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What is a good line attenuation for broadband?
The higher the value of this parameter, the lower the line quality and, therefore, the lower the data transfer/receipt speed. Optimal values should be between 5 and 30 dB (excellent or good line). An attenuation value of 45 dB or higher means that the line is not suitable for ADSL.
What is good line attenuation for VDSL?
The attenuation depends on the length of cable between the VDSL modem and DSLAM. The higher the value of this parameter, the lower the line quality and therefore, the lower the transmit/receive rate. Optimal values should be between 5 dB and 30 dB (for excellent and good line).
What is broadband attenuation?
Attenuation is a loss of signal strength measured in dB that reduces a connection’s maximum speed available due to the need for multiple repeat transmissions.
How do you fix line attenuation?
How to Reduce Line Attenuation For DSL
- Change the network and connection cables running from your cable to your modem.
- Switch the cables running from your modem to the main source of power in the building you are in.
- Find the phone jack where your modem connects to the phone line in your building.
What is a good line attenuation and noise margin?
Below 10dB is very bad and more than 20dB is good. At higher ratios, more speed can be achieved and lower ratios mean error-prone cable and lower speeds. The SNR margin is the difference between the SNR of the cable and the SNR needed to get an specific speed.
How do I check my router SNR?
To view the SNR directly on a client device, simply open a web browser on that device and navigate to ap.meraki.com or my.meraki.com. This will then display the local status page of the access point that the client device is currently connected to.
What do u mean by attenuation?
Attenuation is the loss of signal strength in networking cables or connections. This typically is measured in decibels (dB) or voltage and can occur due to a variety of factors. When measuring attenuation in a wired network, the greater the signal strength over a long distance, the more effective the cable is.
What is considered good DSL line attenuation?
What is considered good DSL line attenuation ? Line loss (dB) Line length (km) 1 0.07 2 0.15 3 0.22 4 0.29
Why is line attenuation higher on FTTC than ADSL?
The router shows it connecting at 55/10 Mbps. My initial question is why is the line attenuation for FTTC connection (10.7dB – shown as a single value on the Hub 6 A) significanty higher than that measured during the old ADSL connection (4.9/3.0 dB D/S and U/S)? I am c.100m from the cabinet, which sits just outside the local exchange.
How is line attention related to line attenuation?
Line Attenuation. Line attention is in relation to the “loop loss” on your line. The further you are away from the exchange the higher your attenuation figure will be as the signal loss increases. The lower your attenuation figure the more chance you have of getting the faster speeds.
What should my ” noise margin ” and ” line attenuation ” be?
Ideally your line length should be below 3.5km from the exchange to get a 2Mb connection. At the present time the general public has no way of checking themselves this figure. However, you may be able to get an indication by using Sams checker. Should be at least 10 dB to get adsl – ideally above 12dB.