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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