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Standard User Moradin
(member) Wed 10-Oct-12 22:25:16
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Fibre cabinets and the way they have been installed.


[link to this post]
 
Something has been puzzling me for a while now, and if anyone has a good explanation.. please post...

Now, we know the way that Openreach are installing cabs in the uk is.. (please correct me if im wrong here).

Additional Metal Cabinet installed somewhere close to existing PCP.
Trench Dug between the 2 cabinets.
Power supplied to fibre cab.
Fibre dragged to Fibre Cabinet
Copper connections between new cabinet and old cabinet.
Dslams installed
Testing etc etc
Conenctions when people order

What would have made faaaaar more sense to me: -

Install a much larger cabinet over the top of existing cab
Drag fibre to cab
Install DSLAMS in the top part of cabinet.
Test, and link up to copper bits as needed.

To me, this is far far more sensible, it has lots of other benefits as well.

Power is already there.
When it gets to the point when copper is defunct, you have all that space in the bottom of the cab.
And obviously Expansion becomes easier over the years.
No extra cab.
Less physical footprint.
Easier to job manage.
Less complaints from authorities about protecting the environment
Less /no ? planning permission.

I'm sure they spent thousands on expensive job managers to tell them how to install the fibre system into the UK, but with 5 minutes thought, i can see extensive benefits to doing it this way, rather than the existing way. especially with the long term view in mind.

#puzzled#

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Standard User iwish
(committed) Wed 10-Oct-12 22:28:15
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Re: Fibre cabinets and the way they have been installed.


[re: Moradin] [link to this post]
 
How is the power already there and do you relies the size that cabinet would have to be
Standard User ionic
(fountain of knowledge) Wed 10-Oct-12 22:44:36
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Re: Fibre cabinets and the way they have been installed.


[re: Moradin] [link to this post]
 
-PCP cabs don't have power, they're passive.
-In many locations it wouldn't be practical to install a significantly larger cab in the same location, whereas finding a nearby location for a secondary cab is OK.
-Power trench to the FTTC cab doesn't have to be dug in very close proximity to the main telco ducts, only to the one for the tie cables. This reduces the risk of damage to D and E side cabling by power contractors who are often completely separate to the telco ducting contractors

There area few thoughts against in less than 5 mins smile


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Standard User RobertoS
(sensei) Wed 10-Oct-12 23:00:27
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Re: Fibre cabinets and the way they have been installed.


[re: ionic] [link to this post]
 
I'm in no condition to give a full reply to the OP, but reckon that's a decent one.

I would add a minor one, re:- "Conenctions when people order" is not a problem now. That is achieved by the current method.

My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet Extra Fibre (FTTC). Sync ~ 57.4/14.6Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Administrator MrSaffron
(staff) Wed 10-Oct-12 23:04:39
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Re: Fibre cabinets and the way they have been installed.


[re: RobertoS] [link to this post]
 
A small top mounted cab has been on the list for some areas but never seen one in the wild

http://www.coolwebhome.co.uk/fibre-cornwall/ shows how full the fibre cabinet is, so to enlarge an existing cab to fit both in mean it would be a pretty large affair

Andrew Ferguson, andrew@thinkbroadband.com
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 pcoventry76
(knowledge is power) Wed 10-Oct-12 23:12:35
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Re: Fibre cabinets and the way they have been installed.


[re: iwish] [link to this post]
 
They must have a feed coming in? Or do the cabs run on fairy dust?

I don't care how they do it to be honest as long as they do and I get fibre next year!
Standard User RobertoS
(sensei) Wed 10-Oct-12 23:13:55
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Re: Fibre cabinets and the way they have been installed.


[re: pcoventry76] [link to this post]
 
Tiddly bit of power direct from the exchange. 50v at your master socket.

My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet Extra Fibre (FTTC). Sync ~ 57.4/14.6Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Standard User BatBoy
(legend) Wed 10-Oct-12 23:21:12
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Re: Fibre cabinets and the way they have been installed.


[re: RobertoS] [link to this post]
 
Wow, free power. You could run your house on that.


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Standard User RobertoS
(sensei) Wed 10-Oct-12 23:56:39
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Re: Fibre cabinets and the way they have been installed.


[re: BatBoy] [link to this post]
 
You might find rather a low amperage. tongue

My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet Extra Fibre (FTTC). Sync ~ 57.4/14.6Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Standard User WWWombat
(experienced) Thu 11-Oct-12 02:12:10
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Re: Fibre cabinets and the way they have been installed.


[re: ionic] [link to this post]
 
A further aspect is that the FTTC cabinet is now an active, managed, part of the network - it has battery backup, and is monitored remotely for doors opening etc.

Engineers who maintain the FTTC cabinets are a different group, with different skills, from the engineers who alter things in the PCP.

By keeping the cabinet separate, it also keeps the internals separate from the PCP, and keeps the engineers separate. Access to the PCP will be required regularly. Access to the FTTC cabinet will be rare.

A second aspect is this:
The FTTC cabinet can be pre-constructed, and tested, off-site. It makes for a "cleaner" install when it is actually moved on-site - which makes for a more controlled rollout, and therefore less surprises on the budget.
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