Streamyx SNR Margin

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Streamyx SNR Margin, --Read here if you face disconnections-- (Broadband Problems)

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hoongern

Dec 27 2005, 08:06 PM

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--- ADSL Line Status
Status : OPERATIONAL (1)
SnrMgn (dB) : 7
Attenuation (dB) : 58
PSDM (-dBm) : 38
ALARMS : No Defect
ADSL Framing Mode : 3
DS TxRate (kbps) :1856 US TxRate (kbps) : 608
CrcBlockLength : 59 CrcBlockLength : 20
Symbol/Codeword : 1 Symbol/Codeword : 1
CheckBytes : 0 CheckBytes : 0
Intl Delay (ms) : 0 Intl Delay (ms) : 0
ES Count : 799
ReceivedBlks : 7324005
TransmittedBlks : 7324005
CorrectedBlks : 0
UncorrectedBlks : 140829

My SNR is pretty low, 6dB. Last time I used to get 23dB, so I'm not sure what happened... Regardless of what my DS/US TxRate is, I never get anything above 60KiB/s down and 25KiB/s up.

But I have been facing lots and lots of disconnections the past few days...

Anyone know what the PSDM, CrcBlockLength, Symbol/Codeword, Checkbytes etc etc mean?

dplaya03

Dec 27 2005, 08:31 PM

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QUOTE(prasys @ Dec 27 2005, 07:29 PM)

SRN ? or is it SNR

dplaya03 , Please post your details (I meant your modem details). So at least someone could check it out for you. Do you face a lot of disconnections ?

Sorry.. wrong typo.. its SNR

Here is the status that i got from my router Dlink DSL 504T
SNR Margin 11 26 dB
Line Attenuation 51 59 dB
Data Rate 1024 384 kbps

prasys

Dec 27 2005, 09:07 PM

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wow , your downlink semes to be really bad. Your line is really bad..Seriously , uplink and downlink..lots of noise , better contact TM

karhoe

Dec 29 2005, 11:04 PM

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for me, before this my SNR margin was around 28-30db with the line speed of 512kbps/256kbps till recently when they upgrade my line speed to 3072/896 and reducing my SNR margin to 13db, so its obviously not the problem at my house line right? problem at DSLAM?

dplaya03

Dec 30 2005, 07:25 AM

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QUOTE(prasys @ Dec 27 2005, 09:07 PM)

wow , your downlink semes to be really bad. Your line is really bad..Seriously , uplink and downlink..lots of noise , better contact TM

I have to call more than 4 times just to get them to open a report. I have told them that my SNR margin is too low and line attenuation is too high, it seems like they don't understand what it is. Just keep on asking me to troubleshot this and that.

yongkailoon

Dec 30 2005, 11:36 PM

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I was wondering too. If call TM to report about low SNR margin, what to tell them huh ?

utama03

Dec 31 2005, 12:36 AM

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Hi,

Would like to know whether the low SNR margin is caused by the poor line quality and thus lead to frequent line drops? So far only one or two helpdesk assistants understood what I meant by low SNR margin. however, the quality has not been improved despite numerous reports made.

Do I need to call the technician from TMNet technician to come over to check the line and bypass the Streamyx call centre? And would it be any problem relevant to my modem? THere is no problem at all when i use my old USB modem but when using the ethernet modem, the line drops frequently and the d/l speed is very poor.

thank you.

yongkailoon

Dec 31 2005, 12:51 AM

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The quality of the phone line is also a factor for the SNR margin. Maybe you can call TM (100) and ask them to change your phone line.

hoongern

Jan 2 2006, 06:12 PM

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I'm wondering whether this drop of SNR is causing more disconnection problems... I have kept a log of my streamyx connections since last july, and here is a graph of the connection status since october... and you can see the large amount of disconnections... Is that when they started uncapping the lines and the SNR decreased?

Prostitude

Jan 2 2006, 06:16 PM

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How do i check ADSL line status? My connection also very damn slow already... Dunno why it damn slow?

gstoh

Jan 2 2006, 08:27 PM

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i am facing frequent dc also ...
evey hour dc at least 1 time............

here is my SNR for normal condition
Downstream Upstream
SNR Margin 15.7 23.0 dB
Line Attenuation 49.9 29.5 dB
Errored Seconds 825 3
Loss of Signal 9 9
Loss of Frame 0 0
CRC Errors 1 0
Data Rate 1024 384 kbps
Latency FAST FAST

why the US SNR is higher than DS SNR ??

yongkailoon

Jan 2 2006, 08:29 PM

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My upload SNR is also higher than download SNR. Your SNR seems fine. Can't say excellent but satisfactory.

gstoh

Jan 3 2006, 10:36 AM

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QUOTE(hardyboyz888 @ Jan 2 2006, 08:29 PM)

My upload SNR is also higher than download SNR. Your SNR seems fine. Can't say excellent but satisfactory.

yaya .. because at that time my connection still fine..
i will post the SNR margin when it make me mad~~

unstoppable

Feb 8 2006, 09:45 PM

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had been suffering for two months already, at last i get my telephone line today in new house, i was so happy for the SNR

take a look on picture below, at last i get a stable connection, but i register got 1mb package and i getting 512 only

will make a report soon.

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mengsuan

Feb 8 2006, 10:10 PM

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QUOTE(unstoppable @ Feb 8 2006, 09:45 PM)

had been suffering for two months already, at last i get my telephone line today in new house, i was so happy for the SNR

take a look on picture below, at last i get a stable connection, but i register got 1mb package and i getting 512 only

will make a report soon.

Hey, you really got a good line. ~Cheers~

bmbk

Feb 9 2006, 06:59 PM

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i got this snr margin suddently when checking thru my router,

what you think,

maybe i was connected to fiber optic, have to go to back of my house and see, hahahahahah

telekom telekom, joker lar you guys.

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Eoma

Feb 9 2006, 07:37 PM

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QUOTE(bmbk @ Feb 9 2006, 06:59 PM)

i got this snr margin suddently when checking thru my router,

what you think,

maybe i was connected to fiber optic, have to go to back of my house and see, hahahahahah

telekom telekom, joker lar you guys.

Or your modem koyak ?

mengsuan

Feb 10 2006, 02:24 PM

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What the heck???

What is that SNR margin? And btw, your attenuation is quite high.

I am connected to streamyx throught fiber optic but I never see such thing happening to my connection.

And I was laughing by myself at the computer when I read this. I wonder if someone thought that I lost my mind.

This post has been edited by mengsuan: Feb 10 2006, 02:27 PM

joey2000

Feb 15 2006, 03:39 PM

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How about SNR Never over 6-7dB ? I can online in the morning (quite stable). but at night ,the SNR drop to 0 every few minutes ( mean dc every few minutes).

Morning can online, after 7pm cannot. The SNR Up and down so frequent.

Eoma

Feb 15 2006, 07:05 PM

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QUOTE(joey2000 @ Feb 15 2006, 03:39 PM)

How about SNR Never over 6-7dB ? I can online in the morning (quite stable). but at night ,the SNR drop to 0 every few minutes ( mean dc every few minutes).

Morning can online, after 7pm cannot. The SNR Up and down so frequent.

Ask TM to come down and check your physical phones lines.

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