Yeah, but if you have say... 5 volts/100 foot (I know...) of cable drop, if you stick a 24 volt power supply there you'll have just enough power to get to the top on a 300 foot run...
Now you say don't make the length longer than 50-70 meters... well make it to where I don't have to put them up so high to get the most distance. 50-70 meters would get you almost half way on some of my installs... and they actuall work fine... Now just give me a 2.4 Ghz radio that's pumping out say... 5 or 10 watts... then I'll be happy... :D I'll be able to run the RF cable up several hundred feet and not the radio... -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Vasu (sB Tech Team) Sent: Monday, July 07, 2003 1:04 To: [EMAIL PROTECTED] Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo Then make sure the length of the ethernet cable is longer than 50 - 70 meters so that overpowering the units might not be appropriate for the units, Vasu -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dan @ Wyoming.com Sent: Monday, July 07, 2003 12:39 PM To: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]' Subject: Re: [smartBridges] Now have 45 customers on 1 aPPo Alex the biggest reason to go with 24V is because it is a more standard power supply. We buy the Motorola Canopy Power Shot's for $8.00. When I went looking for 18V power supplies I couldn't find anything under $20.00 (Most were about $40.00). I also had a heck of a time trying to find dealers that carried the 18V with DC out put. So you might say 24V doesn't buy me anything extra, but it sure does save me alot of cash. And cash is the reason we are all doing this. Thanks.........Dan On Mon, 7 Jul 2003 11:23:36 +0800 "sB Tech Support" <[EMAIL PROTECTED]> wrote: > I think it is enough to stay with 18V according to our spec. Going > beyond 18V does not buy you anything extra. > > Alex > sB Tech Support > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Dan @ > Wyoming.com > Sent: Monday, July 07, 2003 6:25 AM > To: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]' > Subject: Re: [smartBridges] Now have 45 customers on 1 aPPo > > I would go with 24v so you know there wont be a problem. Alex can't > tell you that because they don't have that in their specs, but we > are > doing it just fine. At 310' I would worry about your ethernet > connection though. We use the Motoralo Canopy Power Shot that is > 24V > and they use the same pin out as the SB radios. > > Thanks.......Dan > > On Sun, 6 Jul 2003 14:11:11 -0500 > "Shawn Mitchell" <[EMAIL PROTECTED]> wrote: > > ok... so if you goto say.... 150 feet... you need to use the 18v... > > but > > would it be better to use the 24v when your nipping at that 310 > >foot > > mark? > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Behalf Of sB Tech Support > > Sent: Sunday, July 06, 2003 11:51 > > To: [EMAIL PROTECTED] > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > Yes I understand some are using higher voltage than 18V, like 24V, > > and > > is working fine and that is the maximum limit I will say. However, > > we > > have to tell you the specification from sB is 18V for cable length > > longer than 50m. > > > > Alex > > sB Tech Support > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Dan @ > > Wyoming.com > > Sent: Sunday, July 06, 2003 1:33 PM > > To: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]' > > Subject: Re: [smartBridges] Now have 45 customers on 1 aPPo > > > > Just FYI Alex..... > > > > I have been using a Motorola Canopy 24V power shot on my link for > > about 2 months now. I had 3 radio's die at my house before I put > > the > > bigger power supply in. So now the 4 radio has a 24V power supply > > and > > hasn't missed a beat yet. Seems like someone from SB mentioned > >once > > before to never put anything over 24V which gave us the idea. He > > said > > DO NOT USE A 30V POWER SUPPLY. Anyways my 24V power shot has been > > working great. Only down side is that I can't default the radio > > with > > the Canopy power shot. > > > > Thanks............Dan > > > > > > On Sun, 6 Jul 2003 11:41:59 +0800 > > "sB Tech Support" <[EMAIL PROTECTED]> wrote: > > > No, the max voltage used is 18V which is stated in > > > http://www.smartbridges.com/new/products/ps.php . Using higher > > > voltage > > > of 48V in this case will damage the equipment. > > > > > > Alex > > > sB Tech Support > > > > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On Behalf Of Shawn > >Mitchell > > > Sent: Sunday, July 06, 2003 11:29 AM > > > To: '[EMAIL PROTECTED]' > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > Which reminds me... Alex.. you never answerd my question... Can > >the > > > SB's > > > support taking a 48volt DC input? > > > > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Shawn > >Mitchell > > > Sent: Saturday, July 05, 2003 22:25 > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > Anyone that makes UPS's for datacenters... Triplite.. APC.. > >Lorain > > > (Their Vortex series)... Lambert.... and about a dozen more... > > A > > > lot > > > of datacenter equipment is 48v DC powerd... > > > > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Westman, > > >Michael > > > (324) > > > Sent: Saturday, July 05, 2003 21:41 > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > Who makes the 48v UPSes? > > > > > > -----Original Message----- > > > From: Shawn Mitchell [mailto:[EMAIL PROTECTED] > > > Sent: Saturday, July 05, 2003 8:35 PM > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > Even cheaper... 12volt car batt, 12 volt charger with a trickle > > > charge > > > capability.... :D > > > > > > But they do make UPS's that spit out 48v DC with a normal utility > > > input... According to the PoE spec's, equipment is suppose to > >be > > > able > > > to take 12-48volts... But SB would have to comment on if they > > > accually > > > followed the spec's/RFC's.... :D > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Tom Haynes > > > Sent: Saturday, July 05, 2003 18:30 > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > You can make one easy enough. Around $130-180. Look at > >altronix.com > > > for > > > the 18-24vdc regulator/back/charger module ($45-75) get two 12v 7 > > > amphour ($12 ea) or larger gel-cell or sealed lead-acid batteries > > > and a > > > 1200VA transformer ($60-80) and you are all set. This will charge > > > the > > > batteries and regulate the voltage when AC is normal, back up to > > > batteries when AC fails and should run for 12-14 hours on > >batteries > > > if > > > you use the 7Ah ones. > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On Behalf Of Westman, > > > Michael > > > (324) > > > Sent: Saturday, July 05, 2003 6:03 PM > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > I just want a 1400 UPS from APC that spits out DC. That way we > > > don't > > > have to power the invertor. > > > > > > -----Original Message----- > > > From: Shawn Mitchell [mailto:[EMAIL PROTECTED] > > > Sent: Saturday, July 05, 2003 5:58 PM > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > These power condition as well... Their not the cheaper UPS's you > > > goto > > > Best Buy and pay $100 bucks for. I have software that I can look > > >at > > > the > > > power level's from the utility, and from the UPS plugs and see > >the > > > diff. > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Tom Haynes > > > Sent: Saturday, July 05, 2003 17:00 > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > > > > This does not pertain to your problem. Haveing an average UPS > >does > > > not > > > eliminate spikes, surges and some sags. Only ones labled as power > > > conditioning UPSs do that (and the cheaper one don't do it that > > > well). > > > When the average UPS is not on battery backup it acts just like a > > > surge > > > supressor and must be rated to handle the level of noise on your > > > power > > > lines. > > > Just an FYI > > > > > > TO SMARTBRIDGES - Has any testing been done to see how a non-sine > > > wave > > > AC source affects the units? Most UPS produce a modified square > > >wave > > > or > > > sawtooth AC wave and not a pure sine wave. > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On Behalf Of Shawn > >Mitchell > > > Sent: Saturday, July 05, 2003 4:06 PM > > > To: [EMAIL PROTECTED] > > > Subject: RE: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > Kinda sounds like something I came across a few weeks ago.... > > > > > > Here on my desk, I have a aPP. It's always up and running, > >plugged > > > into > > > a UPS and a network that has everything on a UPS. (so no surges > > > anyplace) Anyway, I upgraded the firmware several several weeks > > > back. > > > (forget when exactly). I got home, plugged in my laptop, slamed > >in > > > my > > > wireless card... and went no where. I associated just fine, but > >I > > > couldn't pass any packets. > > > > > > I got into simpleMonitor and looked at the ethernet stats, and it > > > shows > > > packets being sent and recived. I reboot the AP... > >reassociate... > > > and > > > it passes 3 packets, then dies... I went aroun and around with > >it > > > with > > > reset's, fact resets, fw reloads... etc etc... for about 2 hours. > > > > > > And after messing with it that long, I finally got it to work > > >again. > > > Kinda screwy if you ask me... something that's been sitting here > > > working > > > for that long then all of a sudden does that... > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Mark P. > > >Sullivan > > > Sent: Saturday, July 05, 2003 9:49 > > > To: [EMAIL PROTECTED] > > > Subject: [smartBridges] Now have 45 customers on 1 aPPo > > > > > > > > > > > > Well.thought I would keep everyone posted on my numbers. > > > > > > As of last weekend, we went from 30 to 45 units off a single > >aPPo. > > > I > > > actually have 30 units directly off my head-end aPPo (one of > >which > > > is > > > the repeater) and 15 more off the repeater. The latest 15 are > >all > > > airBridges. We are pulling about 1.2 Gig per day through the > > > head-end > > > (500 meg of which is from the repeater clients). > > > > > > 1. I did the bulk update with the latest simpleNMS and > >changed > > > RTS/CTS and FRAG to 1496 and 100 on all client units (not > > >head-end). > > > This was a pretty cool feature. However, twice within 1 day > >ALLLL > > > my > > > units lost association and I had to reboot my head-end aPPo to > >get > > > them > > > back. So.needless to say, I changed the RTS/FRAG settings back > >to > > > default. No problems since. > > > > > > 2. I used simpleDeploy to burn ALL new customers. I then > >hot > > > tested them for a minimum of 24 hours prior to deployment with > >none > > > of > > > them blinking an eye. Out of the 15 deployed, I have 3 units > >that > > > are > > > losing association and not getting it back. I have had the > > >customer > > > do > > > a power reset by pulling the plug, factory default reset, etc, > > > etc..but > > > no luck. Oddly enough, one of the 3 units just came back online > > > this > > > morning with no assistance. Pretty darn flakey! Note: all the > > > units > > > could be pinged from the wired side and logged into (but DEAD on > > >the > > > wireless side). Now I am going to go do some climbing and > > > replacing. > > > > > > Side Note: My head-end aPPo which has been online since Dec 25th > > > 2003 is > > > going down hill quick. The symptoms are this: > > > > > > 1. About 3-4 times a week, the unit becomes unresponsive on > > >the > > > Ethernet side while still passing traffic (hard reboot). > > > > > > 2. The RTS/FRAG thing mentioned above really had me shaking > >in > > > my > > > boots (reset to default). > > > 3. I have been working with sB for a while on this flakey > > >aPPo, > > > and > > > I am now struggling with EC to get a replacement unit before this > > > one > > > dies. > > > > > > I think that sB is awesome. They are VERY responsive and have > >even > > > phoned me personally to resolve issues. All my units previously > > > deployed are working wonderfully. 3 out of the latest 15 have > >not. > > > That doesn't look good, but I am sure they are getting to the > > >bottom > > > of > > > it. Maybe it is a bad simpleDeploy release?? > > > > > > > > > Sully > > > > > > > > > > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type > >unsubscribe > > smartBridges) > > Archives: http://archives.part-15.org > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type > >unsubscribe > > smartBridges) > > Archives: http://archives.part-15.org > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type > >unsubscribe > > smartBridges) > > Archives: http://archives.part-15.org > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > Archives: http://archives.part-15.org > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
