I really can't see a good reason for airFiber not to have an SFP port... I really don't think anyone would mind if it added a couple bucks to the cost. I think it would even make sense to have an SFP option on something like the titanium Rockets... the standard Rockets, no probably not.
On Tue, Feb 3, 2015 at 8:46 AM, Mike Hammett <af...@ics-il.net> wrote: > You can do that on a separate DC system. I've seen multiple manufacturers > say you can't on a PoE system. > > Are your links filling the GigE? > > Most of the time people aren't concerned with protecting the radio, but > whatever likely more expensive gear is inside or the structure itself. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ------------------------------ > *From: *"Ken Hohhof" <af...@kwisp.com> > *To: *af@afmug.com > *Sent: *Tuesday, February 3, 2015 8:40:31 AM > > *Subject: *Re: [AFMUG] Survay Monkey Should UBNT Make a Radio With > AFiber port? > > Many manufacturers recommend surge protectors at both ends. It’s > certainly possible, I have licensed gigabit POE radios with protectors top > and bottom and no errors. > > I’ve never seen how a surge protector at the bottom of the tower protects > the radio at the top, seems like it protects the router/switch/POE. > > Not saying I love my Purewave system, but it has 48VDC on a separate pair > of wires and they have you put DC protectors top and bottom. They told me > field failures of basestations went way down with the addition of the DC > protectors. And capacitance is no issue, you can put big old MOVs, gas > tubes, diodes, whatever you want on there to absorb the surge. > > > *From:* Mike Hammett <af...@ics-il.net> > *Sent:* Tuesday, February 03, 2015 7:04 AM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] Survay Monkey Should UBNT Make a Radio With AFiber > port? > > Easier to protect power alone than power + data. Usually I see the data > going out anyway vs. the power side. > > I really did mean ESD as I separated ESD and lightning. > > Usually the manufacturer recommends only one additional surge suppression > device as to data capacitance issues. That restriction goes away with > separate power + data (over fiber). > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ------------------------------ > *From: *"Ken Hohhof" <af...@kwisp.com> > *To: *af@afmug.com > *Sent: *Monday, February 2, 2015 10:48:29 PM > *Subject: *Re: [AFMUG] Survay Monkey Should UBNT Make a Radio With > AFiber port? > > Why do you say no more ESD issues? (I think you really mean lightning > issues, I don’t buy this wind blowing across the plastic nonsense.) > > A lot of the time when radios get zapped, it’s the power circuitry that’s > damaged. You are still powering the radio over copper. Until you figure > out how to power it with light, you are vulnerable to surges. > > It helps a lot if you put a DC surge protector right at the radio, but how > many people do? > > And as long as you have a coax jumper to the antenna, you are vulnerable > to surges finding a path from the antenna to ground via the radio. Again, > can be mitigated with a good coax surge protector, but how many people do > that? > > Inside a POE fed radio, there should be transformers in the data path, > it’s the power path that has DC continuity. The Ethernet transformers > should provide quite a bit of resistance to surges due to primary/secondary > isolation, possibly a ground foil between primary and secondary, plus > differential surges should be attenuated by transformer core saturation. > So the most vulnerable circuitry is the power path. Which still exists if > you have DC power and data over fiber. > > > *From:* Mike Hammett <af...@ics-il.net> > *Sent:* Monday, February 02, 2015 10:35 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] Survay Monkey Should UBNT Make a Radio With AFiber > port? > > No more ESD issues. No more lightning issues. No more RF issues. > > *EVERYTHING* on a tower should be fiber. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ------------------------------ > *From: *"Brett A Mansfield" <br...@silverlakeinternet.com> > *To: *af@afmug.com > *Sent: *Monday, February 2, 2015 9:54:16 PM > *Subject: *Re: [AFMUG] Survay Monkey Should UBNT Make a Radio With A > Fiber port? > > I personally wouldn't want to have to run fiber and power to the airFiber. > One cable is already enough. There is really no reason for fiber on any of > their products. With that said, it's pretty cheap to put the SFP on. There > is also no reason they cannot put them both on at least the airFiber. > > Thank you, > Brett A Mansfield > > On Feb 2, 2015, at 8:45 PM, Jason McKemie < > j.mcke...@veloxinetbroadband.com> wrote: > > It cannot possibly cost very much - a $35 rb260gs has a sfp port... > > On Monday, February 2, 2015, Peter Kranz <pkr...@unwiredltd.com> wrote: > >> I don’t think this passes the economic factors model for them.. I don’t >> think they would sell enough of them to make it worth the engineering, mold >> work, etc… >> >> >> >> >> *Peter Kranz*Founder/CEO - Unwired Ltd >> www.UnwiredLtd.com <http://www.unwiredltd.com/> >> Desk: 510-868-1614 x100 >> Mobile: 510-207-0000 >> pkr...@unwiredltd.com >> >> >> >> *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *timothy steele >> *Sent:* Monday, February 02, 2015 4:57 PM >> *To:* af@afmug.com >> *Subject:* [AFMUG] Survay Monkey Should UBNT Make a Radio With A Fiber >> port? >> >> >> >> posting this Survay on All the forums Want to see what you guys think >> Should UBNT Make A Radio with a Fiber Port? I Will Send the Graph to the >> UBNT Team >> >> >> >> https://www.surveymonkey.com/s/8SPM9NT >> >> >> >> Thanks! >> > > > >
