What NOT to do is try and attach GPS as a side-kit to an existing TDMA protocol. That was a terrible idea.
On Fri, Aug 19, 2016 at 2:37 PM, Ken Hohhof <[email protected]> wrote: > Looks like IEEE 1588v2 is more complicated than that, more like NTP. Or > telco Stratum clocks. > > It may assume each client has a free running clock and just needs periodic > timing adjustments to keep it in sync with the master. > > I guess an example of what NOT to do is that thing Ubiquiti tried. > > > -----Original Message----- From: [email protected] > Sent: Friday, August 19, 2016 2:29 PM > To: [email protected] > Subject: [AFMUG] Fw: Props to Netonix > > > Well, that assumes every baud would be a timing pulse. I think you could do > that on the physical layer OK. Just make one end GPS referenced and use > some kind of sync extractor. Count up 125,000,000 bauds and you have one > second. > > -----Original Message----- From: [email protected] > Sent: Friday, August 19, 2016 1:27 PM > To: [email protected] > Subject: Re: [AFMUG] Props to Netonix > > With GigE, you are sending 125 Mbaud. > So that would be an 8 nanosecond timing granularity. > Should be good enough. Forrest would know for certain. > > -----Original Message----- From: Adam Moffett > Sent: Friday, August 19, 2016 1:11 PM > To: [email protected] ; [email protected] > Subject: Re: [AFMUG] Props to Netonix > > Maybe, but in more general terms it propagates a clocking signal across > ethernet. > > I don't think there's any reason it couldn't be used to propagate a 1pps > GPS clock. > > Like any good standard, there's more than one to choose from. You have > an ITU and IEEE variant that do the same thing only different. > > > ------ Original Message ------ > From: "Josh Reynolds" <[email protected]> > To: [email protected] > Sent: 8/19/2016 2:51:24 PM > Subject: Re: [AFMUG] Props to Netonix > >> Isn't SyncE for supporting Telco/TDM circuits over ethernet/microwave >> networks? >> >> On Fri, Aug 19, 2016 at 1:42 PM, Ken Hohhof <[email protected]> wrote: >>> >>> That would seem to be a non trivial addition, and vendor specific. >>> >>> What is the status of radio manufacturers adding SyncE support? I >>> really >>> don’t know anything about SyncE, but that seems like the way we should >>> be >>> heading. Does SyncE apply to optical interfaces also? >>> >>> >>> From: Eric Muehleisen >>> Sent: Friday, August 19, 2016 1:36 PM >>> To: [email protected] >>> Subject: Re: [AFMUG] Props to Netonix >>> >>> Cherry on the top would be the ability to provide sync over power. >>> >>> On Fri, Aug 19, 2016 at 1:18 PM, Erich Kaiser >>> <[email protected]> >>> wrote: >>>> >>>> >>>> In all my years of doing this this is the most impressed I am with an >>>> item >>>> out of the box, I am very impressed with the Netonix switches, very >>>> simple >>>> to use, great features, and best of all it works as advertised! Having >>>> the >>>> variable voltage input on DC version is absolutely awesome! Keep up >>>> the >>>> good work! >>>> >>>> Even the DIN mount is impressive and well thought out! >>>> >>>> >>>> Erich Kaiser >>>> North Central Tower >>>> [email protected] >>>> Office: 630-621-4804 >>>> Cell: 630-777-9291 >>>> >>> >>> > >
