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Author Topic: G.fast commercial roll out in progress  (Read 6640 times)

lee111s

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Re: G.fast commercial roll out in progress
« Reply #15 on: August 13, 2017, 03:16:00 PM »

Thanks for the pictures.

That's the first time I've seen a well documented picture showing the g.fast pod in relation to the other cabinets around it.

I didnt realise the pod attached to the copper cabinet first. I thought they would be attached to the fttc cabinets.

With G.Fast, the length of the copper line from the cab to the customer is even more critical than FTTC. It's always been the plan to mount them to the PCP.
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Ignitionnet

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Re: G.fast commercial roll out in progress
« Reply #16 on: August 13, 2017, 03:30:54 PM »

Yup. If you aren't getting the full sync from FTTC you aren't likely to benefit from G.fast, at least for now.
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Dray

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Re: G.fast commercial roll out in progress
« Reply #17 on: August 13, 2017, 04:18:59 PM »

What sort of line length would be the longest to get any significant benefit from g.fast?
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Chrysalis

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Re: G.fast commercial roll out in progress
« Reply #18 on: August 13, 2017, 04:31:29 PM »

look at your bitloading or snr per tone graph

look at the far right end of vdsl range

add 2-3 bits or 6-9db to pretend no crosstalk

gives indication of how well you might do at start of g.fast range.
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Ignitionnet

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Re: G.fast commercial roll out in progress
« Reply #19 on: August 13, 2017, 04:32:35 PM »

Depends what you mean by significant. Due to it, for now, having to run on higher frequencies than VDSL 2 it is pointless by at best 500m. That's optimistic if anything. Once it can use the same spectrum as VDSL it will probably get lines of 500m up to an aggregate bandwidth, shared between upstream and downstream, of 150-200Mb.
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ktz392837

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Re: G.fast commercial roll out in progress
« Reply #20 on: August 13, 2017, 07:03:58 PM »

Some cabinets are being reshelled to permit connection of a pod, and there's already one on the cabinet that serves me. I am regrettably too far from it to benefit but a number will.
My copper cabinet was reshelled from a thick plastic type to a metal one a short time ago - probably just coincidence though usually at the end of rollouts not the start.  the fttc cab is probably 30m further away I may just be on the cusp of gfast.  As I am on a eci cab gfast gives me some benefit as I assume ginp and vectoring will be standard with gfast?  Probably going to way to expensive I guess though compared to fttc.
« Last Edit: August 13, 2017, 07:15:46 PM by ktz392837 »
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Ixel

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Re: G.fast commercial roll out in progress
« Reply #21 on: August 13, 2017, 07:45:42 PM »

My copper cabinet was reshelled from a thick plastic type to a metal one a short time ago - probably just coincidence though usually at the end of rollouts not the start.  the fttc cab is probably 30m further away I may just be on the cusp of gfast.  As I am on a eci cab gfast gives me some benefit as I assume ginp and vectoring will be standard with gfast?  Probably going to way to expensive I guess though compared to fttc.

As far as I know, due to the high frequencies g.fast uses, retransmission and vectoring are mandatory for this technology to function adequately.
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Ignitionnet

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Re: G.fast commercial roll out in progress
« Reply #22 on: August 13, 2017, 10:35:37 PM »

As far as I know, due to the high frequencies g.fast uses, retransmission and vectoring are mandatory for this technology to function adequately.

No doubt about that one, you're spot on. Vectoring is mandatory for G.fast.
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Chrysalis

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Re: G.fast commercial roll out in progress
« Reply #23 on: August 13, 2017, 11:14:02 PM »

I assume you will be signing up as soon as possible ignition :)
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Ignitionnet

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Re: G.fast commercial roll out in progress
« Reply #24 on: August 14, 2017, 12:35:49 AM »

Nope. Too far from the node.
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kitz

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Re: G.fast commercial roll out in progress
« Reply #25 on: August 14, 2017, 11:09:11 AM »

Thanks for the photos.  :)

I suppose it could be considered a bit unsightly if you think that when they moved in there would have only been the PCP.  However, after a while and once that hedge has grown a bit more it should blend in more.   Most of the time we dont notice cabs.  Near my parents home there are mobile masts which are IMHO much more noticeable because there boxes are grey.
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Bowdon

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Re: G.fast commercial roll out in progress
« Reply #26 on: August 14, 2017, 11:32:34 AM »

yea, I'm right at the limit for fttc and now I'm at 62mb so I'd suffer if I had G.fast.

I'm hoping either for G.fast to be pushed out further, or FTTP, though thats probably dreaming too much lol.

I'll be interested to hear the of peoples experiences with G.fast when it finally comes out.
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McGrath1982

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Re: G.fast commercial roll out in progress
« Reply #27 on: August 14, 2017, 06:43:11 PM »

Here is a video on G.Fast that someone has had installed. I don't know if anyone has seen it or not. The BT Home Hub 6 X just looks the same as the Hub 6. Anyway here is the link.


https://youtu.be/7hP092uuTwk
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Ignitionnet

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Re: G.fast commercial roll out in progress
« Reply #28 on: August 14, 2017, 06:56:16 PM »

I'm going to try and find out what Openreach's plans are for those too far from G.fast pods to benefit.
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Chrysalis

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Re: G.fast commercial roll out in progress
« Reply #29 on: August 14, 2017, 06:59:18 PM »

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