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SLT SNR Solution!
- Thread starter wijebahu
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Disconnect wena siddi nha
DSL-2520U Meken LAN cable agahala ara ZTE eken wifi zone eka forwardkaraa thiyenne. Meka mage gawa kalin tibba ekak ban.
macha me seen eka mokakda bn.....mageth dlink ekak thiyenawa wifi nethi nisa zte
use karanne....?
macha me seen eka mokakda bn.....mageth dlink ekak thiyenawa wifi nethi nisa zte
Dlink ekata slt configure krpn. Lan cable eka aran gajapan zte eketa dlink eken. Ekalla zte eka default ip eka wenas krpn. Zte eke dhcp disable krpn. Den umbe zte wifi eken dlink net connectionn eka share wnw
Downstream Upstream
SNR Margin : 14.6 21.5 db
Line Attenuation : 52.0 27.0 db
Data Rate : 5440 575 kbps
ඔන්න ඔහොමයි මගේ තියන්නේ Dlink දාගත්තොත් මගෙත් speed වැඩි වෙයිද බන්
Speed wedi eenne ne bn. Snr eka wedi wei. Etjakota slt ekata kiyala umbe port speed eka wedi krpn oya 4mbos eken adu gane 8mbps ekatawath. Disconnect wena ekak ne.
ithin bn d link eka me router ekata vada hondada bn??
http://www.tp-link.com/lk/products/details/?model=TD-W8960N#spec
mn oya snr dala thiyenne TP link eken nemei bn zte ekakin.
ube thiyenne 128kbps speed neda??mage snr margin
downstream 99 upstream 199
ow bn mona karannada ithinඋඹත් FAMILY ද දැන්?
maru una bn me mase
danatamath 20GB+ ivarai.vinasai ithin
mage meka thiyenne , mage snr eka balanna epaa wela thiyenne shit[/IMG]
Hemawelama drop wnw ethi ban appaa
මම දැන් අවුරුදු 3ක් තිස්සෙ යුස් කරන්නෙ ZTE රවුටර් එක. තාම ඔය කියනව වගේ කිසිම කචල් එකක් ඇවිල්ල නෑ.. දැන් 18 MBPS තිබිලත් SNR මේ ගානට තියෙන්නේ.. 8MBps තියෙන දවස් වල 28-30 වගේ තිබ්බෙ SNR එක.
මම දැන් අවුරුදු 3ක් තිස්සෙ යුස් කරන්නෙ ZTE රවුටර් එක. තාම ඔය කියනව වගේ කිසිම කචල් එකක් ඇවිල්ල නෑ.. දැන් 18 MBPS තිබිලත් SNR මේ ගානට තියෙන්නේ.. 8MBps තියෙන දවස් වල 28-30 වගේ තිබ්බෙ SNR එක.
Mageth tibba ban aurudu 2k vthara. Kalin mageth tibba 12k wage 20 mbps karama. Ekalla nikanma drop wenna gathe. Math kalin oya router ekata honda kiuwa. Eth mage line drop wenna gatha. Ekai mama kiyanne dlink eken wedi kiyala. ZTE ekath hondai. SNR adu eunta mama kiyanne router eka maru karama mata harigiya wage hariyai kiyala
එහෙමත් සීන් එකක්ද?මගේනම් තාම අවුලක් නෑ. උබ Dlink රවුටර් එක කීයද ගත්තෙ? warranty කොහොමද?
Signal-to-noise ratio
Signal-to-noise ratio (often abbreviated SNR or S/N) is an electrical engineering measurement defined as the ratio of a signal power to the noise power corrupting the signal.
In less technical terms, signal-to-noise ratio compares the level of a desired signal (such as music) to the level of background noise. The higher the ratio, the less obtrusive the background noise is. The concept can also be understood as normalizing the noise level to 1 (0 dB) and measuring how far the signal 'stands out'. In some instances interleaving can help raise the noise margin to an acceptable level.
In general, higher signal to noise is better; the signal is 'cleaner'.
Attenuation Rate
Attenuation is the gradual loss in intensity of any kind of flux through a medium(i.e. the reduction in signal strength due to length of your phone line). For instance, sunlight is attenuated by dark glasses, and X-rays are attenuated by lead.In ADSL the signal is attenuated by length of copper lines. Attenuation is normally directly linked to the length of your line. Copper is traditionally used in the local loop and the higher gauge of copper will give the best signal, however some lines may have some aluminium or aluminium joints on the line which will increase resistance... as will oxidization of joints. Attenuation is mesured in db or noise. The more noise the weaker the data signal
In general, lower Attenuation is better; the signal is 'stronger'.
Heres is my table of comparisons
SNR:
6dB or below is very bad and will experience no synch or intermittent synch problems
7dB-10dB is fair but does not leave much room for variances in conditions
11dB-20dB is good with little or no sync problems
20dB-28dB is excellent
29dB or above is outstanding
Attenuation:
20dB and below is outstanding
20dB-30dB is excellent
30dB-40dB is very good
40dB-50dB is good
50dB-60dB is poor and may experience connectivity issues
60dB or above is bad and will experience connectivity issues
The following guide (distance vs. attenuation vs speed) gives you an guestimate what you can achieve:
<1km should be 23-24Mbit (nice speed, but doesn't it bug you that Telkom people walk through your bedroom?)
1.0km = 13.81dB = 23Mbit
1.5km = 20.7dB = 21Mbit
2.0km = 27.6dB = 18Mbit
2.5km = 34.5dB = 13Mbit
3.0km = 41.4dB = 8Mbit
3.5km = 48.3dB = 6Mbit
4.0km = 56dB = 4Mbit
4.5km = 62.1dB = 3Mbit
5.0km = 69dB = 2Mbit
>5.0km (you are pretty much poked --- sorry for you)
Signal-to-noise ratio (often abbreviated SNR or S/N) is an electrical engineering measurement defined as the ratio of a signal power to the noise power corrupting the signal.
In less technical terms, signal-to-noise ratio compares the level of a desired signal (such as music) to the level of background noise. The higher the ratio, the less obtrusive the background noise is. The concept can also be understood as normalizing the noise level to 1 (0 dB) and measuring how far the signal 'stands out'. In some instances interleaving can help raise the noise margin to an acceptable level.
In general, higher signal to noise is better; the signal is 'cleaner'.
Attenuation Rate
Attenuation is the gradual loss in intensity of any kind of flux through a medium(i.e. the reduction in signal strength due to length of your phone line). For instance, sunlight is attenuated by dark glasses, and X-rays are attenuated by lead.In ADSL the signal is attenuated by length of copper lines. Attenuation is normally directly linked to the length of your line. Copper is traditionally used in the local loop and the higher gauge of copper will give the best signal, however some lines may have some aluminium or aluminium joints on the line which will increase resistance... as will oxidization of joints. Attenuation is mesured in db or noise. The more noise the weaker the data signal
In general, lower Attenuation is better; the signal is 'stronger'.
Heres is my table of comparisons
SNR:
6dB or below is very bad and will experience no synch or intermittent synch problems
7dB-10dB is fair but does not leave much room for variances in conditions
11dB-20dB is good with little or no sync problems
20dB-28dB is excellent
29dB or above is outstanding
Attenuation:
20dB and below is outstanding
20dB-30dB is excellent
30dB-40dB is very good
40dB-50dB is good
50dB-60dB is poor and may experience connectivity issues
60dB or above is bad and will experience connectivity issues
The following guide (distance vs. attenuation vs speed) gives you an guestimate what you can achieve:
<1km should be 23-24Mbit (nice speed, but doesn't it bug you that Telkom people walk through your bedroom?)
1.0km = 13.81dB = 23Mbit
1.5km = 20.7dB = 21Mbit
2.0km = 27.6dB = 18Mbit
2.5km = 34.5dB = 13Mbit
3.0km = 41.4dB = 8Mbit
3.5km = 48.3dB = 6Mbit
4.0km = 56dB = 4Mbit
4.5km = 62.1dB = 3Mbit
5.0km = 69dB = 2Mbit
>5.0km (you are pretty much poked --- sorry for you)
SNR Margin: 34.2 | 22.8 db
Line Attenuation: 26.3 | 13.4 db
Data Rate: 4351| 575 kbps
Mchanla mage 4Mbps wage ganak thama enne..but web family eka tynne..meka hdagnna pluwan weida mchan
Line Attenuation: 26.3 | 13.4 db
Data Rate: 4351| 575 kbps
Mchanla mage 4Mbps wage ganak thama enne..but web family eka tynne..meka hdagnna pluwan weida mchan
