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Frequent Disconnection Problem In BSNL Home 500 UT300R2U

This is a discussion on Frequent Disconnection Problem In BSNL Home 500 UT300R2U within the BSNL broadband forums, part of the Broadband Internet Service Providers category; Hi I am having BSNL 500 plan with UT300R2U modem Using in pppoe mode ipconfig status Ethernet adapter LAN: Connection-specific ...

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Old 09-08-09, 12:21 AM   #1
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Default Frequent Disconnection Problem In BSNL Home 500 UT300R2U

Hi

I am having BSNL 500 plan with UT300R2U modem

Using in pppoe mode
ipconfig status

Quote:
Ethernet adapter LAN:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 192.168.1.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1

PPP adapter BSNL (PPPOE):

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 59.92.253.70
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 59.92.253.70
I am having the problem of frequent disconnect and reconnection

There is no specified interval at which it happens
Its random.

I have 5 lights in my modem..
Power,DSL,Internet,Ethernet,USB

Here is the sequence in which disconnection happens

Internet light will fickle very fastly and then DSL light goes off along with internet light

After few seconds DSL light comes on and afterwards Internet light comes


I have called lineman 2 times but unfortunately when he came the connection was working fine
he told me that there is no problem with my line


Further more info :
1.I have used open DNS but in vain
2.SLR values are as follows
Quote:
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 13.8 13.2
Attenuation (dB): 29.0 15.1
Output Power (dBm): 12.3 19.4
Attainable Rate (Kbps): 11603 1066
Rate (Kbps): 8050 861
MSGc (number of bytes in overhead channel message): 62 14
B (number of bytes in Mux Data Frame): 222 11
M (number of Mux Data Frames in FEC Data Frame): 1 8
T (Mux Data Frames over sync bytes): 1 7
R (number of check bytes in FEC Data Frame): 8 16
S (ratio of FEC over PMD Data Frame length): 0.9545 3.7966
L (number of bits in PMD Data Frame): 1936 236
D (interleaver depth): 32 8
Delay (msec): 7 7

Super Frames: 31213 10325
Super Frame Errors: 1007 29317
RS Words: 2122502 173955
RS Correctable Errors: 51826 808260
RS Uncorrectable Errors: 15009 N/A

HEC Errors: 623 191286
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 9625345 924923613
Data Cells: 18991 126394659
Bit Errors: 11484 21918595

Total ES: 1420 510184
Total SES: 308 504012
Total UAS: 237 502500
3. I have seen the SLR values dropping to 6-7 many times though

4. Here is my modem info
Quote:
Device Info

Board ID: 96338L-2M-8M
Software Version: 3.08.02.UB.01.14_1357_100807
Bootloader (CFE) Version: 1.0.37-10.1
Firmware Version: UT300R2U.0011.01
Hardware Version: UT300R2U 2.2
Model Name: UT300R2U

This information reflects the current status of your DSL connection.

Line Rate - Upstream (Kbps): 861
Line Rate - Downstream (Kbps): 8050
LAN IP Address: 192.168.1.1
Default Gateway:
Primary DNS Server: 192.168.1.1
Secondary DNS Server: 192.168.1.1
5.
Quote:
pppoe_0_35_1 Diagnostics

Your modem is capable of testing your DSL connection. The individual tests are listed below. If a test displays a fail status, click "Rerun Diagnostic Tests" at the bottom of this page to make sure the fail status is consistent. If the test continues to fail, click "Help" and follow the troubleshooting procedures.

Test the connection to your local network
Test your ENET(1-4) Connection: PASS
Test your USB Connection: DOWN

Test the connection to your DSL service provider
Test ADSL Synchronization: PASS
Test ATM OAM F5 segment ping: FAIL
Test ATM OAM F5 end-to-end ping: FAIL

Test the connection to your Internet service provider
Test PPP server connection: PASS
Test authentication with ISP: FAIL
Test the assigned IP address: FAIL
Ping default gateway: FAIL
Ping primary Domain Name Server: PASS
6.Except AnnexM Enabled all are enabled
Inner pair is selected
Bitswap Enable is enabled


Coming to what are the things that i tried ..

1.Connected directly the line without the splitter - same problem continues
2.Used USB mode - same problem continues
3.Reset the modem by pressing the hardware reset - same problem continues
4.Used in bridge mode - same problem continues
5.have checked some wiring and have removed and placed them many times -same problem continues

Please tell me what to do to prevent this problem ..
I will try anything but please dont tell me to complain to BSNL again the lineman will just come and go

Last edited by adithyau; 09-08-09 at 12:21 AM. Reason: Automerged Doublepost
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Old 09-08-09, 12:31 AM   #2
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Here is my modem picture BTW
Attached Images
File Type: jpg aditech005.jpg (97.4 KB, 17 views)
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Old 09-08-09, 12:45 AM   #3
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Change the ADSL2+ to G.DMT
If any improvement
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Old 09-08-09, 12:51 AM   #4
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G.DMT is horrible
Quote:
Statistics -- ADSL

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

Downstream Upstream
SNR Margin (dB): 7.4 13.0
Attenuation (dB): 30.0 15.5
Output Power (dBm): 12.1 19.8
Attainable Rate (Kbps): 9414 1194
Rate (Kbps): 8826 830
K (number of bytes in DMT frame): 256 25
R (number of check bytes in RS code word): 6 16
S (RS code word size in DMT frame): 0.5 8
D (interleaver depth): 64 4
Delay (msec): 8 8

Super Frames: 3008 3000
Super Frame Errors: 766 5
RS Words: 409152 25500
RS Correctable Errors: 59881 15
RS Uncorrectable Errors: 29032 N/A

HEC Errors: 581 3
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 1063974 0
Data Cells: 10402 0
Bit Errors: 0 0

Total ES: 1802 510442
Total SES: 336 504106
Total UAS: 307 502574
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Old 09-08-09, 12:57 AM   #5
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Cheak is it disconnect like before or not.

From above screenshot I think your line is not good.
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Old 09-08-09, 01:07 AM   #6
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Quote:
Originally Posted by Indranil View Post
Cheak is it disconnect like before or not.

From above screenshot I think your line is not good.
yes it disconnects like before in other mode too.. and SLR values is way too low in that mode
BTW SLR values now in ADSL+2 Mode
Quote:
Statistics -- ADSL

Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 7.8 6.5
Attenuation (dB): 29.5 15.2
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Old 09-08-09, 01:28 AM   #7
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Your line have noise or some disturbance.
SNR means Signal to Noise Ratio where 6dB or below have no line synchronisation and frequent disconnections. If you get 7dB to 10dB the it's fair but not good.
only 11dB to 20dB you get no disconnection problems and 20dB to 28dB is very good you can say it Excellent.

I see in your screenshot that only in G.DMT mode you get SNR 13dB at Upstream.

Your line is not good. Have to cheak with BSNL people. But you dont want to call again. You can talk to SDE or DE Internal or DE External.
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Old 09-08-09, 01:38 AM   #8
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Quote:
Originally Posted by Indranil View Post
Your line have noise or some disturbance.
SNR means Signal to Noise Ratio where 6dB or below have no line synchronisation and frequent disconnections. If you get 7dB to 10dB the it's fair but not good.
only 11dB to 20dB you get no disconnection problems and 20dB to 28dB is very good you can say it Excellent.

Your line is not good. Have to cheak with BSNL people. But you dont want to call again. You can talk to SDE or DE Internal or DE External.
Thanks for the reply .. i will try to talk to SDE or DE ..(surely will not call the line man again )
In the mean time i would appreciate if anyone can come into a solution .. i can will try everything that you say folks
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Old 09-08-09, 01:55 AM   #9
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1.seems adsl2 is better. change to this mod mode

2. In same page ensure Bitswap is enabled.
http://i19.tinypic.com/6kqygzt.jpg

3. In Advanced settings DNS
uncheck obtain DNS automatically
enter 208.67.220.220
and 208.67.222.222
Save reboot Wait for 2 minutes.

FEEDBACK.
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Old 09-08-09, 02:34 AM   #10
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^^
GOT A BIG PROBLEM

Seems like all my settings are not saving in the modem ...
Once it gets powered off it is getting reset
and when i click save/reboot it reboots but i am unable to connect it gives me remote computer not able to respond error ..

And once i power off and restart all values are restored to default ..

And i have enabled ADSL and Bitswap is already enabled.
Changed the DNS

Quote:
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 13.4 101.9
Attenuation (dB): 29.5 15.4
Output Power (dBm): 12.2 19.4
Attainable Rate (Kbps): 8666 884
Rate (Kbps): 7661 861
MSGc (number of bytes in overhead channel message): 63 14
B (number of bytes in Mux Data Frame): 206 11
M (number of Mux Data Frames in FEC Data Frame): 1 8
T (Mux Data Frames over sync bytes): 1 7
R (number of check bytes in FEC Data Frame): 8 16
S (ratio of FEC over PMD Data Frame length): 0.9307 3.8128
L (number of bits in PMD Data Frame): 1848 235
D (interleaver depth): 32 8
Delay (msec): 7 7

Super Frames: 11431 11439
Super Frame Errors: 1262 33672
RS Words: 788796 191993
RS Correctable Errors: 60063 903490
RS Uncorrectable Errors: 23826 N/A

HEC Errors: 901 225962
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 3306153 938918512
Data Cells: 6554 126502598
Bit Errors: 0 25933461

Total ES: 141 512685
Total SES: 20 505594
Total UAS: 18 503852
How can the upstream be 100 DB ..
Has my modem gone nuts ..?

Here is the latest one
Quote:
Statistics -- ADSL

Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 13.6 10.3
Attenuation (dB): 29.5 15.4
Output Power (dBm): 12.2 19.3
Attainable Rate (Kbps): 10388 1344
Rate (Kbps): 7661 861
MSGc (number of bytes in overhead channel message): 63 14
B (number of bytes in Mux Data Frame): 206 11
M (number of Mux Data Frames in FEC Data Frame): 1 8
T (Mux Data Frames over sync bytes): 1 7
R (number of check bytes in FEC Data Frame): 8 16
S (ratio of FEC over PMD Data Frame length): 0.9307 3.7966
L (number of bits in PMD Data Frame): 1848 236
D (interleaver depth): 32 8
Delay (msec): 7 7

Super Frames: 19553 939
Super Frame Errors: 1516 33777
RS Words: 1349170 15826
RS Correctable Errors: 74041 907053
RS Uncorrectable Errors: 27480 N/A

HEC Errors: 1063 226857
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 5663390 939177918
Data Cells: 9105 126504210
Bit Errors: 0 26045880

Total ES: 192 512714
Total SES: 24 505605
Total UAS: 18 503852
BTW i am from Karnataka and the modem is rental by BSNL .. have got the connection on feb 2009

Last edited by adithyau; 09-08-09 at 02:34 AM. Reason: Automerged Doublepost
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Old 09-08-09, 02:43 AM   #11
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It's better to cheak another modem or router.
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Old 09-08-09, 08:31 AM   #12
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are you using "Dialer" mode ( "Bridged")
( enter UserID and PW in computer window)
or
"Always On" PPP/PPPoE mode
( UserID and PW entered in modem ). ?

2. Post this data ( copy Paste)
Procedure:
Start /RUN /type cmd Ok
New WIndow
type ipconfig /all

3. Go to Maintenance menu and select SAVE REBOOT button again there.
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Old 09-08-09, 10:19 AM   #13
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I am using the dialer mode
Quote:

Windows IP Configuration

Host Name . . . . . . . . . . . . : xp
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter LAN:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethe
rnet NIC
Physical Address. . . . . . . . . : 00-0B-6A-C8-E2-1A
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DNS Servers . . . . . . . . . . . : 192.168.1.1
Lease Obtained. . . . . . . . . . : Tuesday, September 08, 2009 925
AM
Lease Expires . . . . . . . . . . : Wednesday, September 09, 2009 92
5 AM

PPP adapter BSNL (PPPOE):

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 59.92.244.12
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 59.92.244.12
DNS Servers . . . . . . . . . . . : 218.248.240.179
218.248.240.181
NetBIOS over Tcpip. . . . . . . . : Disabled
And i am able to save the settings now..
What happened was there was TR-069 client - Configuration setting which used to load default values at bootup ... i have disabled it now and everything saves now

So modem is not faulty .. line is ok IMO .. dunno whats wrong

I am using the dialer mode
Quote:

Windows IP Configuration

Host Name . . . . . . . . . . . . : xp
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter LAN:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethe
rnet NIC
Physical Address. . . . . . . . . : 00-0B-6A-C8-E2-1A
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DNS Servers . . . . . . . . . . . : 192.168.1.1
Lease Obtained. . . . . . . . . . : Tuesday, September 08, 2009 925
AM
Lease Expires . . . . . . . . . . : Wednesday, September 09, 2009 92
5 AM

PPP adapter BSNL (PPPOE):

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 59.92.244.12
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 59.92.244.12
DNS Servers . . . . . . . . . . . : 218.248.240.179
218.248.240.181
NetBIOS over Tcpip. . . . . . . . : Disabled
And i am able to save the settings now..
What happened was there was TR-069 client - Configuration setting which used to load default values at bootup ... i have disabled it now and everything saves now

So modem is not faulty .. line is ok IMO .. dunno whats wrong

Last edited by adithyau; 09-08-09 at 10:19 AM. Reason: Automerged Doublepost
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Old 09-08-09, 02:50 PM   #14
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Quote:
Originally Posted by adithyau View Post
So modem is not faulty .. line is ok IMO .. dunno whats wrong
You mean you dont have frequently disconnection problem now.
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Old 09-09-09, 02:41 PM   #15
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Quote:
Originally Posted by Indranil View Post
You mean you dont have frequently disconnection problem now.
The same problem still exists ..
Quote:
Statistics -- ADSL

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

Downstream Upstream
SNR Margin (dB): 8.4 20.0
Attenuation (dB): 30.0 15.0
Output Power (dBm): 12.1 19.8
Attainable Rate (Kbps): 12668 1449
Rate (Kbps): 12218 830
K (number of bytes in DMT frame): 354 25
R (number of check bytes in RS code word): 6 16
S (RS code word size in DMT frame): 0.5 8
D (interleaver depth): 64 4
Delay (msec): 8 8

Super Frames: 7138 7078
Super Frame Errors: 111 0
RS Words: 970832 60163
RS Correctable Errors: 67386 3
RS Uncorrectable Errors: 6283 N/A

HEC Errors: 101 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 3497063 0
Data Cells: 10517 0
Bit Errors: 0 0

Total ES: 16 0
Total SES: 0 0
Total UAS: 11 0
Any help please ..
Quote:
Statistics -- ADSL

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

Downstream Upstream
SNR Margin (dB): 6.7 21.0
Attenuation (dB): 29.0 15.0
Output Power (dBm): 11.9 19.8
Attainable Rate (Kbps): 12495 1453
Rate (Kbps): 12010 830
K (number of bytes in DMT frame): 348 25
R (number of check bytes in RS code word): 6 16
S (RS code word size in DMT frame): 0.5 8
D (interleaver depth): 64 4
Delay (msec): 8 8

Super Frames: 6371 6312
Super Frame Errors: 1 0
RS Words: 866520 53652
RS Correctable Errors: 365 0
RS Uncorrectable Errors: 7 N/A

HEC Errors: 0 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 3068819 0
Data Cells: 1328 0
Bit Errors: 0 0

Total ES: 1 0
Total SES: 0 0
Total UAS: 11 0

Last edited by adithyau; 09-09-09 at 02:41 PM. Reason: Automerged Doublepost
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Old 09-09-09, 07:30 PM   #16
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Quote:
: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 13.6 10.3
Attenuation (dB): 29.5 15.4
Output Power (dBm): 12.2 19.3
Attainable Rate (Kbps): 10388 1344
Rate (Kbps): 7661 861
Only these data required. try again adsl2
remove all phones and connect ONly one phone to adsl splitter.
then try.
Para two:
In Advanced settings dsl
uncheck box adsl2+ enabled.
Annex M enabled.
Save reboot wait for two minutes.

Under Maintenance any menu item
client TR-069 ? if enabled disable it
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Old 09-09-09, 07:45 PM   #17
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i have done all ..
Even have connected the phone directly to splitter ... have selected individual modes and have done every test and only AnnexM doesnt work .. the dsl light never blinks at all...

And the disconnection problem is irregualar ..

As per my anaysis G.DMT now offers good SNR values
Quote:
Downstream Upstream
SNR Margin (dB): 10.0 20.0
Attenuation (dB): 29.0 14.5
Output Power (dBm): 12.0 19.8
Attainable Rate (Kbps): 13256 1449
Rate (Kbps): 12495 830
But there is still the problem of disconnection and yes you are right TR-069 was enabled earlier but i have disabled it yesterday itself and now i am able to save the settings ..
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Old 09-09-09, 08:18 PM   #18
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Are you on "Dialer" "Bridged" mode ? try 'Always On"
Test again.
Annex M to be disabled.
check the cables for high resistance/blackening/oxidisations
If the modem is on rent exchange it.
or if purchased, replacement possible within a year.

Para two: Attainable rate and line rate there should a difference.
type 192.168.1.1 open modem settings
type 192.168.1.1/look.html
post software version Firmware version etc.
If you want you can try a FW update.at your own risk don't blame me later if anything goes wrong and your modem becomes "DUD"!
Quote:
Mine 110BX1 similar hardware BOARD MENU PAGES
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

downstream Upstream
SNR Margin (dB): 30.3 16.0
Attenuation (dB): 8.0 19.6 (*6KMs from exchange)
Output Power (dBm): -14.4 6.4
Attainable Rate (Kbps): 13104 1315
Rate (Kbps): 2063 519

Last edited by essbebe; 09-09-09 at 08:22 PM. Reason: Automerged Doublepost
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Old 09-09-09, 09:10 PM   #19
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adithyau talk to SDE or DE Internal or DE External to solve your problem. User dose not need too mutch headache to set up a router and use the internet If the line is good. Your line signal very poor or have disturbance your Downstream SNR dosenot good. You have nothing to do from your side. Talk to them and solve your problem. They will definitely solve your problem.
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Old 09-12-09, 10:12 PM   #20
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The disconnection problem has solved a bit moving to G.DMT but now i got a BIG problem which i think i will call the BSNL on monday

My landline phone has gone crazy ..
1.I dail my cell .and hung up the landline even then the phone continues to ring

2.The landline is hunged up and call it via landline .. instead of ringing my cell gets connected automatically and i am getting charges for it..and i can hear nothing

3.I am hearning double tone in my landline

BUt surprisingly my Broad band has become good .. just at max 5 disconnection of 30 sec in 3-5 hrs...

The thing is in MY CITY ALL BB USERS FACE the problem of disconnection .. i have confirmed this from my friends ..

I have directly connected my landline to the incoming line of the splitter and when i try to call i get line out of service ...seems like i am in real bad shape right now .. earlier there was just the disconnection problem now landline problem
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