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Standard User ozy123
(newbie) Fri 04-Mar-11 14:27:53
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Cardiff Roath exchange - slow speeds!


[link to this post]
 
I've checked my line on sam knows and it says that most providers can only provide me up to 0.5m. I live 3.7 km away from the exchange.
Is there anything I can do? Satellite seems way to expensive, and mobile dongles on O2 only reach 1M. Any suggestions?
Standard User BatBoy
(legend) Fri 04-Mar-11 14:57:51
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
That's just a default as you don't have ADSL on your line. If your line length is 3.7km, you can get up to 5megs wink



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Administrator MrSaffron
(staff) Fri 04-Mar-11 15:27:21
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
If the 3.7km is from SamKnows - that is a radial distance (as the crow flies) roads and phone lines dont do that, so in reality cable length is likely to be more like 5km, even so at that distance 2 to 3Mbps (Megabits per second) should be possible.

Any figures given by checkers are just broad estimates.

maps.thinkbroadband.com can show some layers giving estimated speeds, and some actual speeds from people in an area

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.


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Standard User ozy123
(newbie) Fri 04-Mar-11 15:30:05
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Re: Cardiff Roath exchange - slow speeds!


[re: MrSaffron] [link to this post]
 
I'm currently on O2 on speed check usually comes at 0.1 - 0.4 depending time of day avg around 0.2 so we definitely don't get anywhere near 2-3Mbps.

Just checked that map, we seem to be in a slowspot. Only other test in our location shows the same 0.3... doesnt look good.

Edited by ozy123 (Fri 04-Mar-11 15:36:48)

Standard User yarwell
(sensei) Fri 04-Mar-11 15:37:56
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
can you ask your router what its downstream attenuation, SNR margin and sync speed are and post the results here plse.

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Are your kids pirates ? Limewire, Bearshare, Kazaa, BitTorrent, eMule are all tools of the trade.
Standard User ozy123
(newbie) Fri 04-Mar-11 18:11:11
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Re: Cardiff Roath exchange - slow speeds!


[re: yarwell] [link to this post]
 
Line Attenuation (Up/Down) [dB]: 42.0 / 68.0
SN Margin (Up/Down) [dB]: 7.0 / 11.5


Not sure which one the sync speed is or where to find it so all stats are posted below:

Uptime: 0 days, 22:52:45

DSL Type: G.992.5 annex A

Maximum Bandwidth (Up/Down) [kbps/kbps]: 802 / 467

Bandwidth (Up/Down) [kbps/kbps]: 793 / 206

Data Transferred (Sent/Received) [kB/kB]: 0.00 / 0.00

Output Power (Up/Down) [dBm]: 12.0 / 9.0

Line Attenuation (Up/Down) [dB]: 42.0 / 68.0

SN Margin (Up/Down) [dB]: 7.0 / 11.5

Vendor ID (Local/Remote): TMMB / BDCM

Loss of Framing (Local/Remote): 0 / 0

Loss of Signal (Local/Remote): 0 / 0

Loss of Power (Local/Remote): 0 / 0

Loss of Link (Remote): 0

Error Seconds (Local/Remote): 59 / 0

FEC Errors (Up/Down): 109 / 54,631

CRC Errors (Up/Down): 109 / 1,247

HEC Errors (Up/Down): 75,667 / 442

Thanks!
Standard User yarwell
(sensei) Fri 04-Mar-11 18:23:22
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
Maximum Bandwidth (Up/Down) [kbps/kbps]: 802 / 467


do you have a test socket behind the faceplate of the master that you can plug into ? if so see if the above numbers improve.

Currently you have a 68 dB attenuation downstream with 11.5 SNR margin and sync speed of 206

Can you also see if your router has the ability to select ADSL2 or ADSL in its ADSL section to see if that does better than ADSL2+. May be called G992.1 for ADSL and G992.3 for ADSL2. Not sure if O2 support them but worth a go as an experiment.

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Are your kids pirates ? Limewire, Bearshare, Kazaa, BitTorrent, eMule are all tools of the trade.
Anonymous
(Unregistered)Sun 06-Mar-11 13:27:43
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
You could try Three.

Our line is 3.7km long (2.5km from exchange as crow flies) and can't even do 2Mbps. Your line and lines in your area could be similarly poor.

Where we are O2 is pants and Three 3G delivers 3Mbps.
Standard User ozy123
(newbie) Mon 07-Mar-11 10:52:51
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Re: Cardiff Roath exchange - slow speeds!


[re: yarwell] [link to this post]
 
I dont think there is a test socket, can't see one. Can't see a way to select adsl either.

May have to see if I can find a dongle of some kind. Thanks for the replies.
Standard User kitcat
(newbie) Mon 07-Mar-11 11:59:13
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Re: Cardiff Roath exchange - slow speeds!


[re: ozy123] [link to this post]
 
Ozy
Roath is served by the main BT building by the Stadium (back in the 90s, before BB was thought of, the old exchange was closed) and the cables to get to you go a long way around to get under the railway. All line lengths are longer than you would think. If you are in Penylan or Lakeside it is a known problem and speeds above 1Mb are rare (non existent). Only hope is FTTC if you are not in a CATV area and I have seen no date yet.

At the edges this is another case of Not spots in a desely populated city area, some parts don't have Virgin either, You can try contacting Openreach to add weight to the pressure to provide FTTC and copy in the Welsh assembly.
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