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getting frequent issues with bsnl home 750UL modem -DNA-A211-I

This is a discussion on getting frequent issues with bsnl home 750UL modem -DNA-A211-I within the BSNL broadband forums, part of the Broadband Internet Service Providers category; from past some days i see net suddenly stops and starts working after 4-5 minutes , nothing helps like modem ...

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getting frequent issues with bsnl home 750UL modem -DNA-A211-I getting frequent issues with bsnl home 750UL modem -DNA-A211-I

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Old 08-15-09, 02:13 AM   #1
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Red face getting frequent issues with bsnl home 750UL modem -DNA-A211-I
from past some days i see net suddenly stops and starts working after 4-5 minutes , nothing helps like modem reboot , pc reboot etc , please guide me
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Old 08-15-09, 10:32 AM   #2
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Post your SNR & Line Attn values.
Is your line clear i.e. is it free of any disturbance, noise.
Meanwhile also check out this thread: Frequent disconnection
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Old 08-15-09, 12:07 PM   #3
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in statistics> adsl> it shows

Statistics -- ADSL

Mode: G.DMT
Type: Fast
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 26.3 25.0
Attenuation (dB): 38.0 19.5
Output Power (dBm): 12.1 19.7
Attainable Rate (Kbps): 5312 736
Rate (Kbps): 2048 256
K (number of bytes in DMT frame): 65 9
R (number of check bytes in RS code word): 0 0
S (RS code word size in DMT frame): 1 1
D (interleaver depth): 1 1
Delay (msec): 0 0

Super Frames: 23009 23025
Super Frame Errors: 2 0
RS Words: 0 0
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A

HEC Errors: 1 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 1889501 0
Data Cells: 69521 0
Bit Errors: 0 0

Total ES: 2 0
Total SES: 0 0
Total UAS: 15 0


i dont have parallel phone connection meant only for broadband
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Old 08-15-09, 01:58 PM   #4
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Default Same Problem
I am facing the same problem. Here are the connection values:

Statistics -- ADSL

Mode: READSL
Type: Fast
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 3.9 8.9
Attenuation (dB): 36.0 43.5
Output Power (dBm): 10.8 19.2
Attainable Rate (Kbps): 2210 278
Rate (Kbps): 1949 225
K (number of bytes in DMT frame): 56 14
R (number of check bytes in RS code word): 16 16
S (RS code word size in DMT frame): 4 16
D (interleaver depth): 8 1
Delay (msec): 8 4

Super Frames: 98863 100440
Super Frame Errors: 123 84951
RS Words: 1631242 200881
RS Correctable Errors: 404702 8243020
RS Uncorrectable Errors: 889 N/A

HEC Errors: 109 185179
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 7386359 780491272
Data Cells: 127366 313026291
Bit Errors: 0 21948446

Total ES: 41 1731023
Total SES: 4 1709631
Total UAS: 189 1707161
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Old 08-15-09, 02:13 PM   #5
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Quote:
Originally Posted by bhanuprasad1981 View Post
in statistics> adsl> it shows

Statistics -- ADSL

Mode: G.DMT
Type: Fast
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 26.3 25.0
Attenuation (dB): 38.0 19.5
Output Power (dBm): 12.1 19.7
Attainable Rate (Kbps): 5312 736
Rate (Kbps): 2048 256
K (number of bytes in DMT frame): 65 9
R (number of check bytes in RS code word): 0 0
S (RS code word size in DMT frame): 1 1
D (interleaver depth): 1 1
Delay (msec): 0 0

Super Frames: 23009 23025
Super Frame Errors: 2 0
RS Words: 0 0
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A

HEC Errors: 1 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 1889501 0
Data Cells: 69521 0
Bit Errors: 0 0

Total ES: 2 0
Total SES: 0 0
Total UAS: 15 0


i dont have parallel phone connection meant only for broadband
Attenuation values seems to be high. Please get your line checked.

Quote:
Originally Posted by un155 View Post
I am facing the same problem. Here are the connection values:

Statistics -- ADSL

Mode: READSL
Type: Fast
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 3.9 8.9
Attenuation (dB): 36.0 43.5
Output Power (dBm): 10.8 19.2
Attainable Rate (Kbps): 2210 278
Rate (Kbps): 1949 225
K (number of bytes in DMT frame): 56 14
R (number of check bytes in RS code word): 16 16
S (RS code word size in DMT frame): 4 16
D (interleaver depth): 8 1
Delay (msec): 8 4

Super Frames: 98863 100440
Super Frame Errors: 123 84951
RS Words: 1631242 200881
RS Correctable Errors: 404702 8243020
RS Uncorrectable Errors: 889 N/A

HEC Errors: 109 185179
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 7386359 780491272
Data Cells: 127366 313026291
Bit Errors: 0 21948446

Total ES: 41 1731023
Total SES: 4 1709631
Total UAS: 189 1707161
Please get your line checked. SNR and Attenuation values are not good.
Last edited by meetdilip; 08-15-09 at 02:13 PM. Reason: Automerged Doublepost
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Old 08-15-09, 07:59 PM   #6
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ensure that all your telephones are connected after the splitter
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Old 09-16-09, 01:01 PM   #7
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ok guys i am back with , it took a month for bsnl to check my line here is present values after they repaired line :-

Statistics -- ADSL

Mode: G.DMT
Type: Fast
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 21.9 30.0
Attenuation (dB): 42.0 20.0
Output Power (dBm): 11.6 19.3
Attainable Rate (Kbps): 4992 896
Rate (Kbps): 2048 256
K (number of bytes in DMT frame): 65 9
R (number of check bytes in RS code word): 0 0
S (RS code word size in DMT frame): 1 1
D (interleaver depth): 1 1
Delay (msec): 0 0

Super Frames: 422321 422236
Super Frame Errors: 7 0
RS Words: 0 0
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A

HEC Errors: 1 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 34678290 0
Data Cells: 1488863 0
Bit Errors: 0 0

Total ES: 9 0
Total SES: 2 0
Total UAS: 42 0
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Old 09-16-09, 01:19 PM   #8
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Originally Posted by bhanuprasad1981 View Post
SNR Margin (dB): 21.9 30.0
Attenuation (dB): 42.0 20.0
Attenuation value seems to be very high. Are you far away from exchange ? Are you facing disconnection problems now ?
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Old 09-16-09, 01:23 PM   #9
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So is your problem solved but still your Attenuation (dB) is higher.

The SNR should be higher than 20 though anything above 10 is enough.

Attenuation should be as low as possible.

If Attenuation starts going higher than 40 and SNR going down below 10, its time to complaint about the line condition.
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Old 09-16-09, 01:51 PM   #10
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Quote:
Originally Posted by meetdilip View Post
Attenuation value seems to be very high. Are you far away from exchange ? Are you facing disconnection problems now ?
i am 4-5 km away from exchange no disconnections in past 12 hours
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Old 09-16-09, 09:23 PM   #11
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did they change the line at your end?>
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Old 09-16-09, 11:55 PM   #12
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did they change the line at your end?>
nothing changed at my end
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Old 09-17-09, 12:21 AM   #13
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The unit DNA A211-I reported "Buggy"
Have you tried the software update recommended at SemIndia web site. ?

http://www.semindia.in/SemIndiaSystems_DwnLoad.htm
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Old 09-17-09, 01:34 AM   #14
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The unit DNA A211-I reported "Buggy"
Have you tried the software update recommended at SemIndia web site. ?

Welcome to SEMINDIA, Semiconductors - Made in India
already done thanks
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Old 09-17-09, 02:09 AM   #15
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i too had very simillar issuies but for me SNR and Attenuation values where exclent, ITI DNA modems are not a sucess they have issues just try with any other modem if you can arrange one from anywhere.

get your line checked at your end there should not be any cuts and joints it should be a single straight wire, away from electrical lines.
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