Connection Problems following Upgrade at Exchange

Question

I have been having problems since 1st November.
I had received an e-mail advising that “we’re rolling out our faster broadband and we’ll be upgrading our network in your area on 01-Nov-11…For the first ten days or so after your upgrade, your broadband might slow down or even stop now and again. That's normal and your speed will soon settle down”
That night when I tried to use BT broadband after approx 90 seconds – connection was lost and router re-synced a number of times each hour.
Over next 10 days this did not improve. Contacted technical call centre and after running a line check, I was told that there were ‘anomalies’ on the line. Next day the call centre rang back and said upgrade work was ongoing and I would receive an e-mail when upgrade had finished and things should improve 10 days after the e-mail.
On 25 November I received an e-mail advising “This is to let you know that we've now upgraded your line and you should now have an improved, more consistent broadband connection, and maybe a speed increase.”
Again I saw no improvement in service. Connection was lost after 90 seconds and then a number of times each hour. I also noticed that the connection was lost if a phone call was received.
I spent next 2 weeks talking with call centre, again advised of ‘anomalies on line’ but eventually e-mailed BT Care and fault was logged on 31.12.11.
Fault number:VOL051-53388****** – fault is still shown as being Open.
On 5 January a BT engineer called. Spent a couple of hours testing connection, checking filters etc and told me that bandwidth was very narrow and this was probably the reason for connection dropping. He felt the upgrade at the exchange had caused this. Said the upgrade had been from ADSL to ADSL2. My BT exchange is Cregagh.
I have never had issues in past and due to distance from exchange, I was told to expect speed of between 2-4 mb. I have accelerator plate fitted and problems only began following the upgrade
Could the upgrade at the exchange be causing the connection to drop?
Can anything be done at the exchange to improve the connection? Or is something else causing the problems which are ongoing?
Speed has improved since engineers visit. Although enginner tested filters, could this be the problem?
Any advice would be greatly appreciated.
Stats are:
Speed test
FAQ
Test1 comprises of two tests
1. Best Effort Test:   -provides background information.
Download  Speed
3107 Kbps
0 Kbps
4000 Kbps
Max Achievable Speed
 Download speed achieved during the test was - 3107 Kbps
 For your connection, the acceptable range of speeds  is 1200-4000 Kbps.
 Additional Information:
 Your DSL Connection Rate :3859 Kbps(DOWN-STREAM), 1016 Kbps(UP-STREAM)
 IP Profile for your line is - 3404 Kbps
2. Upstream Test:   -provides background information.
Upload Speed
843 Kbps
0 Kbps
1016 Kbps
Max Achievable Speed
>Upload speed  achieved during the test was - 843 Kbps
 Additional Information:
 Upstream Rate IP profile on your line is - 1016 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.
Homehub 2 ADSL stats
  ADSL line status <script type="text/javascript"></script> Connection information
<script type="text/javascript"></script> Line state
Connected
Connection time
0 days, 3:18:22
Downstream
3,859 Kbps
Upstream
1,016 Kbps
ADSL settings
<script type="text/javascript"></script> VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.3
Latency type
Interleaved
Noise margin (Down/Up)
5.9 dB / 6.0 dB
Line attenuation (Down/Up)
52.5 dB / 27.0 dB
Output power (Down/Up)
0.0 dBm / 12.9 dBm
Loss of Framing (Local)
227
Loss of Signal (Local)
21
Loss of Power (Local)
0
FEC Errors (Down/Up)
0 / 4294967231
CRC Errors (Down/Up)
1297 / N/A
HEC Errors (Down/Up)
N/A / 0
Error Seconds (Local)
4649
Solved!
Go to Solution.

Answer 1

the upgrade to adsl2 brings a more aggressive sytem on any noise on your line and what was a good connection on adslmax may not necessarily be a good connection on adsl2 - but can with some effort.  as you are using the accelerator you must have an NTE5 master and other extension sockets so have you tried connecting direct to the test socket?
have you removed the bellwire on terminal 3 on all sockets - I know the accelerator helps with this but removal is 100% effective.
have you tried the quiet line test   dial 17070 option 2  should hear nothing and best with corded phone   if cordless dull hum is normal
If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.