doc:appunti:net:adsl
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doc:appunti:net:adsl [2012/05/25 12:03] – [Qualità del segnale] niccolo | doc:appunti:net:adsl [2012/05/25 12:12] (current) – [Qualità del segnale] niccolo | ||
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===== Qualità del segnale ===== | ===== Qualità del segnale ===== | ||
- | Il **SNR Margin in Downstream** (oppure Signal to Noise in DownStream o DS Margin in Downstream, a seconda dell' | + | Due sono i parametri fondamentali: |
- | La voce **Line Attenuation in Downstream**: | + | - **SNR Margin in Downstream** (oppure Signal to Noise in DownStream o DS Margin in Downstream, a seconda dell' |
+ | - **Line Attenuation in Downstream**: | ||
+ | |||
+ | Ecco una spiegazione più dettagliata presa da [[http:// | ||
^ Relative Capacity Occupation | ^ Relative Capacity Occupation | ||
^ Noise Margin (AKA Signal to Noise Ratio) | ^ Noise Margin (AKA Signal to Noise Ratio) | ||
- | ^ Line Attenuation | ||
^ Output Power | How much power modem (upstream) or DSLAM (downstream) is using. Maximum recommended is about 15dB. The lower the power the better for this measurement. | | ^ Output Power | How much power modem (upstream) or DSLAM (downstream) is using. Maximum recommended is about 15dB. The lower the power the better for this measurement. | | ||
+ | ^ Line Attenuation | ||
+ |
doc/appunti/net/adsl.1337940212.txt.gz · Last modified: 2012/05/25 12:03 by niccolo