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IDNet Help / Re: FTTP New Installation Process
« Last post by Simon on May 11, 2024, 10:54:22 »
As an amateur in these matters who has picked up what knowledge I have from various groups and forums (fora the pedantic) around the internet, AFAIK the head-end exchanges are normally existing exchanges as they already have most of the kit required.  There will be a lot of space in those buildings once the exiting copper-based infrastructure is no longer required so there may well be a business decision to move to different premises once the copper is done but that is many years away yet.

Shouldn't that be fora for the pedantic?   ;) ;D
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IDNet Help / Re: FTTP New Installation Process
« Last post by Postal on May 11, 2024, 09:13:24 »
Are the head-end exchanges separate from and different from the old telephone exchanges?

As an amateur in these matters who has picked up what knowledge I have from various groups and forums (fora the pedantic) around the internet, AFAIK the head-end exchanges are normally existing exchanges as they already have most of the kit required.  There will be a lot of space in those buildings once the exiting copper-based infrastructure is no longer required so there may well be a business decision to move to different premises once the copper is done but that is many years away yet.
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IDNet Help / Re: FTTP New Installation Process
« Last post by armadillo on May 10, 2024, 21:03:46 »
That distance isn't a problem with fibre. My parents used to get 4Mbps on ADSL on a good day as the run from the exchange is about 4 miles. They now have rock solid 55/10 FTTP with the ability to order the 900Mbps service.
That is rather amazing - in a good way!
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IDNet Help / Re: FTTP New Installation Process
« Last post by armadillo on May 10, 2024, 20:56:49 »
Perhaps a little bit of explanation.....
Brilliant post! Thank you for a clear and comprehensive explanation. I did not realise that the FTTP supply was so independent of the current exchange map.

Are the head-end exchanges separate from and different from the old telephone exchanges?

I suppose that the problem for people in villages like my friend's is that there are very few residents there and no existing fibre service at all. So there is a lot of cost and little profit for any provider in creating infrastructure.

The USO aspect is interesting. My friend is a technophobe, I might even say techno-hostile, so the USO process would have to depend on initiation by a more techno-receptive member of the village if there are any.
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IDNet Help / Re: FTTP New Installation Process
« Last post by john7 on May 10, 2024, 15:59:46 »
My router was just switched from the existing connection to the new one and it clearly needed changing.
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IDNet Help / Re: FTTP New Installation Process
« Last post by nowster on May 09, 2024, 11:13:51 »
I think I have sorted my poor upspeed I changed the MTU to 1492 and up and down are now over 500Mb. Why something are crucial like that isn't in the setup information is beyond me.

The PPPoE connection needs to have an MTU of 1492 to allow for encapsulation overhead within the 1500 byte Ethernet frames. Most kit/software does this automatically.
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IDNet Help / Re: FTTP New Installation Process
« Last post by Simon on May 08, 2024, 14:11:43 »
Glad you got it sorted, John.
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IDNet Help / Re: FTTP New Installation Process
« Last post by john7 on May 08, 2024, 14:02:06 »
I think I have sorted my poor upspeed I changed the MTU to 1492 and up and down are now over 500Mb. Why something are crucial like that isn't in the setup information is beyond me.
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IDNet Help / Re: FTTP New Installation Process
« Last post by Postal on May 08, 2024, 09:56:58 »
Perhaps a little bit of explanation about the FTTP supply might be helpful.  The roll-out of FTTP is an ongoing process and even at the end of the roll-out there will still be some properties not connected to fibre.  The government have defined a USO (Universal Service Obligation) - https://commonslibrary.parliament.uk/research-briefings/cbp-8146/ - which stipulates 10Mbps download and 1Mbps upload as the minimum acceptable connection at a cost of £45 per month or less.  The USO can be discharged by any means so that a mobile telephone signal or Starlink-type connection would be as acceptable as a ground based service.  If the area is not in the BT plan but an altnet supplier serves the area that then discharges the USO.  There is an excess charge get-out clause but for most people currently tied to things like a 4Mbps download then a faster connection in some form will be coming in the not too distant future.

In regard to BT connections (which includes all of the ISPs who buy capacity at wholesale from BT) the FTTP supply has no relation to the existing telephone exchange map.  There are fewer nodes for the FTTP system than there are for the old telephone-line connections with the fibre being supplied from head-end exchanges covering the area of a number of smaller, subordinate exchanges.  Where premises are supplied with FTTC through their existing phone line (sold by the ISPs with the weasel-word "fibre") then the fibre from the head-end exchange is already in existence and runs to the cabinet supplying the property.  The additional work required is to run fibre in parallel to the copper wire from the existing cabinet site to each of the premises served.  Altnets each have there own system with their own fibres installed from a node where the altnet has access to the internet spine through switches and splitters to each of the premises they serve running alongside any BT installation.  The farcical result of that is that in the areas where there is competition an ONT (Optic Network Termination) - the equivalent of the telephone master socket - needs to be supplied to each of the premises for each of the networks when that service is installed.  These are the demarcation point of the network and are the property of the network so cannot be removed unilaterally by the premises owner.  People switching networks and suppliers could end up with two or three ONTs on their internal wall.

In summary, even people who are a long way from any exchange and suffering low speeds have a right to be connected with a guarantee of 10Mbps download and 1Mbps upload.  If there are no published plans to achieve that connection they should use the USO process to start things moving.
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IDNet Help / Re: Internet stopped, routers all reset on their own
« Last post by nowster on May 08, 2024, 00:17:47 »
My modem has the power, PON and LAN lights all solid green.

That's the ONT (Optical Network Terminal). It's not strictly a modem though many places refer to it as such.

https://neosnetworks.com/resources/blog/optical-network-terminal-ont/
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