yes, POTS is the critical bit, the internet/data is an extra without guarantee, ie it is not a critical component, voice is.
On 5/10/20, Baldur Norddahl <baldur.nordd...@gmail.com> wrote: > Hi Nick > > Have you considered using CPE DSL routers with VoIP and FXP analog out? > Decentralized. That's what everyone are doing here. Might be free depending > on where you get the CPEs. > > Or simply getting VoIP handsets. Lots of cheap DECT bases with VoIP. > > Regards > > Baldur > > > søn. 10. maj 2020 14.51 skrev Nick Edwards <nick.z.edwa...@gmail.com>: > >> On 5/8/20, Baldur Norddahl <baldur.nordd...@gmail.com> wrote: >> > On Thu, May 7, 2020 at 11:14 AM Masataka Ohta < >> > mo...@necom830.hpcl.titech.ac.jp> wrote: >> > >> >> >> >> Investment for FTTH is 10 times or more than that for plain DSL. >> >> >> >> >> > We are assuming the copper plant is already there otherwise I will >> > respectfully disagree. >> > >> > However the economic is not as simple as you might think. Lets do some >> > calculations. >> > >> > Assume we can build the fiber plant for 1 million USD (*). This fiber >> > can >> > be depreciated over 25 years. That means we only take USD 40,000/year >> > of >> > the company profit. >> > >> > The copper plant is already there but the DSLAM is missing. Assume USD >> 100 >> > per port plus USD 100 per DSL CPE. This equipment can only be >> > depreciated >> > over 5 years. With 1700 ports this gives USD 68,000/year of the company >> > profit. >> > >> >> a 48 port dslam is 2200 (still awaiting cots on line cards for above >> mentioned chassis) so its about 45 per port, CPE is about 50 a device >> in bulk (inc 4 gb ports, wifi) >> >> The copper exists, there is no ripping it out >> >> Due to location RF links are used for data, so no need to give each >> cabin "future proof" since unless a carrier will run fibre to us for >> 100's miles at their cost - it just aint happenin, the cost is >> extremely prohibitive. >> >> > Not claiming these number are anything but fantasy as I know nothing >> about >> > the layout of the project. Just illustrating that sometimes more money >> now >> > does not necessary means less profit for a company. >> > >> > (*) yes 1700 installs could be done for that in optimum circumstances. >> > It >> > could also be much more expensive, all depending. >> > >> > Regards, >> > >> > Baldur >> > >> >