might be interesting to do a failure analysis on the
>> stuff that died.  Most of the time I find it’s the power supply that got
>> fried, the radio won’t even power up.  I looked at a Transtector product
>> once that had fuses in the protection modules, that would seem to mean you
>> always have to replace the modules after a surge, but maybe the fuse
>> opening up is better for the radio.
>>
>>
>>
>> I suspect you just had a bad day.  It happens despite best efforts.
>>
>>
>>
>> *From:* AF <[email protected]> *On Behalf Of *Josh Luthman
>> *Sent:* Monday, August 31, 2020 8:27 AM
>> *To:* AFMUG <[email protected]>
>> *Subject:* [AFMUG] Surge cards, what should I expect?
>>
>>
>>
>> I've regularly used the 444 cards.  Pretty much exclusively for years
>> we've been using the GIGE-APC-HV.
>>
>>
>>
>> On a tower with 9 devices, I lost 8 of them.  We've had 0 problems on
>> this tower since adding the surge cards almost 6 years ago.  A mix of
>> Ubnt/Cambium.  The one device that survived was a Powerbridge (the shitty
>> panel) with one of the old surge cards that has an LED on it indicating
>> power.  All 8 other devices needed to be replaced on the tower.
>>
>>
>>
>> What should I expect the surge cards to do?  I keep reading that the card
>> should sacrifice itself so we can just replace the card on the ground
>> instead of the radio on the tower - better for a 1 person fix, way cheaper,
>> ground instead of tower, faster, etc.  The tower owner is a big Motorola
>> R56 guy and gave us the thumbs up with how we did the grounding.
>>
>>
>>
>> Did I just get screwed hard for some reason?  An employee of the tower
>> owner came out and had to fix some of their gear for their two way Motorola
>> radio stuff, too, so maybe it was just a really shitty day.
>>
>>
>>
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>> --
>> AF mailing list
>> [email protected]
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
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