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Standard User WWWombat
(fountain of knowledge) Mon 26-May-14 03:09:23
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FTTC cabinet types - status of rollout


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I found a document where Openreach were applying for the right to use unmetered supplies for FTTC cabinets.

http://www.elexon.co.uk/wp-content/uploads/2012/11/S...

Part of the evidence they used gives the state of the FTTC rollout at March 2013, including the numbers of every type of cabinet, and the number of cards in each. It seems that these 24,000 cabinets had been used to sample power usage in the last 6 months of 2012.

Huawei MA5616T: 3,600 cabinets, of which 2,700 had 2 linecards, and 500 had 3 linecards (32 ports per card). 91 cabinets were fully populated with 4 cards.

Huawei MA5603T: 13,000 cabinets, of which 4,000 had 1 linecard, 8,000 had 2 linecards, and 700 had 3 linecards (48 ports per card). 13 cabinets were fully populated with 6 cards.

ECI M41: 7,700 cabinets, of which 5,500 had 1 line card, and 2,100 had 2 line cards (64 ports per card). 13 cabinets were fully populated with 4 cards.

So, out of some 24,000 cabinets, there were around 120 (0.5%) which had a full complement of line cards, and (presumably) a slightly lower number that had a full set of active lines.

Each cabinet apparently triggers the process for an additional card when utilisation reaches 75%.

A further document went alongside this application, giving some more figures.

http://www.elexon.co.uk/wp-content/uploads/2012/11/S...

This said that the rollout, at April 2013, had grown to 33,000 cabinets. It also indicated that BT could deploy a further 80,000 cabinets by 2015, and a further 20,000 by 2020.

That would be a total of 133,000 FTTC cabinets.

Aren't there supposed to be around 88,000 PCP's in the access network?
Standard User WWWombat
(fountain of knowledge) Mon 26-May-14 03:11:22
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Re: FTTC cabinet types - status of rollout


[re: WWWombat] [link to this post]
 
Incidentally, the cabinets seemed to be using around 2W per line for the currently popular configurations. Once the cabinets are fully populated, this drops to between 0.75W and 1.5W per line.
Administrator MrSaffron
(staff) Mon 26-May-14 07:36:47
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Re: FTTC cabinet types - status of rollout


[re: WWWombat] [link to this post]
 
More cabs due to eo work

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.


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Standard User mikejp
(regular) Mon 26-May-14 08:17:25
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Re: FTTC cabinet types - status of rollout


[re: WWWombat] [link to this post]
 
Thanks www - a useful addition to my knowledge base on cabinet contents.
Standard User Ribble
(experienced) Mon 26-May-14 08:38:53
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Re: FTTC cabinet types - status of rollout


[re: MrSaffron] [link to this post]
 
Slowly increasing number of 2nd cabinets and the odd SCP changed to a PCP
Standard User tialaramex
(newbie) Mon 26-May-14 09:17:20
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Re: FTTC cabinet types - status of rollout


[re: WWWombat] [link to this post]
 
In reply to a post by WWWombat:
Incidentally, the cabinets seemed to be using around 2W per line for the currently popular configurations. Once the cabinets are fully populated, this drops to between 0.75W and 1.5W per line.


The old rule of thumb I remember is that 1W running 24/7 costs about £1 per year in electricity bills. So probably £1-2 per year of your FTTC bill is paying to keep the green box "warm".

Since I don't yet have FTTC (and even if I did I'd be loathe to switch it off just to wire it up to a meter for an hour) does anyone have a figure for how much we use at the consumer end, running the supplied VDSL modem ?
Standard User R0NSKI
(fountain of knowledge) Mon 26-May-14 09:26:33
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Re: FTTC cabinet types - status of rollout


[re: tialaramex] [link to this post]
 
Here's a list of my equipment in my server room.

Everything on 146
Server off 42.               Drawing 104w
HG612 off 36.                Drawing 6w
Router off 26.                Drawing 10w
16 port switch off 20.        Drawing 6w
Phone off 12.                  Drawing 8w
Server unplugged 10
4 way unplugged 9       1w drawn by all transformers
UPS only 9 watts


Edited by R0NSKI (Mon 26-May-14 09:30:36)

Standard User Chrysalis
(legend) Tue 27-May-14 07:12:00
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Re: FTTC cabinet types - status of rollout


[re: WWWombat] [link to this post]
 
yeah but some PCP's have multiple cabinets.

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