I've been on it for several weeks. I only had the ECI modem to hand so all I know is that I was on interleave for a few days then it switched back to fastpath on it's own. Speed has steadily dropped since then. I have updated the scripts and started a new scheduled task. I will provide better graphs then. Until then here is a snapshot using the latest scripts.
I can see from your Discovery phase band plans that you are connected to a Huawei cabinet DSLAM:-
Discovery Phase (Initial) Band Plan
US: (0,95) (868,1207) (1972,2783)
DS: (32,859) (1216,1963) (2792,3959)
These are the band plans for an ECI DSLAM:-
Discovery Phase (Initial) Band Plan
US: (0,95) (880,1195) (1984,2771)
DS: (32,859) (1216,1959) (2792,4083)
There was a short period recently when engineers were instructed to only install ECI modems, regardless of the DSLAM being connected to (certainly in the Oldham area where I live & some other areas - Perhaps Zarjaz
could confirm if this was a short-lived nationwide policy).
An engineer who visited me at weekend to check whether my loss of 10 Mbps DS sync speed was crosstalk or a line 'fault' confirmed that local engineers are now instructed to install/replace existing modems when visiting using Huawei HG612 modems.
That may only be a local instruction though as all the DSLAMS in Oldham are apparently Huaweis.
It seems that ECI modems can occasionally struggle to actually sync when connected to Huawei DSLAMs, particularly on longer D-side connections.
Through monitoring other connections to ECI DSAMS, we have seen a slight deterioration when connecting a Huawei modem.
However, but at least obtaining a pattern of connection stats is easy & reliable when doing so.
Have you checked that the program is actually logging data every minute, 24/7?
The best method is to rename your original modem_stats.log (In the Ongoing_Stats folder) & allow the new programs to start a brand new modem_stats.log
Once a new log has started logging, the old data can be copied & pasted into the new log BEFORE the new data, ensuring no blank lines between old & new data.
You can check the ongoing logging at any time by manually running graphpd.exe & specifying a few minutes or a few hours by entering say '30 m' or '4 h' (it defaults to 24 hours if nothing is specified).
FWIW, via the settings editor program, I have my connection harvest & graph ongoing stats daily at 06:00 & snapshot graphs every 8 hours starting at 06:00.
Those scheduled events seem to provide a good daily view of snapshot data at a quiet time, when the connection should be performing at its best & at a typically 'noisy' time when many users will be using their connections.
You can of course manually run HG612_current_stats.exe at any time for ad-hoc data havesting/graphing.
I don't know about what could be causing any issues. I thought it might be the TV but it does not coincide with the SNR. The only other things are my PC, monitor and router or the fridge freezer. Unfortunately I live in a flat above a hair salon and next door to me are an accountant and my landlords office. Next to the accountants is a car repair shop.
EDIT: I've just taken the interstitial plate off and attached one of my numerous filters to test. Sync rate went down but US SNR went back to normal of around 6dB. It may just be the resync did it though so I will have to leave it like this for a bit. Attainable US rate also went up obviously.
Another source of connection interference could be an alarm system, connected to a remote monitoring station over the phone line.
Apparently these have occasionally been wired in BEFORE any DSL filters/faceplates & do not contain any of their own filtering.
If it's of any interest to you, an updated version of GRAPH6.exe (the actual snapshot data graphing program) can be downloaded here:-
Updated GRAPH6.exe Download
It provides a little more data such as connection up time at the time the data was harvested & displays the total bits loaded for DS, US & 'Shared' tones.
Simply replace the original GRAPH6.exe program eith the updated one.
You can even re-graph old Plink log data files by dragging & dropping them onto the GRAPH6.exe icon in the Scripts folder if you wished to have your old data in the new graph format.
The new format graphs will overwrite any old graphs stored in the same folder as the relevant Plink log file.
Edited by Bald_Eagle1 (Wed 17-Jul-13 21:51:38)