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Author Topic: Can FTTP/H be delivered by overhead lines?  (Read 7987 times)

WWWombat

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #15 on: May 13, 2016, 10:49:20 AM »

I wonder what the power comparison would be to power multiple FTTP connections via an overhead line versus G.fast to multiple houses?

Which conducts power more efficiently, copper or fibre?

Isn't glass an insulator? I don't think it conducts electricity at all...

It would be good if BT set it up so that each node could be a seperate investment. Then also give rivals access to setup either their own nodes or rent one off BT OR.

A G.Fast node?

What happens when two ISPs want to set up their own nodes - for two customer using the same cable? Vectoring issues would abound again, and you'd be down to VDSL2 speeds.
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Bowdon

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #16 on: May 13, 2016, 01:28:11 PM »

Thanks for your detailed replies WWWombat.

It's always good to see the facts behind the questions :)
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burakkucat

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #17 on: May 13, 2016, 11:12:43 PM »

am confused was I wrong about BT? or you agreeing with me?

Yes and no are my answers to your two questions, above.  :)

The BT Group have deployed fibre both aerially and underground in the UK.
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kitz

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #18 on: May 14, 2016, 10:27:16 PM »

@wombat - thanks for that informative and in-depth reply. 

@chrys - I think b*cat was saying that Openreach do already use aerial fibre optic. 
FTTPoD is sometimes provisioned using overhead fibre and it was also used extensively in Falmouth for FTTP re superfast rollout for Cornwall. link.
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sevenlayermuddle

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #19 on: May 14, 2016, 11:14:11 PM »

One more drawback of fibre is, the telephones can't be line powered.

That might not seem much of a drawback at first glance,  but if your house is on fire and the fire has already resulted in a power cut, it can be a significant drawback when you want to dial 999.

Less of a problem these days as people can fall back on mobile, and many land lines depend on mains power anyway, but still a downside.
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burakkucat

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #20 on: May 14, 2016, 11:19:19 PM »

I was under the impression that any FVA installation must have a battery back-up for emergency use. Possibly an Ofcom requirement?  :-\
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sevenlayermuddle

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Re: Can FTTP/H be delivered by overhead lines?
« Reply #21 on: May 14, 2016, 11:37:04 PM »

I was under the impression that any FVA installation must have a battery back-up for emergency use. Possibly an Ofcom requirement?  :-\

Excellent, I was not aware of that. :)
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