Bicephale
join:2005-09-24
 ·TekSavvy Solutions..
1 edit | reply to Bicephale
Re: From the ground up!
Well,
Here's my 1st long-term "noise" curve. It was intended to
last for a whole week but the application couldn't connect
with the unit any longer past some time early this morning
so i had to reboot it in order to make it work again - which
is why i'm only publishing a two days record, unfortunately. |
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DabberDan
join:2004-11-15
Gatineau, ON | reply to Bicephale
You get a dip on the SNR around 6pm too  |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| Hi DabberDan,
I tought a dip is where a curve drops but yes, it's visible
indeed and i can even see another of those emerging at
diner time so it's quite likely i still observe what i tagged
the "Cooking Hour Syndrome"... For one who did read my
thread from the begining it may seem like "The Monster"
keeps wandering around as well, actually.
My testing conditions didn't change since last fall but i'm
now ready to move the DSL unit to a shelf installed right
behind my NID, about ten inches from it, on the opposite
side of the wall: a ¼" hole is waiting for a short length of
telephone cable to bridge that gap but i wish to collect a
better defined curve 1st so i probably won't proceed with
that displacement before next week. Once i'm done, that
damn ugly mess which remained in a corner of my kitchen
for months will be history, at last!
My only fear is that while the MoDem moves further from
"The Monster" it will also get closer to the electric power
panel so my fingers are crossed...
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Bicephale
join:2005-09-24 | reply to DabberDan
Oh! "A dip on the SNR" curve!... I rarely pay attention
to SNR Margin curves so i thought in terms of noise... |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| 
'RouterStats' using TP-Link TD-8841 HTTP GUI |
Both 'DMT v8.07' and 'RouterStats v5.2d' were being run
simultaneously on a dedicated machine... Disconnections
occured if starting 'DMT' or accessing the device's HTTP
GUI from the main PC. |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "94012 bytes")
VelCom - TP-Link TD-8841 (2009, May-28 to Jun-5) |  TP-Link vs R···-5) .ZIP 236,861 bytes | | | %20.GIF "49218 bytes")
VelCom - TP-Link TD-8841 (Total, 2009, May-28 to Jun-5) |
The testing configuration which i've used since last fall has
changed significantly on June 8, 2009. Briefly put, all of my
future "noise" curves won't compare readily with old ones...
Now, about the present post, wild temperature & humidity
variations have returned with the last few weeks and i find
that it shows as it was difficult to decide which samples i'd
be able to average together. In the end, i created a set of
three categories. These are corresponding to:
• Green - Quiet
• Yellow - Normal
• Purple - Noisy
As for my 2nd graphic, it simply averages them all together.
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.JPG "102787 bytes")
Telephone Wiring - The Final Touch (2009-Jun-12) | | 
Old vs New DSL Device Location SNR Figures |
Here's what i've done to my phone-line wiring lately:
%20.JPG)
I didn't want to use iron tubes for shielding because of the heavy
crasftsmanship this requires so i chose an easier alternative: air!
Then i drilled a hole into the brick-wall, right behind the NID, and
i installed shelves on the ofther side, below an RJ-11 connector
box, in order to benefit from my new WilCom POTS splitter to its
full potential by locating the DSL unit as close as possible to the
NID...
No need to mention that CAT-5 wiring would be pointless here!!!
I've been considering many experiments (like RF Choking, etc.) so
the WAN-side setup went through a few changes but the "SNR"
curves collected by 'RouterStats' so far appear to confirm that it
was a rather good move to get closer, finally...
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "41004 bytes")
VelCom - June's Enigma (New MoDem Site, 2009) |
No SpreadSheet number crunching, just some relatively simple/lazy graphic editing... |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "69397 bytes")
VelCom - TP-Link TD-8841 vs RouterStats (2009-Jun-16) |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
2 edits | 
WilCom PS-15-01 i3S xDSL POTS Splitter Schematic |
I always wondered what's inside a POTS Splitter so here it is,
while the Fun-Jin ADS302G ADSL Filter which came with my
TP-Link MoDem is in place...
I almost forgot that one, looks like Europeans get better deals:
%20.PNG/thumb.jpg)
Click here to zoom in!
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| 
DMT v9.01 vs Siemens SS4200 SNMP Utility v0.1.0.9 |
I wish i had been made aware of it years ago:
Trev's SNMP Utility v0.1.0.9 (2007-Apr-8) for the Siemens SpeedStream 4200
Finally, 'DMT v9.01' can have two of its empty fields filled!...
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "34301 bytes")
TP-Link TD-8841 vs RouterStats Log (2009-Jun, 11, 14-15) | | TP-Link TD-8···15) .ZIP 908,724 bytes | | |  vs RouterStats (2009-Jun, 9, 13) .GIF/thumb.jpg "110268 bytes")
TP-Link TD-8841 (A) vs RouterStats (2009-Jun, 9, 13) |
Is my drop-line sane?...
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "40587 bytes")
TP-Link TD-8841 vs RouterStats Log (2009-Jun, 9, 13) |
Just a complement to highlight a feature which catched my eye previously... |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "15210 bytes")
TP-Link TD-8841 vs RouterStats - SNR Event (2009-Jun-13) |
Even more highlight... |
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
1 edit | %20.GIF "50551 bytes")
Siemens SS4200 vs DMT - Avg DS SNR (2009-Jun, 21-24) | | Siemens SS42···24) .ZIP 477,392 bytes | | |  .GIF/thumb.jpg "169297 bytes")
Siemens SS4200 vs DMT - Analysis with filtering (2009-Jun, 21-24) |
Noise daily records varied considerably.
Downward variations in my 4 days SNR Margin averaged curve remind me of this somewhat:
Click here to soom in!
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "122763 bytes")
Siemens SS4200 - DS SNR (2009, Jun-30, Jul 1 to 5) | %20.GIF "161042 bytes")
Siemens SS4200 - Rx CRC (2009, Jun-30, Jul 1 to 5) |
I just can't match a pair of daily stories among any of those, it must be a summer thing!...
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| %20.GIF "85468 bytes")
Siemens SS4200 - DS SNR - (2009-Jul, 7-12) | %20.GIF "89976 bytes")
Siemens SS4200 - Rx CRC - (2009-Jul, 7-12) | | Siemens SS42···12) .ZIP 720,532 bytes | | | %20.GIF "151963 bytes")
RF Choking Comparisons (2009, Jun 30, Jul 1-5 & 7-12) | %20.GIF "112873 bytes")
Siemens SS4200 - RF Choking (2009, Jun-30, Jul 1-5 & 7-12) |
Here's what this required:
• Lots of patience
• Some work
• No fancy formulas
Only common sense...
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
|  .GIF/thumb.jpg "198663 bytes")
Siemens SS4200 - 12 Days Avg Curves (2009, Jun, Jul) |
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Bicephale
join:2005-09-24 | These later results inspired a separate thread:
»RF Choking (on the WAN side)
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Bicephale
join:2005-09-24
·TekSavvy Solutions..
| 
VelCom - Limoilou - The Next Summer |
I moved my DSL device to a shelf located right
behind the NID and installed a POTS Splitter...
I used Stand-Off Cable Supports to move Bell's
drop-line away from the house's PVC electrical
power conduits.
I "tweaked" and added RF Chokes but, no matter
what i done, it seems Bell keeps reclaiming every
parcel of room i manage to free for myself when
i look back at my 1st days here:
%20.GIF/thumb.jpg)
From the ground up!, Bicephale, 2008-Jul-31
See the difference!?... Where's the noise from?!!
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%20.GIF "26530 bytes")
%20.PNG)
%20.GIF)