Picture says it all OUCH

[David L. Vrablic]

http://vrablic.com/xfer_hold/ouch/ouch1.jpg

3 separate WAR2's into a 5 port switch .
This is the only one I opened.
I will replace all three.

Danged T storms!

[Stratolinks]

Ouch is right. That cable looks rather well done!

It sure looks like the surge arced over to the back plate at the cable entrance.

Did you have any POE surge protection at the other end of the cat5 runs? It may have beenable to keep the damage to just one WAR board, but I do stress MAY.

[rbolduc]

Ahhhh thats minor, those war2's are going to fire right back up... into a mushroom cloud! ;)

Yea surge protection might have helped but it would be a gamble either way. You just can't predict with lightning !*fingers crossed*

Sorry for the loss.


Reed

[David L. Vrablic]

You Know funny you would ask that.
I was going to ask if anyone had any ideas about protecting this type of installation.
It blew the POE injector right off the metal panel in the hyperlink box.
(It is a little hard to see but)
http://www.vrablic.com/xfer_hold/ouch/ouch2.jpg
I am not even going to try to use the old cables.
Sure glad I pulled in pull strings it is in an old school attic.
Nasty place to work. Circa 1930

I have experimented with some of the APC in line protectors and found that they clamp on poe voltages.

I think this site took a pretty direct hit and no ammount of protection is going to help.
All I can do is keep the replacement cost down and make sure there is a dynamic alternate path I guess.

[lonnie]

A direct hit takes no single path. It arcs and sparks over everything. Ever get a shock from a wood table? It surprises the heck out you and at that time you realize that grounding is not the answer for everything. It helps when you ground metal pieces, but when static builds up it does what IT wants, not what YOU hope it will do.

If it is a problem that might re-occur, you can research the Forums for the Lightning Balls I posted. They go at the top of the tower and bleed the charge off and prevent most strikes from even happening.

[rbolduc]

If it is a problem that might re-occur, you can research the Forums for the Lightning Balls I posted. They go at the top of the tower and bleed the charge off and prevent most strikes from even happening.

I remember those, it kinda looks like a chiminy sweeper..

Thanks to google...

http://porcupine.w4zt.com/

Reed

[David L. Vrablic]

I was wondering if a 12 inch stainless chimney cleaning brush would be effective or if it really needs to be bigger.
I immagine that Biggerr is Betterrer !

They put a gizmo on top of a 960 ft stainless TV tower that looks like an umbrella frame.
They havn't had any dammage since so we know they work.

[lonnie]

It is not the bigger, it is the number of wires and the sharpness. A needle sharp point will create a better corona or bleed than a blunt end.

They do work and if you have suffered multiple hits then theya re worth the price, or as the link shows, the effort to build one.

[David L. Vrablic]

Okey Dokey!
Lets see what this old dog can cook up.

MaybeI'll start making theem for a living! ;-)

Later,

[c.davis]

Not that this would really apply to your situation since it was a freak type of thing. But, would it maybe help things in general to maybe solder an inline fuse or a DC circut breaker into the setup?

If nothing else, that would at least help prevent bad current from going backwards through your setup. At least that way a fuse would blow or a breaker trip before it ever got from the WAR board to the switch.

Just a thought...

[go.fast]

The issue with fusing would be the "fault current" rating.

[c.davis]

As I said; just a thought.

My idea was simply to have a fuse pop thereby cutting off potential over current from travelling and thusly protecting equipment further down the line.

Use this information at your own risk, it seems sound to me, but you milage may vary.

[DrLove73]

As long you are discussing lightning protection. I use x86 PC as an Ap's, In the last 1-2 months, I had 5 pci cards connected to same Hyperlink omni 12dBi that went deaf (all clients from ~-66 to -88) when there was thunder in the neighborhood.

I finaly (long story) placed Ovislink coaxial lightning surge protector vith DC90V grounded to silos grounding mesh. Until first card died out, I had Prism 2.5 200mW, and had no problem with it going deaf. Will this lightning protector be enugh, or should I produce that Lightning Ball and place it somewhere on separate poll.

[Beebe]

Same problem I had on several sites after upgrading from prism to cm9 cards. They kept going deaf in thunderstorms. But the problem was only on sites that had antennas which were not DC Grounded. All my Pac Wireless omni's as it worked out.

[David L. Vrablic]

Thats what I thunk but didn't say.
Bigger meanining more pointie tthings exposed to the charge to bleed it off before it builds up enough to start drawing current.
Hey, I remember "Eli the Ice man! "

I wonder if porcupine quills are conductive?
Shove a pipe up his butt and screw him on top of a mast?
If it doesn't work get a bigger porcupine?

Ill be Lonnie has a bunch of them up there.

[rbolduc]

I wonder if porcupine quills are conductive?
Shove a pipe up his butt and screw him on top of a mast?
If it doesn't work get a bigger porcupine?

Ill be Lonnie has a bunch of them up there.

I don't see why you couldn't spray them with a little of the copper shielding paint and viola! ;)