On a side note.... Mikrotik 4 port NIC cards are designed to work up to 450 ft, based on the Data pairs. POE distance can be resolved by uping the PS voltage a bit, or using 48V. My point is, if you use a Router on the ground with the Mikrotik Nicks, its feasible to put Radios at 400ft at 100base-T. We had experimented in the past with using two CAT5s one for data and one for Power, and then combining at the top of tower. That did not work as well, because we had issues with the cable combiners getting messed up by either gel running down into them or getting corroded by elements. (we had the couplers inside a nice plastic-like case, the ones sold by hyperlinkltech and LCOM, but they still got corroded. We did better with one long run of CAT5 without any breaks in it. It should be noted that POE voltage over long distances can cause degregation to data pairs which one reason POE is spec'ed at 300ft. But, it had worked for us at 425ft.
My point here is that if you have CAT5 breaks up at the top of the tower, make sure you go overkill on prep to prevent corrosion. Make sure you got silver to solver connectors or gold to gold connectors, not silver to gold that will oxidide. Dont jsut go enclosure, but go NEMA. Bob's suggestion of Coax up the tower, sounds safer though. Bob, do you have any suggestions on GOOD EOC brands? I was thinking of doing it that way on an upcoming project. Sure I could google it, but with a new product up a tower at 500ft, I'd prefer a trusted recommendation. Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband ----- Original Message ----- From: RickG To: WISPA General List Sent: Monday, August 09, 2010 9:15 PM Subject: Re: [WISPA] POE / Ethernet extenders You could do 400' IF you lock it down at 10Mbps. But then, what would be the point :) On Mon, Aug 9, 2010 at 5:18 PM, Mike <[email protected]> wrote: Bob that's a great idea, the second one. I don't recommend a 400' cat5 run however. Mike Gilchrist Disruptive Technologist Advanced Wireless Express P.O. Box 255 Toledo, IA 52342 239.770.6203 [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Bob Moldashel Sent: Monday, August 09, 2010 12:31 PM To: WISPA General List Subject: Re: [WISPA] POE / Ethernet extenders At 400' the CAT5 would probably work fine. Another option would be bias T's and Ethernet over Coax converters. Then just run a piece of LMR400 or even RG6 up the tower and you are ready to go. Use siamese (dual) RG6 and run power on one and Ethernet over coax on the other. Pretty straight forward. EoC converters are cheap. -B- Jason Hensley wrote: > Considering close to 400' total length. I've seen all the posts and I don't > think fiber is going to be an option, and 120v up the tower is definitely > not - owner won't allow that. The Outreach product is interesting, and I've > seen other things like it, but didn't know if they really worked that well > or not. NEMA enclosure for that is not a problem - I just need something > that is stable as this will be on a tower about an hour away. > > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Jason Hensley > Sent: Friday, August 06, 2010 3:32 PM > To: 'WISPA General List' > Subject: [WISPA] POE / Ethernet extenders > > Anyone used one on a tower to go beyond 100meters? I need to get higher > than that on a tower and looking for solid recommendations. > > Thanks! > > > > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ---------------------------------------------------------------------------- > ---- > > WISPA Wireless List: [email protected] > > 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: [email protected] > > 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: [email protected] 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: [email protected] 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: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
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