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Standard User Sir_Jasper
(learned) Thu 03-Oct-13 17:59:26
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Build 1 concrete chamber?


[link to this post]
 
FTTC has come to my exchange. I have noticed 4 new small fttc cabs have already been installed locally within the last fortnight. My cab has yet to be done. But,checking on http://roadworks.org/ It is showing that BT will be doing work this week directly across the road from my cab. The info on roadworks.org states:
"Description : Build 1 concrete chamber 2315mm x 737mm x 1565mm deep in Footway,Install 2m of 2 poly ducts in Footway,Install 4m of 2 poly ducts in Carriageway"
Could this be for FTTC for my cab? The concrete chamber seems large?
Many thanks.
Administrator MrSaffron
(staff) Thu 03-Oct-13 18:32:30
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Re: Build 1 concrete chamber?


[re: Sir_Jasper] [link to this post]
 
The chamber works are usually for the aggregation node, with the FTTC cab connecting to a fibre via that chamber, then in future if anyone orders Fibre On Demand it will be fed from that chamber.

So not unlike http://www.coolwebhome.co.uk/fibre-milton-keynes/wgc... when its completed.

That chamber is from an FTTP area so shows more kit than yours probably will start off with.

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User garethr
(regular) Fri 04-Oct-13 02:04:55
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Re: Build 1 concrete chamber?


[re: MrSaffron] [link to this post]
 
Picture of just such a chamber being installed in Milton Keynes. This one supports 1 Fttc cab and 300 homes on fttp. None are yet live. Pic is from Dec 2012.

http://goo.gl/zd7RXu

Gareth

Gareth
BT Internet 21CN ADSL 1.4Mbps/400Kbps
BT Infinity FTTP 166Mbps/20Mbps soon


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Standard User adslmax
(knowledge is power) Fri 04-Oct-13 11:31:38
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Re: Build 1 concrete chamber?


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
http://www.coolwebhome.co.uk/fibre-milton-keynes/wgc...


Pretty damp and water on it. I can see a gas detector too.

plusnetADSL2+16 Meg

Edited by adslmax (Fri 04-Oct-13 11:32:14)

Administrator MrSaffron
(staff) Fri 04-Oct-13 11:36:03
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Re: Build 1 concrete chamber?


[re: garethr] [link to this post]
 
Yeap that one looks nice and deep smile and has the special red trays.

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User MHC
(sensei) Fri 04-Oct-13 11:55:00
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Re: Build 1 concrete chamber?


[re: adslmax] [link to this post]
 
In reply to a post by adslmax:
In reply to a post by MrSaffron:
http://www.coolwebhome.co.uk/fibre-milton-keynes/wgc...


Pretty damp and water on it. I can see a gas detector too.



Gas detectors are quite normal. Around the UK there are thousands of gas leaks at any time - some very minor but if it slowly seeps out and the path through the ground end up near a BT duct of chamber then it will fill it. You will often see a chamber with teh covers pulled off by an inch or two and surrounded by barriers to help vent the ducts.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

M H C


taurus excreta cerebrum vincit
Standard User jjpearce
(newbie) Fri 04-Oct-13 12:45:36
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Re: Build 1 concrete chamber?


[re: MrSaffron] [link to this post]
 
What is special about the red trays ?
Standard User Ribble
(experienced) Fri 04-Oct-13 13:28:52
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Re: Build 1 concrete chamber?


[re: jjpearce] [link to this post]
 
The red trays denotes its an aggregration node
Standard User iand
(fountain of knowledge) Fri 04-Oct-13 19:02:02
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Re: Build 1 concrete chamber?


[re: Ribble] [link to this post]
 
Do I see a time when the kids will swap the red trays for the others, confusing everyone adding extra more services?

IanD
Standard User gazzyk1ns
(committed) Sun 06-Oct-13 11:10:28
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Re: Build 1 concrete chamber?


[re: iand] [link to this post]
 
Yes, you do, otherwise you'd not have posted that wink

I think any "kids" messing about in BT footway/carriageway boxes should be warned against it, around here BT have pressed the police to immmediately get helocopters on the case when they know those things are being messed around with, because of the obvious copper theft. That might be on the decline now, but a "kid" wanting to mess about with fibre trays in nodes might find him or herself the unsuspecting target of quite an operation, should luck not go their way. Even if it does and none of that applies, it surely won't work anyway. Just changing the colour of the trays won't alter OR's schematics, because they won't know about it, and so it won't be possible to achieve a service. The people who see the colour of the trays in the foot/carriageway boxes don't decide what service you can or can't order in the first place.

Edited by gazzyk1ns (Sun 06-Oct-13 11:12:28)

Standard User David_W
(fountain of knowledge) Sun 06-Oct-13 11:27:27
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Re: Build 1 concrete chamber?


[re: iand] [link to this post]
 
In reply to a post by iand:
Do I see a time when the kids will swap the red trays for the others, confusing everyone adding extra more services?
If they try withdrawing an occupied tray from the stack, I'd expect them to break the fibres and cause all manner of alarms to go off. If they pull an unoccupied tray from the stack, it's just a damaged tray that is probably easy to replace.

From my understanding of how it all goes together, it's quite a disassembly job to get inside a fibre manifold, especially if it's in an underground chamber. You've got to lift the chamber lid (which isn't easy without the right tools), lift the framework on which the manifold is mounted, unscrew the manifold cover and open the strap that retains the trays. The chamber is probably full of mud and possibly full of water - I just don't see the motivation to interfere.

Few kids will see any sort of devilment in messing with the manifolds - there's far more immediate ways to get your kicks whilst causing criminal damage. There's no money to be made, as there's no metallic cable to steal. Most won't understand how the network goes together anyway. Few will want to risk the ire of their friends when they are unable to play the latest Xbox / PlayStation game online because some twit broke the broadband network.


There's plenty of Virgin Media nodes around here with loose and unlocked covers. I've never seen the kids interfering with them, even though it would be easy to lift off the lid, unscrew all the coaxial cables from the tap plates, pull all the twisted pairs from the Krone blocks and pull off all the labels so it's hard to put it all back together again. The kids probably care far too much about being able to watch television (this area has poor sight lines to the south, meaning satellite often won't work) and cable modems (ntl:, as it was then, got here long before any DSL) to want to interfere.

Standard User Ignitionnet
(knowledge is power) Sun 06-Oct-13 11:46:10
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Re: Build 1 concrete chamber?


[re: Sir_Jasper] [link to this post]
 
One of these was done to serve an Asda store opening nearby. There is an aggregation node in there.

I'm unsure if this infrastructure can also be used for NGA - any ideas?

Description:
Build 2 concrete chamber 2315mm x 737mm x 1565mm deep in Footway,Install 30m of 6 poly ducts in Footway
Standard User btbert
(member) Sun 06-Oct-13 13:28:28
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Re: Build 1 concrete chamber?


[re: Ignitionnet] [link to this post]
 
"You've got to lift the chamber lid (which isn't easy without the right tools)"

Nope its very easy to do without the right tools but i am not saying how on here

Not sure kids would like it just look at the pic Mr Saffron posted and see the slugs on the wall frown first thing i do is kill them all.

these comments are my own and in no way represent any company that i may or may not be linked too.

http://www.speedtest.net/result/2420497773.png
Standard User David_W
(fountain of knowledge) Sun 06-Oct-13 13:51:19
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Re: Build 1 concrete chamber?


[re: btbert] [link to this post]
 
In reply to a post by btbert:
"You've got to lift the chamber lid (which isn't easy without the right tools)"

Nope its very easy to do without the right tools but i am not saying how on here
I was thinking about the weight rather than anything else. I know how I'd go about attempting to lift the lid without proper tools, but I'm not about to try it, as the chambers are not my property and I have no reason to access them.

I fully endorse your decision not to post any information here. This is the sort of engineer trick that should not be posted publicly - the last thing any of us want is encouraging destruction of BT property.


Is any of the fibre system linked up to RABIT, or is that for copper cables only?


Meanwhile, if you want to come and lift the stuck manhole lid covering the foul water branch on my driveway, you'd be most welcome!

Standard User Ribble
(experienced) Sun 06-Oct-13 14:10:10
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Re: Build 1 concrete chamber?


[re: David_W] [link to this post]
 
Rabbit is for copper only
Standard User TMCR
(member) Sun 06-Oct-13 14:38:43
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Re: Build 1 concrete chamber?


[re: btbert] [link to this post]
 
In reply to a post by btbert:
Nope its very easy to do without the right tools but i am not saying how on here

I saw what damage was done when some numpties did this to steal a load of copper. Took an entire village out for 5 days - and they came back and nicked it again within a couple of days !
OR tried their best to secure the chamber, but the way it had been opened made it far to easy to remove the seals.
The third time these guys tried to nick the copper they were surrounded by angry villagers and chased off, leaving their tools and van behind! The Police didn't approve of the methods, but got some nice evidence from the van. wink

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