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somhairle
Contributor
1,360 Views
Message 21 of 45

Re: New to BT Infinity But Disappointed

Ok, thanks.

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Webby
Distinguished Sage
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Message 22 of 45

Re: New to BT Infinity But Disappointed

Apologies from me, should have asked you to do that at the very start.

A noisy line will most likely be causing the problem. A line engineer should attend quickly, usually within a few days.

When you call 151, mention only the noise issue. Say nothing about broadband.
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pippincp
Distinguished Sage
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Message 23 of 45

Re: New to BT Infinity But Disappointed

I'm often guilty of that too @Webby. It is one of the first things that should be asked tough as it will always pose speed/connection problems.

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somhairle
Contributor
1,305 Views
Message 24 of 45

Re: New to BT Infinity But Disappointed


@somhairle wrote:

Here you go:

 

Product name:

BT Hub 6A

 

Serial number:

+084319+NQ72421980

 

Firmware version:

SG4B1000B316

 

Firmware updated:

17-Sep-2017

 

Board version:

1.0

 

Gui version:

1.64.0

 

DSL uptime:

0 Days, 20 Hours 2 Minutes 15 Seconds

 

Data rate:

4.47 Mbps / 21.54 Mbps

 

Maximum data rate:

4466 / 22135

 

Noise margin:

5.9 dB / 6.5 dB

 

Line attenuation:

30.2 dB

 

Signal attenuation:
 
VPI / VCI:

0/38

 

Modulation:

G_993_2_ANNEX_B

 

Latency type:

Fast Path

 

Data sent / received:

16493 MB Uploaded / 22007 MB Downloaded

 

Broadband username:

bthomehub@btbroadband.com

 

BT Wi-fi:

Active

2.4 GHz wireless network name:

BTHub6-CFGZ

2.4 GHz wireless channel:

Smart (Channel 11)

5 GHz wireless network name:

BTHub6-CFGZ

5 GHz wireless channel:

Smart (Channel 36)

Wireless security:

WPA2 (Recommended)

Wireless mode:

Mode 1

Firewall:

On

MAC address:

B8:EE:0E:B3:13:7D

Software variant:

-

Boot loader:

7.33.1


I have a couple of questions about these stats.

 

1. Am I right in thinking that the attenuation levels here are pretty reasonable? 

 

2. Can anyone interpret the noise level stats here? I have read that the higher the figure, the better the signal. Is this figure measured on the line to the house or does it include any noise detected from the socket up to the router?

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Webby
Distinguished Sage
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Message 25 of 45

Re: New to BT Infinity But Disappointed

That’s a pretty high attenuation for VDSL.

The noise margin at around 6 is normal
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somhairle
Contributor
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Message 26 of 45

Re: New to BT Infinity But Disappointed

Thanks, Webby. 

 

Is a high attenuation level good? I thought 30db was ok?

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pippincp
Distinguished Sage
1,261 Views
Message 27 of 45

Re: New to BT Infinity But Disappointed

Lower attenuation is better.

Webby
Distinguished Sage
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Message 28 of 45

Re: New to BT Infinity But Disappointed

Attenuation is a measurement of loss of signal over distance, the higher the attenuation, the greater the loss
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somhairle
Contributor
1,234 Views
Message 29 of 45

Re: New to BT Infinity But Disappointed

Thanks, as far as I can tell, mine is kinda mid range. Good but not great? According to this:

20dB and below is outstanding
20dB-30dB is excellent
30dB-40dB is very good
40dB-50dB is good
50dB-60dB is poor and may experience connectivity issues
60dB or above is bad and will experience connectivity issues
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Webby
Distinguished Sage
1,225 Views
Message 30 of 45

Re: New to BT Infinity But Disappointed

For ADSL, yes, for VDSL, it doesn’t seem as linear.

For example my attenution is 19.3dB, however I’m in sync at almost 78meg, most like I’ve seen around 22dB struggle to get over 50meg.

Yours is on the high side for VDSL.
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