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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