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Standard User JB68
(regular) Fri 16-May-14 13:51:06
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FTTC Line Attenuation - Distance from Cabinet.


[link to this post]
 
Hi Guys.

My Line Attenuation is 13.9, and wondering what distance is like to the cabinet. Is their a calcautor for it? Like ADSL2+.

Just Curious what it is.

My Stats are:

Line Status
Downstream Upstream
Attainable rate (kbit/s) 120076 39611
SNR margin (dB) 18.6 22.8
Line attenuation (dB) 13.9 0
Output power (dBmV) 13.3 4.6

Statistics

Path 0
Path 1
Downstream Upstream Downstream Upstream
Line rate (kbit/s) 79987 19999 0 0
CRC errors 0 0 0 0
FEC errors 984 52 0 0
HEC errors 2191 0 0 0
Standard User MHC
(sensei) Fri 16-May-14 14:04:49
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: JB68] [link to this post]
 
The cabinet is only going to be a couple of hundred metres away ... can you locate it and pace out the distance?


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

M H C


taurus excreta cerebrum vincit
Standard User kitcat
(committed) Fri 16-May-14 14:35:43
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: JB68] [link to this post]
 
JB68

At those attainable rates you ought to fall over it outside your gate!!

120Mb downstream 40Mb upstream is the tops.

Stand outside you gate and you should see the Cab, you can then measure the distance with a reasonable Tape measure..


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Standard User mlmclaren
(member) Fri 16-May-14 14:54:17
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: kitcat] [link to this post]
 
I used a walking GPS app to measure my distance from my cab and also used google maps too.

Just need to find cab, and follow BT/PO Manholes on the ground really.

MLM
Virgin Media 50/3 > SH2 Modem Mode > Airport Extreme 5th Gen
Cabinet 54 @ 320m (CMKING) Under Evaluation (Awaiting FTTC)
Standard User JB68
(regular) Fri 16-May-14 17:24:54
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: mlmclaren] [link to this post]
 
Hi. It's about 300 metres away road distance. I must have a good line. Haha.
Standard User mlmclaren
(member) Fri 16-May-14 17:29:49
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: JB68] [link to this post]
 
Well this website say 300m should be full speed

http://www.increasebroadbandspeed.co.uk/2013/chart-b...

But yes I would say you have a very good line though maybe not as long as 300 metres.

mine is supposed to be around 300-350 metres so I hope when I finally get it, I will match your results..

MLM
Virgin Media 50/3 > SH2 Modem Mode > Airport Extreme 5th Gen
Cabinet 54 @ 320m (CMKING) Under Evaluation (Awaiting FTTC)
Standard User JB68
(regular) Fri 16-May-14 19:18:52
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: mlmclaren] [link to this post]
 
Yeah I think the line is quite short to it.
Standard User adslmax
(knowledge is power) Sat 17-May-14 01:03:08
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: mlmclaren] [link to this post]
 
In reply to a post by JB68:
Hi. It's about 300 metres away road distance. I must have a good line. Haha.


No, it cannot be 300m away because last february bt engineer told me that my fibre cabinet is 200m away from my house, just 1 minute walk away from it. I am getting 113136 kbps downstream and 38605 kbps upstream.

I think your is likely to be around 150m away.

Edited by adslmax (Sat 17-May-14 01:06:39)

Standard User vit0
(member) Sat 17-May-14 10:34:37
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: adslmax] [link to this post]
 
In reply to a post by adslmax:
In reply to a post by JB68:
Hi. It's about 300 metres away road distance. I must have a good line. Haha.


No, it cannot be 300m away because last february bt engineer told me that my fibre cabinet is 200m away from my house, just 1 minute walk away from it. I am getting 113136 kbps downstream and 38605 kbps upstream.

I think your is likely to be around 150m away.


Or he could have a newer / better quality cable connecting him to the cabinet, with less joints, maybe.

Lee
Standard User Alnath
(fountain of knowledge) Sat 17-May-14 11:29:33
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Re: FTTC Line Attenuation - Distance from Cabinet.


[re: JB68] [link to this post]
 
In reply to a post by JB68:
Hi Guys.

My Line Attenuation is 13.9, and wondering what distance is like to the cabinet. Is their a calcautor for it? Like ADSL2+.

Just Curious what it is.

My Stats are:

Line Status
Downstream Upstream
Attainable rate (kbit/s) 120076 39611
SNR margin (dB) 18.6 22.8
Line attenuation (dB) 13.9 0
Output power (dBmV) 13.3 4.6

Statistics

Path 0
Path 1
Downstream Upstream Downstream Upstream
Line rate (kbit/s) 79987 19999 0 0
CRC errors 0 0 0 0
FEC errors 984 52 0 0
HEC errors 2191 0 0 0


My line length to the cab according to an Openreach engineer is 120Meters (which to be fair looks about right looking at it)

6. Data rate: 20000 / 79995
7. Maximum data rate: 33988 / 109793
8. Noise margin: 15.6 / 14.3
9. Line attenuation: 0.0 / 5.8

My attainable rates were very similar to yours when i was the only person using it.
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