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[gt94sss2]

Right, so I switched to FTTC on Monday and today got hold of a HG612 and managed to unlock it to try instead of the Home Hub 5A.

I note that the max attainable download with the HG612 seems about 5MB less but the max upload speed is slightly higher than with the HH5.

Am now running the dslstats software and uploading the data to mydslwebstats.co.uk

Thought I would give HG612 Modem Stats a go as well but can't find a working link to load it! (I am probably missing something very obvious!) - can anyone point me in the right direction?

[NewtronStar]

It all looks good you seem to be on the 40/10 FTTC profile no G.INP as yet your on the Fastpath profile DS and US.

When was FTTC activated on your line was it to-day ?

[AArdvark]

Look at the sticky post at the top of this sub-forum.

Should be the 4th one down. 

[Dray]

But it's not

[gt94sss2]

It all looks good you seem to be on the 40/10 FTTC profile no G.INP as yet your on the Fastpath profile DS and US.

When was FTTC activated on your line was it to-day ?

Thanks for the reply.

I have been on FTTC since Monday but using a Home Hub 5A until this afternoon. As mentioned above, the HG612 actually seems to give me a worse max. attainable DS than the HH5A which I would like to explore but which makes no practical difference to the speed achieved as I am 40/10 profile.

I also noted on the HH5A that when my telephone rang the noise margin fell about .5dB - is that normal or a sign of a line fault?

[gt94sss2]

Look at the sticky post at the top of this sub-forum.

Should be the 4th one down. 

Tried that before posting - the FreewareFiles.com link given doesn't work for me..

[AArdvark]

Look at the sticky post at the top of this sub-forum.

Should be the 4th one down. 

Tried that before posting - the FreewareFiles.com link given doesn't work for me..

Sorry the link is at the end of the 3rd sticky post. That appears to be the latest version.

[Ronski]

Latest version

[NewtronStar]

the HG612 actually seems to give me a worse max. attainable DS than the HH5A which I would like to explore but which makes no practical difference to the speed achieved as I am 40/10 profile.

I would not get to bothered with what the max attainable on the downstream is showing, it's the current sync rate you should look at and if both HH5a and HG612 give similar results nothing to worry about.

[gt94sss2]

Latest version

Thanks for the link!

[gt94sss2]

I would not get to bothered with what the max attainable on the downstream is showing, it's the current sync rate you should look at and if both HH5a and HG612 give similar results nothing to worry about.

You're right that the max attainable speed wont affect me atm as I am only on the 40/10 profile - but I like understanding how the technology works, the impact different chipsets have and would hope to upgrade to a faster speed one day and its about a 10% variance in max speed

The stats may also help me id if I have a line faiult or not (I think I might have either a noisy line or a HR fault, or both!)..

[Dray]

One strange thing about attainable rates is that it tends to increase when interleaving is applied. It's apparently the case that as the HH5A doesn't support G.INP, interleaving is applied instead. This could explain the difference between the HH5A and the HG612 attainable rates.

[NewtronStar]

The stats may also help me id if I have a line faiult or not (I think I might have either a noisy line or a HR fault, or both!)..

These HR faults they come in many categories Small Medium and Large i have had a small HR fault on my line from day 1 on FTTC 3 years ago it's now moving into medium with US errored seconds when the phone rings but it's not impacting my broadband at all just noticing more errored seconds but it's still well with in the DLM error status indicator (Green on all three)

[gt94sss2]

One strange thing about attainable rates is that it tends to increase when interleaving is applied. It's apparently the case that as the HH5A doesn't support G.INP, interleaving is applied instead. This could explain the difference between the HH5A and the HG612 attainable rates.

I don't think I had interleaving applied on the HH5A - is there a way to check from the HH event logs?

My understanding is that while the HH5A didn't support G.INP as it has the same chipset as the ECI modems, this was fixed via a firmware update that BT rolled out.

FWIW telnet current states

SLAM/MSAN type:           BDCM:0xa48c / v0xa48c
Modem/router firmware:     AnnexA version - A2pv6C038m.d24j
DSL mode:                  VDSL2 Profile 17a
Status:                    Showtime
Uptime:                    3 hours 51 min 33 sec
Resyncs:                   0 (since 20 Aug 2015 19:42:53)
         
            Downstream   Upstream
Line attenuation (dB):     16.2      0.0
Signal attenuation (dB):   Not monitored      
Connection speed (kbps):   39998      9999
SNR margin (dB):           9.4      12.7
Power (dBm):               13.5      6.9
Interleave depth:          1      1
INP:                       0      0
G.INP:                     Not enabled      

RSCorr/RS (%):             0.0000      0.4431
RSUnCorr/RS (%):           0.0000      0.0000
ES/hour:                   3.38      4.30

[gt94sss2]

These HR faults they come in many categories Small Medium and Large i have had a small HR fault on my line from day 1 on FTTC 3 years ago it's now moving into medium with US errored seconds when the phone rings but it's not impacting my broadband at all just noticing more errored seconds but it's still well with in the DLM error status indicator (Green on all three)

I believe I can hear noise on the line when doing a 17070 quiet line test buts its intermittent..