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Standard User 4Way
(member) Thu 16-Jun-16 23:26:09
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G.fast


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Now that the G.fast pod seems destined to be attached to the FTTC cab, how well will this work with aluminium cables between the cab and the end user?
Standard User WWWombat
(knowledge is power) Fri 17-Jun-16 01:57:07
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Re: G.fast


[re: 4Way] [link to this post]
 
Presumably less well than with copper.

But, as the only way to give you an answer is from experience, you need to find a researcher who has experimented with aluminium, or a subscriber with aluminium. Neither seems likely.
Standard User Nightglow
(member) Fri 17-Jun-16 08:29:14
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Re: G.fast


[re: 4Way] [link to this post]
 
Perhaps we will finally see a gradual replacement of aluminum cable now.smile


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Administrator MrSaffron
(staff) Fri 17-Jun-16 09:18:29
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Re: G.fast


[re: 4Way] [link to this post]
 
It is attaching to the PCP not the FTTC cab.

Not very well over aluminium, maybe those areas will eventually see FTTP - too early to guess that.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User MaryHinge
(member) Fri 17-Jun-16 09:45:12
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Re: G.fast


[re: 4Way] [link to this post]
 
Copper isn't always better, it depends on the gauge & condition of the ali etc. An all-copper D-side with a bad joint or water ingress somewhere could be worse that one that contains Ali.

If you are already on FTTC then the existing sync speed, attenuation & SNR stats will probably give a good idea of G.fast speeds once the product is out there in volume.
Standard User AdrianPH
(member) Fri 17-Jun-16 10:26:20
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Re: G.fast


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
It is attaching to the PCP not the FTTC cab.


What will they do where the PCP is a 1950's cast iron cabinet?

Administrator MrSaffron
(staff) Fri 17-Jun-16 10:37:13
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Re: G.fast


[re: AdrianPH] [link to this post]
 
Either skip it or re-shell it. So if you have a current generation PCP g.fast might be more likely

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User eckiedoo
(experienced) Fri 17-Jun-16 11:16:43
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Re: G.fast


[re: Nightglow] [link to this post]
 
I think that replacement of aluminium cables is very unlikely, aside from a catastrophic situation where such cable may be cut by an excavator and similar, thus affecting many subscribers.
Standard User hunnymonster
(fountain of knowledge) Fri 17-Jun-16 14:02:41
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Re: G.fast


[re: MrSaffron] [link to this post]
 
They just reshelled two near me - both have been fixtures for 60+ years. No other issues visible with either previous cabinet (that an occasional coat of paint over the last 60 years wouldn't have resolved) - attracting comment/complaint from the locals that the new cabinets are fatter (so taking up more pavement space)
Standard User Chrysalis
(legend) Fri 17-Jun-16 14:39:22
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Re: G.fast


[re: 4Way] [link to this post]
 
in some cases the affect of ali is exaggerated. I have 50m of ali and it has a minimal affect on my sync speed.

However g.fast may possibly help you as they doing network rearranging on some cabinets during the early rollout, to maximise coverage of g.fast from the cabinet. It got approved by the accountants because it is cheaper than deploying nodes. So finally a business case for network rearrangement.

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