Hızım önce kademeli düştü, sonra komple gitti

Merhaba, buyrun. SNR hat zayıflama değerlerinde 75 kullanım dönemiyle şimdiki arasında bir fark yok. Değerler çok çok çok büyük oranda aynı.

xDSLFwVersion:      FwVer:5.12.12.0_B_A60901 HwVer:T14.F7_0.0
   Line State:      Up
   Modulation:      ITU G.993.2(VDSL2)
   Annex Mode:      ANNEX_B

=============================================================================
INP downstream: 9031
INP upstream: 14917
shineGINPdownstream: 0
shineGINPupstream: 0
reinGINPdownstream: 0
reinGINPupstream: 0

TPSTC type: 64/65B PTM TC

near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 42012 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 8192 kbps

near-end FEC error fast: 77508
near-end FEC error interleaved: 0
near-end CRC error fast: 1446
near-end CRC error interleaved: 0
near-end HEC error fast: 0
near-end HEC error interleaved: 0
far-end FEC error fast: 1090
far-end FEC error interleaved: 0
far-end CRC error fast: 58
far-end CRC error interleaved: 0
far-end HEC error fast: 0
far-end HEC error interleaved: 0
DSL uptime : 6:35, 48 secs
DSL activetime :0 min, 21 secs

Downstream:
relative capacity occupation: 100%
noise margin downstream: 8.0 dB
output power upstream: 7.4 dbm
attenuation downstream: 7.0 dB

Upstream:
relative capacity occupation: 100%
noise margin upstream: 15.7 dB
output power downstream: 14.1 dbm
attenuation upstream: 0.1 dB

Bit table:
carrier load: number of bits per tone
tone 0- 31: 00 00 00 00 00 00 22 22 34 45 55 55 55 55 55 55
tone 32- 63: 00 99 99 9a a9 a9 99 99 9a aa aa aa 99 98 88 88
tone 64- 95: 89 99 99 98 88 88 98 99 89 99 99 99 99 89 99 99
tone 96-127: 99 99 99 99 99 98 99 99 99 99 99 99 88 88 77 88
tone 128-159: 88 87 87 87 77 88 88 88 78 78 77 78 88 88 87 77
tone 160-191: 77 77 77 77 77 77 77 77 77 76 77 77 77 77 77 77
tone 192-223: 76 66 67 88 88 87 88 77 77 88 77 77 77 77 87 77
tone 224-255: 77 77 78 78 77 77 77 88 87 77 78 88 87 88 89 99