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Вопрос по adsl

Подскажите, из-за чего может быть такой низкий down SNR:

 

Max:    Upstream rate = 1218 Kbps, Downstream rate = 23778 Kbps
Bearer: 0, Upstream rate = 1031 Kbps, Downstream rate = 20489 Kbps

Link Power State:       L0
Mode:                   ADSL2+
TPS-TC:                 ATM Mode
Trellis:                U:OFF /D:OFF
Line Status:            No Defect
Training Status:        Showtime
               Down            Up
SNR (dB):        2.6             12.0
Attn(dB):        10.0            5.4
Pwr(dBm):        17.4            12.3

 

провал на 61 тоне - это пилотный сигнал.

Расстояние до АТС меньше 1 КМ, на соседней паре висит еще 1 модем и на этой паре проблем нету.

post-57951-091215800 1447612162_thumb.png

Edited by Jaguar77

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