[chbot] Recommendations for fibre in CHCH
Mark Atherton
markaren1 at xtra.co.nz
Fri Mar 5 01:57:10 GMT 2021
When you say "owned by the network" do you mean owned by the ISP ?
Thanks, Mark
On 5/03/2021 2:43 PM, Spencer Travers wrote:
> Mark,
>
> The Enable street cabinets contain passive optical splitters and I do
> not believe they require power.
>
> The technology used is GPON, where the P is for passive.
>
> In general terms, one fibre comes from the "exchange" and is passively
> split at the cabinet (up to 32 ways?) to you and your neighbours. The
> ONTs are responsible for multiplexing/demultiplexing in coordination
> with one another. This is part of the reason they are owned by the network.
>
> Spencer
>
> On Fri, Mar 5, 2021 at 1:17 PM Mark Atherton <markaren1 at xtra.co.nz
> <mailto:markaren1 at xtra.co.nz>> wrote:
>
> Thanks Helmut.
>
> I am familiar with VOIP, I have 2talk account and a collection of VOIP
> phones, and ATAs.
>
> I can deal with local power within the premises, but much more
> concerned
> that the cabinets back to the CO will still be powered (if indeed they
> need such).
>
> Presumably Central Offices still have huge backup batteries since they
> will be feeding cell-towers etc.
>
> So, really just trying to understand the whole mess.
>
> We do have two cell-phones, each with separate suppliers, so diversity
> there. Also have a means to connect mobile-data into the local network
> via a bridge, should we lose regular internet.
>
> If we are going to make changes, I am interested in learning about
> data-supply limitations before we push the purchase button, not after :)
>
> Regards, Mark
>
> PS thanks for those links; interesting reading.
>
>
>
> On 5/03/2021 11:40 AM, Helmut Walle wrote:
> > Sorry, Mark - I did not respond to the dial tone question
> initially, because you had already
> > mentioned that you would need backup power for your router to
> keep it going, and that the rest
> > of the system would need to have a backup power supply, too - so
> it looked like an acknowledged
> > and well understood issue.
> >
> > But actually there may be a little bit more to it... as per
> Charles's comment below the dial
> > tone itself is generated by the router if the router does have
> analogue / POTS telephony ports
> > (many or probably most do, but if it's important check what you
> get or are buying). If it does
> > not you can still use a VoIP app on any terminal equipment
> (Mobile phone, tablet, laptop,
> > desktop PC) connected to a VoIP service via any Internet
> connection (you can for example run a
> > VoIP call using a mobile phone over a 4G/LTE based Internet
> connection just fine, even though
> > that is not the "standard" way of making voice calls on 4G). If
> you need to be able to connect
> > an old-style analogue phone you will either need a router with
> support for analogue phones, or
> > you can add an Analogue Telephone Adapter (ATA) that provides
> both the physical interface and
> > all the protocols required for VoIP calling. Or you can use a
> VoIP phone set to plug into your
> > LAN. Obviously any and all of these devices needs backup power.
> >
> > Now there is a further point to consider: the fibre does not plug
> into the router. The fibre
> > will per definition only reach to the optical network termination
> (ONT). In principle this could
> > be anywhere, but in practice it will probably end up being either
> close to where the line enters
> > the house, or if there is a telecommunications cabinet (probably
> the case in all recent builds)
> > where all the various networs cables are ending (TV, LAN, phone,
> ...) it will be there. The ONT,
> > true to its name, terminates the optical network connection at
> the customer premises end, and it
> > provides a range of demultiplexing / multiplexing services and
> respective physical ports. It
> > will at least have an Ethernet port (should be Gbps), because
> that is needed to connect the
> > router, and it may well have analogue telephony ports, too. The
> ONT that came with my "default"
> > fibre install has 4 x Eth and 2 x Phone. Only one of my Eth ports
> is used to connect the router.
> > But I am not using the phone ports on the ONT at all, because the
> ONT is in the telecoms cabinet
> > in the garage, whereas the router is in the lounge, and that is
> where I need the phone. The
> > "default" router that I got also has two analogue phone ports...
> >
> > Soooo - for me to have a dial tone during a mains outage, I would
> need backup power for both ONT
> > and router. And that is in addition to backup power for the phone
> itself, because, although it
> > is an "analogue" phone it actually is a wireless type that
> obviously also needs a power supply.
> > Now where I wrote backup power, none of these devices really need
> an AC mains supply, as they
> > all happen to come with a plug pack anyway... So a much simpler
> "UPS" consisting just of a
> > battery and a trickle / maintenance charger would be quite
> sufficient.
> >
> > With all of that hassle in mind, and mains outages being quite
> rare here, a mobile phone may be
> > the better option for emergency calling.
> >
> > Further to the technical discussion above, there are also
> regulations in place to set out
> > requirements for emergency calling services. These also include
> requirements for making
> > customers aware of the possibility of loss of certain services in
> the event of a power outage.
> > If you are interested in that the NZ Telecommunications Forum may
> be a starting point,
> > specifically the "Broadband Product Disclosure Code" and the
> "Emergency Voice Calling Services
> > Code":
> >
> >
> https://www.tcf.org.nz/industry/standards-compliance/customer-experience/broadband-product-disclosure/
> >
> https://www.tcf.org.nz/industry/standards-compliance/customer-experience/broadband-product-disclosure/
> >
> > I am not too familiar with the higher-level regulatory framework
> and its drivers, but the
> > Telecommunications Act could provide relevant information.
> Schedule 2A of the Act about the
> > Copper Withdrawal Code may be relevant, too. The finalised Copper
> Withdrawal Code itself has
> > just been published recently
> >
> https://comcom.govt.nz/regulated-industries/telecommunications/projects/copper-withdrawal-code?target=documents&root=210534
> >
> >
> > Kind regards,
> >
> > Helmut.
> >
> >
> > On 05/03/2021 08:32, Charles Manning wrote:
> > [...]
> >>
> >> Unlike with ADSL, you will not get a dial tone in a power
> outage. There is no ring voltage over
> >> fibre because it is non-conductive. That has to be recreated
> in-house by the fibre modem thingy
> >> (I assure you that is the correct technical term :-)). If that
> is not getting power then no dial
> >> tone. If you have a UPS then you should be good.
> >>
> >> -- Charles
> >
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