Ma i da ne guraju to smeće, činjenica je da je puno/većina ljudi na DSL-u i da je šum (attenuacija) linije velika zbog cross-talka između parica, tako da se treba zadovoljiti s tim što se ima.
Imam zapisano stanje od prije par godina, kad sam među prvima dobio ADSL2+ pa sve do početaka VDSL-a i stanja danas... izmjenjalo se modema i modema, jedino što je konstata je degradiranje kvalitete parice (osim degradiranja kvalitete modema)...
Citiraj:
kasda adsl2+
SNR Margin (0.1 dB): 80 143
Attenuation (0.1 dB): 120 61
Output Power (0.1 dBm): 0 129
Attainable Rate (Kbps): 21248 1524
(pušteno 16535/1310)
SX763
Maximum line rate: 19392 kbps (downstream) / 1284 kbps (upstream)
Noise margin: 8.6 dB (downstream) / 8 dB (upstream)
Line attenuation: 10.8 dB (downstream) / 5.6 dB (upstream)
Output power: 16.1 dBm (downstream) / 12.7 dBm (upstream)
ZTE ADSL2+
Actual Rate (Up/Down) 1371/16535 kbps
Attainable Rate (Up/Down) 1372/21032 kbps
Noise Margin (Up/Down) 7.9/10.6 dB
Line Attenuation (Up/Down) 6.5/16 dB
Output Power (Up/Down) 13.2/0 dBm
ZTE VDSL (čim je pušten VDSL, među prvima)
Actual Rate (Up/Down) 16381/55473 kbps
Attainable Rate (Up/Down) 26899/59984 kbps
Noise Margin (Up/Down) 15.5/8.1 dB
Line Attenuation (Up/Down) 28.3/15.4 dB
isti ZTE na istoj parici nakon godinu dana
Actual Rate (Up/Down) 16383/48656 kbps
Attainable Rate (Up/Down) 25168/50360 kbps
Noise Margin (Up/Down) 11.7/7.8 dB
Line Attenuation (Up/Down) 27.7/15 dB
Output Power (Up/Down) 9.5/14.4 dBm
VDSL ZTE 01.09.2016.
Actual Rate (Up/Down) 14293/46223 kbps
Attainable Rate (Up/Down) 17638/48524 kbps
Noise Margin (Up/Down) 9.1/8.1 dB
Line Attenuation (Up/Down) 28.5/15.4 dB
Output Power (Up/Down) 9.4/14.4 dBm
ZTE kraj 2019
Actual Rate(Up/Down) 16383/46601 kbps
Attainable Rate(Up/Down) 23826/48640 kbps
Noise Margin(Up/Down) 10.8/7.1 dB
Line Attenuation(Up/Down) 26.6/21.4 dB
Output Power(Up/Down) 14.1/9.7 dBm
-----------------------
ZTE 23.03.2020
Actual Rate(Up/Down) 8205/46749 kbps
Attainable Rate(Up/Down) 23740/49429 kbps
Noise Margin(Up/Down) 19/8.1 dB
Line Attenuation(Up/Down) 26.4/21.3 dB
Output Power(Up/Down) 14.1/9.7 dBm
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Dakle na VDSL2 je bilo gušenje 15.4dB u downloadu pred 4 godine, sad je na Speedportu preko 40dB... dobro da i radi
