Such as an SFP Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Jun 10, 2016 5:08 PM, "Mike Hammett" <[email protected]> wrote:
> Data surge suppressors aren't necessary on fiber systems. :-) > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Keefe John" <[email protected]> > *To: *[email protected] > *Sent: *Friday, June 10, 2016 3:44:50 PM > *Subject: *Re: [AFMUG] Surge Suppressors > > Interesting. What do you say to the people who claim surge suppressors > are just not necessary? > > > On 6/10/2016 3:15 PM, [email protected] wrote: > > Talking CAT5 and not RF so not a huge issue. The bigger problem is > > near end cross talk (NEXT) problems when the surge suppressor is very > > close to a device like a switch or radio. There is SNR on GIGE but > > normally return loss, FEXT, NEXT and things like that are more of a > > problem. > > > > -----Original Message----- From: Keefe John > > Sent: Friday, June 10, 2016 2:07 PM > > To: [email protected] > > Subject: Re: [AFMUG] Surge Suppressors > > > > What about insertion loss causing cables to have SNR issues? > > > > > > On 6/10/2016 2:49 PM, [email protected] wrote: > >> They don't add resistance. (Actually Cambium's suppressor does add > >> about 7.2K ohm load on each pair but it should not hurt). > >> They do add a minor amount of capacitance, equivalent to perhaps a > >> foot of CAT 5 cable. > >> > >> > >> -----Original Message----- From: Keefe John > >> Sent: Friday, June 10, 2016 1:42 PM > >> To: Animal Farm > >> Subject: [AFMUG] Surge Suppressors > >> > >> Someone recently told me we shouldn't use surge suppressors on towers > >> because they add too much resistance. What would you say about that > >> Chuck? > >> > >> Right now we use GIGESS-HV within 3' of the radio on the tower and > >> GIGEAPC-HV at the tower base. > >> > >> Keefe > >> > > > > >
