Yeah but it goes to 28vdc vs 24vdc. Those 4 extra volts might make a difference for folks doing 24 volt solar. On Oct 29, 2009, at 11:44 PM, Chuck Profito wrote:
> Their $135 against $119. > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On > Behalf Of [email protected] > Sent: Thursday, October 29, 2009 8:46 PM > To: WISPA General List > Subject: Re: [WISPA] Fault tolerant tower deployment > > Some remote control devices I've been looking at for remote > controlling our generator: > > http://www.controlbyweb.com/webrelay-quad/ (this one comes in a > commercial model that accepts 9-28vdc power) > > Greg > > On Oct 29, 2009, at 10:50 PM, Chuck Profito wrote: > >> Or do it your way and add this to the mix, and to switch radios you >> don't >> have to go to the tower. >> >> http://www.dinrelay.com >> >> this unit saves the trip up the hill. Small one $125 with auto >> reboot, 16 >> port $295 >> >> All of our towers have these and a few repeaters. Now with auto >> reboot on >> most of the radio boards, >> it's mostly used to boot routers, switches, or hung boards. >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] >> On >> Behalf Of Mike >> Sent: Thursday, October 29, 2009 7:29 PM >> To: [email protected]; WISPA General List >> Subject: Re: [WISPA] Fault tolerant tower deployment >> >> Based at least partly on what I've learned on this list: >> >> An enclosure can contain radios from 2 different bands with no >> issues. >> >> A dual band sector has less wind loading than one of each. >> >> Radios and enclosures have gotten cheaper. >> >> It really wouldn't be any more complicated than having a spare radio >> "on the tower," if implemented properly. If an entire router or power >> supply failed there would be an entirely redundant unit ready to go >> into service. >> >> So there would be no single unit. If either radio, or either router >> died, the drone would take over. Each antenna would have a redundant >> radio in a DIFFERENT enclosure. >> >> Mike >> >> >> At 09:07 PM 10/29/2009, you wrote: >>> I think the concept of combining functionality into single units >>> and fault >>> tolerant redundancy are mutually exclusive. >>> >>> I believe more people have had problems with more complicated >>> installs than >>> more simple ones vs. failed components on simple installs. I think >>> a well >>> planned combination of both including redundancy where it counts >>> would be >>> best IMO >>> >>> Scott Carullo >>> Brevard Wireless >>> 321-205-1100 x102 >>> >>> >>> ---------------------------------------- >>> >>> From: "Mike" <[email protected]> >>> Sent: Thursday, October 29, 2009 9:05 PM >>> To: "WISPA General List" <[email protected]> >>> Subject: [WISPA] Fault tolerant tower deployment >>> >>> I have been thinking of putting together a fully fault tolerant >>> tower >>> setup. >>> >>> 1 antenna; two radios. Separate CAT5, separate box. If one radio >>> failed, the other would come on-line. The replacement climb would >>> be >>> taken out of the EMERGENCY category. >>> >>> A complete system would be a 3) 5.8 120 degree sectors, plus 3) 2.4 >>> (or 900 MHz) degree sectors. 6) small waterproof enclosures would >>> contain a router and one of each radio. >>> >>> I know on some of the MT router boards there is a fan header that >>> could be used to energize a relay. Microwave relays are readily >>> available and have acceptable insertion loss. Would a stripline >>> divider like Cameron suggested in another thread be the answer >>> instead? Passive solutions are always better. If the antennas were >>> dual-band, wind load on a tower could really be lowered. Besides >>> redundancy, consolidating wind load would be my goal. >>> >>> Has anybody done anything like this? Can't seem to find any on the >>> net. >>> >>> Am I mad? Mike >>> >>> > --------------------------------------------------------------------------- >> - >>> ---- >>> 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! 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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! 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