Caros, estou curioso, li que ao aumentar a velocidade geralmente o SNR tende a cair, qual seria um valor "usavel" para 14Mb ?
Estou colocando os status do modem (wag200G) com firmware 1.01.06-woytekm09 (01) com dados da conexão de 8M anterior e da atual de 14 Mb, usando moduções diferentes (ate porque em função da latência ate outro dia vinha mantendo meu modem em G.dmt)
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----------------G.dmt
DSL Status: Connected
DSL Modulation Mode: G.dmt
DSL Path Mode: Interleaved
Downstream Rate: 8160 kbps
Upstream Rate: 416 kbps
Downstream Margin: 15 db
Upstream Margin: 22 db
Downstream Line Attenuation: 33 db
Upstream Line Attenuation: 9 db
Downstream Transmit Power: 12 db
Upstream Transmit Power: 18 db
----------------G.lite
DSL Status: Connected
DSL Modulation Mode: G.lite
DSL Path Mode: Interleaved
Downstream Rate: 4768 kbps
Upstream Rate: 416 kbps
Downstream Margin: 6 db
Upstream Margin: 20 db
Downstream Line Attenuation: 31 db
Upstream Line Attenuation: 9 db
Downstream Transmit Power: 12 db
Upstream Transmit Power: 16 db
----------------ADSL2
DSL Status: Connected
DSL Modulation Mode: ADSL2
DSL Path Mode: Interleaved
Downstream Rate: 8189 kbps
Upstream Rate: 414 kbps
Downstream Margin: 9 db
Upstream Margin: 32 db
Downstream Line Attenuation: 35 db
Upstream Line Attenuation: 9 db
Downstream Transmit Power: 11 db
Upstream Transmit Power: 19 db
----------------ADSL2+
DSL Status: Connected
DSL Modulation Mode: ADSL2+
DSL Path Mode: Interleaved
Downstream Rate: 8189 kbps
Upstream Rate: 414 kbps
Downstream Margin: 23db
Upstream Margin: 32 db
Downstream Line Attenuation: 34 db
Upstream Line Attenuation: 9 db
Downstream Transmit Power: 11 db
Upstream Transmit Power: 22 db
----------------ADSL2+ (fast)
DSL Status: Connected
DSL Modulation Mode: ADSL2+
DSL Path Mode: Fast
Downstream Rate: 8189 kbps
Upstream Rate: 414 kbps
Downstream Margin: 15 db
Upstream Margin: 32 db
Downstream Line Attenuation: 33 db
Upstream Line Attenuation: 8.5 db
Downstream Transmit Power: 11 db
Upstream Transmit Power: 22 db
----------------
DSL Status: Connected
DSL Modulation Mode: ADSL2+
DSL Path Mode: Fast
Downstream Rate: 14330 kbps
Upstream Rate: 1022 kbps
Downstream Margin: 5 db
Upstream Margin: 12 db
Downstream Line Attenuation: 34 db
Upstream Line Attenuation: 9 db
Downstream Transmit Power: 12 db
Upstream Transmit Power: 22 db
=====================
Na verdade a conexão esta estavel, mas estou particularmente incomodado com o SNR (Downstream Margin) que alem de tem "despencado" esta oscilando eventualmente chegando a valores negativos mas se mantendo estavel na faixa de 4 a 5 DB.
O cabeamento interno é todo com cabos cat5, filtros BPS ok.
Alguma recomendação ?
Em anexo imagem do "agora"
Obrigado a todos.