Yeah. How do you run poe over the fiber? marlon ----- Original Message ----- From: <os10ru...@gmail.com> To: "WISPA General List" <wireless@wispa.org> Sent: Friday, January 09, 2009 9:21 AM Subject: Re: [WISPA] [isp-wireless] FM radio station site strangeness
> Is using fiber-optic cable out of the question? > > Greg > > On Jan 9, 2009, at 11:28 AM, Marlon K. Schafer wrote: > >> Thanks Mike, >> >> The change to 10 meg half doesn't help. In fact, most devices won't >> connect >> at all then. >> >> The worst part is that the most expensive gear is most effected by >> this! ug >> >> I have installed ferrite beads that do indeed help. Apryl can get >> you the >> contact info and part number. 509.982.2181 >> >> The shielded cable from Shierene just came in. And I have >> permission to >> move to the other side of the building. When the snow melts and the >> ground >> firms up I'll rebuild the entire site. The radio station has a new >> transmitter since I first went into the site and another tenant >> recently >> left. I have more location options now than I did before. >> >> Yesterday I did some testing with a Fluke DTX. It's a crazy meter. >> Checks >> just about everything. As it well should for $7000. Know what it >> doesn't >> check very well though? Inductive RF. grrrrr There is one test that >> showed some problems though. It's called an inductive pulse. >> Readings at >> another tower I have (and the tech support guy at Fluke) were 0. >> This tower >> had a reading of nearly 3000!!!!! Fluke is supposed to find out >> what an >> acceptable level would be and send that info to me. I've not heard >> from >> them yet though. The tech's guess was around 30mV. >> >> I did think it strange that when I tested my cable with a volt meter >> (one >> end to ground, the other to the connectors on the cat5) I was >> picking up 2 >> to 3 volts on each pin. That pretty well seems to line up with the >> 3000mV >> reading from the fluke! >> >> This site has always been a source of grief for me. Must less >> reliable than >> nearly any other I have, no matter what equipment is used. I always >> thought >> it was due to all of the other operators in the area (one's been >> fined by >> the FCC for using illegal amps etc.) doing silly things. Though >> nothing >> THAT bad has ever showed up on my analyzer. I always thought it was >> something that only the customer end could see (couldn't find that >> on the >> analyzer either though). Maybe my problem has always been the radio >> station >> stuff. Wouldn't that be great? FINALLY, a network reliable enough >> to allow >> me to take a vacation. grin >> >> laters, >> marlon >> >> ----- Original Message ----- >> From: "Mike Cowan" <ispwireless-li...@wirelessconnections.net> >> To: <isp-wirel...@isp-wireless.com> >> Sent: Friday, January 09, 2009 1:40 AM >> Subject: RE: [isp-wireless] FM radio station site strangeness >> >> >> Hi Marlon, >> >> It looks like you are on your way to solving this. To get by until >> then you >> might want to try locking the Ethernet side to 10MB 1/2 duplex. FM >> radio >> runs around 100mhz at high power levels, well so does a 100MB Ethernet >> connection, it communicates at 10mhz. 10MB 1/2 runs at 66mhz I >> believe. >> Fixing it is really black magic however. Sometimes grounding helps, >> sometimes it is better without. Many have placed the cable in >> conduit, with >> mixed success. I would be very interested if the ferits help, we >> have tried >> a few with inconclusive results, but have not found a quality unit >> to test >> with either. >> >> Mike >> >> Mike Cowan >> Wireless Connections >> A Division of ACC >> 166 Milan Ave >> Norwalk, OH 44857 >> 419-660-6100 >> 419-706-7348 Cell >> 419-668-4077 Fax >> mi...@wirelessconnections.net >> www.wirelessconnections.net >> >> -----Original Message----- >> From: Marlon K. Schafer [mailto:o...@odessaoffice.com] >> Sent: Wednesday, January 07, 2009 10:47 AM >> To: isp-wirel...@isp-wireless.com >> Cc: isp-wirel...@isp-wireless.com >> Subject: [isp-wireless] FM radio station site strangeness >> >> Hi All, >> >> I think we finally have this all figured out. Now I just have to >> figure out >> >> how to fix it. >> >> >> ___________ The ISP-WIRELESS Discussion List ___________ >> To Join: mailto:join-isp-wirel...@isp-wireless.com >> To Remove: mailto:remove-isp-wirel...@isp-wireless.com >> Archives: http://isp-lists.isp-planet.com/isp-wireless/archives/ >> To unsubscribe via postal mail, please contact us at: >> Jupitermedia Corp. >> Attn: Discussion List Management >> 475 Park Avenue South >> New York, NY 10016 >> >> Please include the email address which you have been contacted with. >> >> Copyright 2007 Jupitermedia Corporation All Rights Reserved. >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
