[CS-FSLUG] Long Copper Run and Fiber Media Converters

Timothy Butler tbutler at ofb.biz
Mon Sep 24 16:45:42 CDT 2012

This shows my ignorance on all things relating to grounding. While I was planning to ground them, I hadn't done so yet, since I had proven unsuccessful in getting them to work. Could that be the issue?

As to what I am grounding them to, the folks who put the conduits in have a copper grounding wire near each conduit access for grounding purposes. I believe it runs outside and into the ground.

What sort of surge protection do you use for your runs, by the way? I went with the APC's since they were well rated, relatively affordable ($20/each x 4 for each end of the two runs)  and I've had good success with APC over the years.

Thanks for the advice!


On Sep 24, 2012, at 3:55 PM, Peter J. Vasquez Sr. <pjvasquez at baeyogin.com> wrote:

> Pulling the fiber is definitely a no go.
> As for the APC PNET1GB, are you sure the grounding has been done
> properly?  What are you grounding to?  You should not be seeing any
> packet loss.  If so, what are you using to test the point to point
> link?
> On Mon, Sep 24, 2012 at 3:38 PM, Timothy Butler <tbutler at ofb.biz> wrote:
>> Thanks, Josiah and Peter. Here are a few more questions:
>>> I concur with Josiah.  Fiber is a precise art, especially in the
>>> polishing of the ends.  My company has run many thousands of feet
>>> across our area, and even with the thick/tough stuff, we have had
>>> issues in some areas.  Also, unlike cat5/cat6 where you can use a pull
>>> string to get it through, you will need special equipment that 'blows'
>>> the fiber with a lot of force through the conduit to come out in the
>>> other side without breaking or kinking it (this only works if there is
>>> sufficient room, usually when the conduit is empty).
>>        Hmm... that might a problem. So, my idea of pulling it through the empty conduit is a no go, then, it sounds like?
>>> GigE over cat5/cat6 is the way to go.  If you're able to dig another
>>> trench for the conduit and then use PVC to get it between the
>>> buildings, that would be the best option if you can't use the existing
>>> one.  I did this for my church a couple of months ago between
>>> buildings (about 200ft), and it was really worth it to get several
>>> cat6 lines in at once that we can expand to use in the future.  It's a
>>> lot of work, but if you can do it, it really is the best way.  Let me
>>> know if you need any additional information.  Thanks.
>>        Well, I have a brand new Cat 6 cable in an empty conduit. It works now that I took back the TRENDnet switches for Netgear ones. I can now achieve a Gig-E link (though I haven't tested the actual speed yet), but when I put the surge protectors on, packet loss gets really severe. So, I've been... stumped... on how to proceed. As I mentioned, I am using APC PNET1GB surge protectors for the ethernet. Perhaps there is something better I should be using? I want to make sure I don't accidentally blow out the network due to a surge.
>>        Maybe I need more expensive copper switches to get the job done?
>>        Thanks!
>>        Tim
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