ADSL2+ and Upstream SNRm

Here's a question.
We all know that the DLM is pretty quick off the mark to raise your Downstream SNRm, in the event of multiple disconnects, in an attempt to stabilise the line. It has certainly happened to me on a few occasions! However, I have yet to see it do the same for the Upstream, outside of the normal 10 day training period.
During my most recent spate of disconnects, I noticed from the event log that although at each reconnect the Downstream sync speed remained fairly constant, the Upstream sync speed could vary pretty wildly!
This leads me to the uneducated conclusion, that the disconnects might be caused by the Upstream SNRm being set too low and the DLM incorrectly punishing the Downstream. Is this feasible?
If so, should the DLM not be able to automatically determine this? If it can't, can the Upstream SNRm be manually tweaked like the Downstream?
Just a thought.
Regards
Alan.
Solved!
Go to Solution.

Hi Rodney,
Thanks for the reply. In my experience of banded profiles and I have now been banded twice, the downstream noise margins don't seem to follow the normal rules. But will return to normal once the banding is lifted. My latest banding was lifted this morning, after approx 3 days of stability.
I believe in my case the stability was aided by a low Upstream sync of just over 400 kbps and an upstream SNRm in excess of 10 db. This was how things were left after multiple disconnects over a 2 hour period. Firstly the downstream noise margin was bumped from 6 to 9 db with no luck. Then the banded profile kicks in, but apparently solves nothing, as disconnects continue for another hour and then suddenly stop. Upstream noise margin was not modified during this event, staying at approx 6 db, but the upstream sync fluctuated wildly from 1100 kbps down to 400 kbps.
This makes me believe that in my case, the noise event that caused the problem was Upstream. Hence the interest in the possibility of tweaking upstream noise margin. However, I'm the first to admit that I haven't really got a clue and its all a bit of a mystery to me.
Best of luck with the new Hub and the random disconnects.
Regards
Alan.

Similar Messages

Optus ADSL2+ and WRT610n Quick Guide to setting up.

Hi all fellow Optus (australian isp) ADSL2+ and Linksys users,
I have a quick guide to setting up your new WRT610n with the optus supplied ADSL2+ Speedstream 4200 modem. This should solve most users problems with no internet connections, firewall rules not appearing to work properly etc.
It took me several hours of stuffing around and online researching untill I got these two to work together and have full firewall funtionality!
First up.... DON'T USE the LELA to setup the router! For some unknown reason, the laptop I used to setup the router, was configured by LELA to be a proxy and gateway, and unless that laptop was on.... the router wasn't passing info through it and back out to the internet! A full Reset of the Router was needed to clear this setting!
Now Lets get started.
BEFORE inserting the router into the network and connecting everything up, we need to reconfigure the Speedstream modem to FULL BRIDGE mode. NOTE! this will infuture disable the Web interface to the DSL modem, so changing to FULL BRIDGE mode should be the last thing you do to the modem before logging out. A full hard reset (little button) will restore the web functionality again should you need to put it back to normal.
1) Setting Speedstream 4200 to Full Bridge mode - This is necessary for the Modem to fully pass on ALL of the ISP settings. Such as correct gateway info, DNS info, "REAL" online IP address (not the generic psuedo 10.x.x.x number) etc.
- To do this, open your web client, Internet Explorer or similar. And enter the IP address 10.1.1.1
- Feel free to look around the settings of the modem but don't change anything just yet. Wouldn't be a bad idea to take screenshots of all the settings pages now like I did should I need to return it to original settings.
- The Webpage of the modem will open up and click on PPP - Take note (as in write this down!) of your "PPPoE 8/35" type which you'll select in the router later, and your Username for optus logon and password (you should know that or go looking for that paperwork that has your username and password that came with your optus Modem installer CD). You will enter all this login info in the router later as the router will do the logging in and take over from the modem!
- Next, click on Mode - You will see 3 options. For most, it will currently be on Optus Bridge. This mode enables a router inside the modem and is now to be replaced by the new Linksys you just bought. By Changing this to FULL BRIDGE mode, you essentially disable the modems internal router and turn it into a dumb modem (like the good old days of dumb dial up modems yey!)
- When you've changed to FULL BRIDGE mode, it will tell you the Web interface is now disabled. Close the window. And lets get to configuring the router.
2) Plugging everything in time!
- The Speedstream 4200 ADSL2+ Modem stays plugged into the wall as normal, but the LAN cable which used to go to your computer now plugs into the WAN port of the router.
- Plug the PC into one of the LAN ports of the Router also.... or if like me, you have a Switch that all the PC's use, plug that into the router.
3) Setting up the WRT610n (or similar linksys router)
- Open Internet Explorer/Firefox and enter the IP Address of the Router (Fresh install IP is 192.168.1.1)
- Username is "admin" and password is "admin" (you'll want to change this later I'm sure)
- OK now your in! We need to setup the internet account settings.
- Setup-Basic Setup page:- Internet Connection Type will be what you saw in the modem PPP page (you did write that down didn't you?). For me, I select PPPoE.
- The enter my optus username info and password
- click on Keep Alive (30 Secs).
- Then click Save Settings at the very bottom of the webpage.
It will likely ask to reboot.... let it do so
Now at this point:
- Your modem should have always been in Sync
- Your LAN IP from the WRT610n should be in the 192.168.1.100+ range? (I changed this later to put my IPs back in the 192.168.0.100+ range so I didn't have to reconfigure static PC's or printers around my network)
- Your Router should have reset about now and hopefully logged onto the internet through the modem.
To check all is working fine. Open the Routers webpage again and click on Status. Under the Internet Connection area, Click connect if it hasn't already connected for ya. This page should auto-refresh.
Check that the connection says Connected and that the IP addresses given in all the fields appear to be internet addresses (ie not 10.x.x.x or 192.168.x.x etc). If not, check that the status lights on the modem are all correct (you know how it should look when it's ok).
Open IE or firefox and check that you have internet!
It's important to make sure that the Internet IP Address in the Status page matches the one you get from http://www.whatismyip.com/. Because if it doesn't, then the Router isn't truely at the front of the Internet-Lan boundary. If this is the case, you may still have internet working ok, but the firewall portforwards may not work as seen in other forum posts around the net.
If it's OK, then Grab a Beer and Celebrate, you've just saved yourself 6 hours of hair pulling frustration!
SUCCESS!
Now, if your so inclined.... I would highly recommend changing Admin passwords, adding security to your Wireless connections, changing your DHCP to something your comfortable with or just leave them alone if everyone is server assigned IP's. I find it's a good idea to use the DHCP Mac reservation in the basic setup so I know each PC will get the same IP each time it logs into the router and thus makes Portforwarding SOOoooo much easier knowing the IPs don't change on you when the IP lease time expires if the PC has been offline too long.
Please feel free to comment on this, I'm pretty sure 99% apart from grammar is correct! Hope it helps many new and old users.
Have a brilliant day! and may the force be with you!
Ramjet

It's not clear to me exactly what problem you're having, but does this post help?
http://discussions.apple.com/message.jspa?messageID=1806715#1806715

Speed downstream and upstream when I am using Firefox. When I am using Internet Explorer I dont have this problems

Iam using Firefox 12.0 Swedish version. When I use Firefox I have problem with the speed downstreams
and upstreams. When I use Internet Explorer 64 bit 7 version 9 I dont have this proplem. Why is it so?
Firefox
Downstream Upstream
~ 50Mbit/s ~ 0.6Mbit/s
Internet Explorer
Downstream Upstream
~ 87Mbit/s ~ 75 Mbit/s
The conetcion is fibre cabel and the supplier guarantees 60 - 100Mbit/s
I shall bee gratefull if I can solve this and continou to use Firefox. Iam othervise very satesfide with Firefox

Poor performance in Flash-based speed tests can be related to add-on conflicts and certain Flash features. If you have not already tried these:
(1) Disable protected mode (Win Vista and Win 7 only)
See this support article from Adobe under the heading "Last Resort": [http://forums.adobe.com/message/4468493#TemporaryWorkaround Adobe Forums: How do I troubleshoot Flash Player's protected mode for Firefox?]
(2) Disable hardware graphics acceleration in Firefox and in Flash
(A) In Firefox, un-check the box here and restart:
orange Firefox button ''or'' classic Tools menu > Options > Advanced > General > "Use hardware acceleration when available"
(B) In Flash, see this support article from Adobe: http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues
(3) For video issues, make sure your RealNetworks add-ons are the latest versions

Adsl2+ and 1721

Hi, I?m using a 1721 adsl cisco router for my adsl 8mbps.Now, my Iinternet provider offers adsl2+ but new router/wic is necessary.
My 1721 uses a 1wic adsl to connect. Which is the new wic model for adsl2+ and 1721 that I need to buy?
Best regards

If you look at the data sheet for the 1721, you can see it only supports WIC and VWIC:
http://www.cisco.com/en/US/products/hw/routers/ps221/products_data_sheet09186a00800920ec.html
Data sheet for 1841:
http://www.cisco.com/en/US/products/ps5853/products_data_sheet0900aecd8016a59b.html

ADSL2+ and wierd Upstream issue

Firstly, I have been having some upstream problems. The numbers have been often under 100 kbps for the last month or so with lots of disconnects. The system has now put me onto standard ADSL upstream of 444 kbps. It periodically tries a reset but generally goes back to an unstable sub 100 kbps. Previous to this, I was on a stable 1000+ Kbps Upstream. I am not having any Downstream issues.
Second issue is even though I am showing latency type as interleaved, I am periodically receiving no FEC errors, but lots of CRC and error seconds errors. This is causing lots of instability and disconnects. I have noted that my ping is halved when this happens, perhaps indicating that I am actually on fast path?
The entire system seems really flaky at present and makes me think its an exchange problem although none are reported (Hereford). This has been going on for a month now and I'm starting to feel a little frustrated.
Any thoughts?
Line state
Connected
Connection time
0 days, 0:02:04
Downstream
5,255 Kbps
Upstream
443 Kbps
ADSL settings
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
6.0 dB / 23.3 dB
Line attenuation (Down/Up)
50.5 dB / 26.9 dB
Output power (Down/Up)
0.0 dBm / 13.1 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
0 / 0
CRC Errors (Down/Up)
1 / N/A
HEC Errors (Down/Up)
N/A / 7
Error Seconds (Local)
1

Hi further to Keths suggestions theses may help as well you may also find removing the bell wire from all extensions will help as it is a source of interference to broadband this link explains more http://www.filesaveas.com/jarviser/bellwirenutshell.html
Have you tried connecting to the test socket at the rear of the master socket
Have you tried the quiet line test? - dial 17070 option 2 - should hear nothing - best done with a corded phone. if cordless phone you may hear a 'dull hum' which is normal
also you could try the hints given by poster RogerB in this link they may help http://community.bt.com/t5/BB-in-Home/Poor-Broadband-speed/m-p/14217#M8397
Then someone here may be able to help and offer more advice.
This is a customer to customer self help forum the only BT presence here are the forum moderators
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

ADSL2+ and SNR issues

Hi,
Couple of weeks ago, I renewed my contract and subsequently found that I had been upgraded to adsl2+. With adsl max, I have always had a stable connection syncing at 5700+ coupled with a downstream snr of 6.0 and an IP profile of 5.0.
During the 10 day training cycle with 2+, my downstream sync remained fairly constant, although it went below 5696 at one stage dropping my profile to 4.5 for a few days, whilst the upstream steadily increased. SNR remained fairly steady at around 6.0 up and down.
At the end of the 10 days, my Downstream suddenly shot up to in excess of 7000 kbps, but my downstream SNR apparently dropped to 3.0! On checking the hub event log though, it gave the downstream snr as approx 6.0 at the time of the reset.
Thinking these snr numbers to be unsustainable, I did a reset to factory defaults, to resync, but got more or less the same results as below. The event log showing snr to be around 6.0 downstream and 3.0 upstream.
Is it possible that the snr margins are being displayed the wrong way around somehow? I have now left it 24 hours, fully expecting to lose connection and quite surprised that it didn't during the night when downstream snr was reporting itself to be 1.0 at times. Downstream FEC errors are also pretty high as you can see.
Any comments or help would be appreciated. Thanks in advance.
Alan
xDSL linestate up (ITU-T G.992.5; downstream: 7111 kbit/s, upstream: 1000 kbit/s; output Power Down: 20.3 dBm, Up: 12.9 dBm; line Attenuation Down: 51.0 dB, Up: 27.4 dB; snr Margin Down: 6.2 dB, Up: 3.0 dB)
ADSL line status
Connection information
Line state Connected
Connection time 1 day, 0:47:52
Downstream 7,111 Kbps
Upstream 1,000 Kbps
ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.5
Latency type Interleaved
Noise margin (Down/Up) 2.9 dB / 4.6 dB
Line attenuation (Down/Up) 51.0 dB / 27.4 dB
Output power (Down/Up) 0.0 dBm / 12.9 dBm
Loss of Framing (Local) 0
Loss of Signal (Local) 0
Loss of Power (Local) 0
FEC Errors (Down/Up) 9521112 / 4294967263
CRC Errors (Down/Up) 3575 / 2147480000
HEC Errors (Down/Up) nil / 0
Error Seconds (Local) 641
Solved!
Go to Solution.

A lot of 21CN connections seem to have a low downstrean margin figure initially ....
I think it's because DLM sees the line as fairly stable ... and rather than apply more margin, even though it's below target ... it's preferable to apply slightly deeper interleave, because the error correction interleave affords doesn't decrease throughput, whereas rises in margin, however small does ...
21CN DLM uses multiple line configurations compaired to adslmax, and will apply the best solution for stability.
And if the line characteristic changes .... so will the solution.
I'd just let it "do its thing" ... it'll fine tune itself.

P2P multicast and upstream bandwidth

Hi,
I'm in the process of developing a realtime video chat application where multiple users can send video streams simultanuously. The number of users receiving the streams can be very big, e.g. 10 broadcasters and 500 receivers, each receiver should get all streams.
I use RTMFP connections to an FMS and streams are published in P2P multicast groups by passing the groupspec to the NetStream constructor. Currently I'm having problems with audio/video synchronization and video stream 'jumps' (not continuous). From what I read on other threads, this is related to the fact that there is not enough upstream bandwidth for sending the streams. So my questions are:
How to calculate the required upstream bandwidth on every peer for the given example of 10 broadcasters and 500 receivers (is it 10*bandwidth of one stream)?
What settings (on NetStream, Camera, Microphone etc.) should be used for best results and how to adapt them based on the number of broadcasters?
I hope my questions make sense!
Thanks,
Haykel

I have done some tests to find out how much upstream bandwidth is used for different situations. The data is taken from the 'multicastInfo' property of all involved 'NetStream' objects as follows:
Multicast Data: average of 'multicastInfo.sendDataBytesPerSecond' of all streams.
Multicast Control : average of 'multicastInfo.sendControlBytesPerSecond' of all streams.
Different measurements have been done for different situations:
The user is broadcasting and not broadcasting
Varying number of connected users
Varying number of users broadcasting
I have limited the maximum video bandwidth to 16 KBytes with 'Camera.setQuality(1024 * 16, 0)'.
The application uses only application level multicast (passing a groupspec to the NetStream constructor). In this test all peers are on the same LAN and the FMS server is on a remote machine.
The results in Bytes/s (click to enlarge):
What I have noticed is that the outgoing multicast data volume grows by ~15 KByte with every new connected user (receiver) and goes down when the number of broadcasters grows. Is that normal? Does it mean that only the broadcasters are sharing the streams with the other peers? I thought that every peer would share the data with a number of neighbours (i.e. 3) which would share with their neighbours and so on.
During the tests I have also checked for a/v delays and noticed the following:
For every new stream, at the beginning audio and video are in sync but have a delay of ~3 seconds
After ~20 seconds the video delay becomes marginal but the audio remains delayed and so goes out of sync with video
After ~30 seconds the audio delay becomes marginal and goes in sync with video (a/v are now stable)
The delays of 20 and 30 seconds grow up to more than a minute when the number of broadcasters grows
My questions:
Are my measurements correct?
Why is the outgoing multicast data volume growing with every new receiver? Is the publishing stream sending the data to all peers?
Should I expect the bandwidth to grow indefinitly with the number of receivers or will it stabilize at some value?
How to decrease the time required for a/v to become stable (in-sync with a small delay)?
Is P2P multicast a good choice for this kind of applications (up to 10 broadcasters and a very big number of receivers)?
Any advices???
Thanks.

Modem adsl2+ and airport extreme base station

hi guy, i have a problem.
i must buy a modem adsl2+ that work with this protocol (request by my provider):
PPPoA (with username and password)
VC mux
dhcp enabled
i buy yesterday an DL320b By d-link, but is rubbish!
don't work with my airport base station, work only in mode bridge, with maximum ONE computer on internet at once.
my home network is this:
my mac (wi-fi)
a ps3 sony (ethernet)
and other pc with W7 (wi.fi)
this configuration work in my home, airport base and this 3 elements workly good.
i need to use my airport without bridging, to connect my ps3 to my mac.
serching online i see a netgear dm111p, but can broke very frequently.
do you know a modem or modem/router that work with this configuration?
ps: sorry, but i'm italian, and my english isn't very well..

. (need this message to activate subscription..)

ADSL2+ and VDSL

Hello everyone.
I used to be a Verizon DSL subscriber and I have an ADSL2+ modem: Westell A90-750015-07. I moved and I can no longer get Verizon service, so I have Qwest now, which offers a VDSL2 signal.
Will my Westell modem work with VDSL2?

I do not know. Consider asking Qwest (your new DSL provider).
If you are the original poster (OP) and your issue is solved, please remember to click the "Solution?" button so that others can more easily find it. If anyone has been helpful to you, please show your appreciation by clicking the "Kudos" button.

UCS QoS, VoIP applications and upstream switch

Hi,
We have followings:
Chassis 5108
FI 6248
FEX 2208
Adapter VIC(1240), 2 vNIC for VMData (VoIP applications), a few others vNIC for mgmt, vmotion etc.
ESXi 5.1
CUCM, Unity, etc
For example, CUCM and Unity marked VoIP media as CoS 5 and signaling as 3.
Will FI overwrite all markings to CoS 5 if VMData vNIC QoS policy is created as platinum with host control FULL (see picture)?
In other words, will the upstream switch see the same QoS markings from VoIP applications?
Thanks,
Harry

Hello Harry,
Here is a good link ondesign recommendations on QoS + UC ( VoIP apps ) + UCS
http://docwiki.cisco.com/wiki/QoS_Design_Considerations_for_Virtual_UC_with_UCS#Guidelines_for_Physical_LAN_Links.2C_Trunking_and_Traffic_Sizing
HTH
Padma

ADSL2 and ADSL2+

Hi,
Is it possible to request "downgrading" from ADSL2+ to ADSL2 or even ADSL Max? Or is it purely an automatic function of the wizardry at the exchange?
TIA
Regards
Alan.
Solved!
Go to Solution.

here is a previous post about downgrading http://community.bt.com/t5/BB-in-Home/Is-it-possible-to-downgrade-from-ADSL2/m-p/76281#M44725
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ADSL2 & 2+ with XM and XJ

Dear All,
I just want to know which all router support ADSL2 & ADSL2+.
what is XM and XJ in ADSL Technology.
Waiting for your reply....
Thanks/Regards
Atul K.Dalvi

Atul,
Please refer the below URL for ADSL2 and ADSL2+ router support;
http://www.cisco.com/en/US/products/ps5853/products_data_sheet0900aecd80394b7e.html
As far as XM and XJ release, X = A short lived, one-time release.An X followed by a sequential letter indicates short-lived releases. In the example, XA, XB, and XC, the X in the first position indicates a one-time (short-lived) release originating from the major Technology (T) train. The letters in the second position (A, B, C, D, and so on) are sequential letters used to differentiate the releases.
Please refer the below URL for details:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1818/products_tech_note09186a0080101cda.shtml
I hope it helps.
Regards,
Arul

Slow speed/high SNR margin after upgrade to ADSL2+...

I have an issue with slow speed that I am suspecting is caused by a high SNR margin (about 12dB) which has come about (I believe) due to the fact that my router was repeatedly reset during the first few days of the upgraded service. The exchange was upgraded to ADSL2+ on 3rd January.
I have a US Robotics 9108 which has worked fine for nearly six years. I was getting around 8Mbps before the upgrade which isn't far off the theoretical maximum.
There was a problem with my router and I only found it to be my router at fault over the last few days. Upgrading its firmware has cured the problem which was that requests weren't being fulfilled once connection had been established, (seemingly particularly when this was ADSL2+ or ADSL2 mode). Consequently, I reset my router in these instances and I believe that this will have been interpretted by the exchange as being due to line noise. In general, I disabled ADSL2 and 2+ modes on my router to force it back to G.DMT and it usually worked fine (albeit slow sync rate relative to that I had before 3rd January).
During fault conditions, the connection synced OK. I recently borrowed a router and tried it and it immediately connected faster than mine had done previously and I could access the web without issue. This confirmed that my US Robotics was at fault, and after downloading its latest firmware, it fixed the problem.
There is no bell wire as there are no hard wired extensions from the master socket. I use a single filter which plugs directly into the master socket (i.e. no extension lead to the filter).
I was using a BT filter (MF50) I got in 2004 when I first got broadband. This came with a Voyager 100 modem and is a rebranded YCL one. I have since replaced this with a Z350-UK which I have borrowed. The US Robotics didn't come with any filters.
With the BT filter, caller display does not work at all when the router is connected in ADSL2 mode. In G.DMT mode the problem with caller display was intermittent. The Z350-UK has rectified the problem with caller display not working when in ADSL2 mode. I have ordered a Pressac Interstitial VDSL Faceplate as a perminant solution.
Do I need to contact the support helpline to get this fixed? Or will the SNR margin drop over time? As I say, I got around 8Mbps before the upgrade.
I am presently connected in 2+ mode and stats are:
SNR margin (dB):
12.8
5.4
Attenuation (dB):
34.0
12.0
Output power (dBm):
0.0
12.8
Attainable rate (Kbps):
8984
1144
Rate (Kbps):
6495
1144
I have just run the BT Speed Test and the results are:
Test1 comprises of two tests
1. Best Effort Test: -provides background information.
Download Speed
5282 Kbps
0 Kbps
7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 5282 Kbps
For your connection, the acceptable range of speeds is 2000-7150 Kbps.
Additional Information:
Your DSL Connection Rate :6495 Kbps(DOWN-STREAM), 1144 Kbps(UP-STREAM)
IP Profile for your line is - 5730 Kbps
2. Upstream Test: -provides background information.
Upload Speed
938 Kbps
0 Kbps
1144 Kbps
Max Achievable Speed
>Upload speed achieved during the test was - 938 Kbps
Additional Information:
Upstream Rate IP profile on your line is - 1144 Kbps
We were unable to identify any performance problem with your service at this time.
It is possible that any problem you are currently, or had previously experienced may have been caused by traffic congestion on the Internet or by the server you were accessing responding slowly.
If you continue to encounter a problem with a specific server, please contact the administrator of that server in the first instance.

once you have maintained 3 days + stable connection then you can contact the forum mods on this link and request a noise margin reset http://bt.custhelp.com/app/contact_email/c/4951
they normally reply by email or phone directly to you within 72 hours
you do not need to contact the helpline
They are a UK based BT specialist team who have a good record at getting problems solved
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How can one actually tell one is on ADSL2

In Dec 2010 I got the - your area is being upgraded, and then - your area has been upgraded fatser speeds blah blah email
I naturally assumed that I had been move to ADSL2 and my hub reported - G.992.5 Annex A, which I understand is ADSL2
However - due to more recent problems on my line with DSL disconnections an engineer visited and during testing told me that I was not on ADSL2 as my max connection speed was 8Mbps.
I won't bore you with ALL the horrendous conversations with broadband support or the new dreadful interactive telephone menu system that diverts your call to the wrong place, or asking for your middle name and you can't remember if you registered your middle name, or wanting to send another engineer out that cannot resolve the problem.....
But - the last support person (who appeared to have no idea what I was talking about) said he would order a cease and then a re-provision of ADSL2
BUT - how can I tell if I am actually on ADSL2 as, apparently my records show I am on ADSL2 - but the engineer confirmed i was not.
PS - I know I might not get a greatly improved speed

gouledw
thanks for all that....but
Engineer confirmed all my internal stuff is still fine (as did the last engineer)
I did have a BT ADSL v1.0 plate but he replaced it with an Openreach ADSL V1.0 - connected directly - so I cannot connect directly to the master socket as per your instructions - as it is a physically different connector to the router cable.
As I have one of these (as your picture 2) I have no microfilters so they cannot be changed as per your instructions either?
Quiet line test I know about and is fine, thanks.
Bell wire disconnected yonks ago - when slowly falling synch rates first reported.
Engineer confirmed copper to exchange OK and told me he would pass fault to Wholesale to check at the exchange (Q do I believe they will actually do anything??)
Synch rate has remained stable for 1 day 18 hours :-) @ 7.24 Mbps! - which is nearly what I was getting consistently over a year ago until it started to fall.....
I'm not on 88.2% profile yet - though I expect that will change after a few days - it has before, I have synch, Ip profile, download and upload data for every day since Oct 2007 (unless speedtester failed or I was away)
Here's today's
1. Best Effort Test: -provides background information.
Download Speed
5985 Kbps
0 Kbps
7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 5985 Kbps
For your connection, the acceptable range of speeds is 2000-7150 Kbps.
Additional Information:
Your DSL Connection Rate :7413 Kbps(DOWN-STREAM), 888 Kbps(UP-STREAM)
IP Profile for your line is - 6500 Kbps
2. Upstream Test: -provides background information.
Upload Speed
692 Kbps
0 Kbps
888 Kbps
Max Achievable Speed
>Upload speed achieved during the test was - 692 Kbps
Additional Information:
Upstream Rate IP profile on your line is - 888 Kbps

Problems since being changed to ADSL2

I was changed over by BT to ADSL2 and my speed increased but I started getting regular disconnections.
Having reported this to BT over a month ago I still have no resolution to this issue.
Even had to take day off for Openreach engineer to visit who came and went stating he thought there was something at the xchange he needed to deal with and heard nothing since.
At the moment it seems to stay connected for longer with less disconnections where the BB light flashes orange but seems to hang repeatedly every few minutes at times where it says connected but I am unable to use the connection for anything.
Posted details from hub below for any assistance.
ADSL line status
Connection information
Line state
Connected
Connection time
1 day, 3:55:03
Downstream
22,838 Kbps
Upstream
1,195 Kbps
ADSL settings
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
3.6 dB / 6.5 dB
Line attenuation (Down/Up)
9.5 dB / 3.8 dB
Output power (Down/Up)
0.0 dBm / 11.8 dBm
Loss of Framing (Local)
11
Loss of Signal (Local)
1
Loss of Power (Local)
0
FEC Errors (Down/Up)
0 / 0
CRC Errors (Down/Up)
203 / 2147480000
HEC Errors (Down/Up)
nil / 0
Error Seconds (Local)
242

As you will see in another strand I have had the same problem since 31 October. 4 engineers have visited, another is promised but not until the weather improves. Everyone says it is some equipment in the exchange but can I get anyone to go and fix it... Even emailing the Chief Exec and getting replies apparently from him has not brought any action.

ADSL2+ and Upstream SNRm

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