OK, I've got a customer that's already in love with that controller. Anyone know of something that'll give temp and pressure readouts? The farmers are gonna go nuts for these things. marlon
----- Original Message ----- From: "Chuck Profito" <[email protected]> To: "'WISPA General List'" <[email protected]> Sent: Thursday, October 29, 2009 10:01 PM Subject: Re: [WISPA] Fault tolerant tower deployment > Yes I see that, good point, the dl will do 40Vdc but 24 is max > recommended. > It also drops out at 8. > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of [email protected] > Sent: Thursday, October 29, 2009 9:18 PM > To: WISPA General List > Subject: Re: [WISPA] Fault tolerant tower deployment > > 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! 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