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Cea mai buna linie ADSL

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412 replies to this topic

#1
gelu_dh

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Daca doriti propun un topic despre parametrii  ADSL ai userilor acestui site. Propun cateva criterii

1. Tipul de modem folosit
2. Tipul de abonament
3. Locatia

Incep cu parametrii mei

1. Tipul de modem folosit-EDIMAX 7084
2. Tipul de abonament - 6 mb
3. Locatia-DOROHOI-BOTOSANI
4.Parametrii liniei

ADSL Firmware Version  : FwVer:3.7.6.1_A_TC3085 HwVer:T14.F7_3.0  
   Line State  : Showtime  
   Modulation  : ADSL2 PLUS  
   Annex Mode  : ANNEX_A  
  
   Downstream  Upstream    
  SNR Margin  : 27.7     25.8  db
  Line Attenuation  : 4.6    7.-9  db
  Data Rate  : 6144    509  kbps

Parametrii ideali ar fi

PArametri ideali
Atenuare 0dB
SNR peste 30

Parametrii buni sunt:
Atenuare pana la 30dB
SNR peste 20.

Parametrii slabi:
Atenuare peste 30dB
SNR sub 10

Edited by gelu_dh, 14 July 2009 - 13:54.


#2
soft0811

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View Postgelu_dh, on 14th July 2009, 14:53, said:

Daca doriti propun un topic despre parametrii  ADSL ai userilor acestui site. Propun cateva criterii

1. Tipul de modem folosit
2. Tipul de abonament
3. Locatia
As adauga (in caz ca se cunoaste):
4. Lungimea aproximativa a liniei (pana in DSLAM).

PS Sfat: bolduieste "parametrii ideali", ca sa nu mai intrebe lumea, dupa ce-si posteaza caracteristicile liniei daca sunt ok sau nu...

#3
AirBoy

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Sunt multi factori care influenteaza calitatea liniei, trebuie luat in considerare tipul de conexiune, FAST data path, Interleaved data path, corectiile de eroare difera, alocarea de biti la fel, pe o linie "ideala" poti avea interferente care sa cauzeze erori, FEC nu le poate corecta, pierzi banda, desi in atenuare/SNR nu se reflecta (sunt chestii de moment, de cateva milisecunde). SNR/Atenuare sunt niste parametrii orientativi, care reflecta doar calitatile liniei la nivel general. Sunt multi negrii mititei care alearga pe linie sa ne ofere datele cerute, cu erori cat mai mici :)

#4
Cosconor

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Facusem un mic print-screen anul trecut cu parametrii lineie mele ADSL RTC din mediul rural (Crâmpoia, judetul Olt) :

Attached File  Sans_titre.png   79.29K   452 downloads


:notangel:

#5
morogan

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DSL Type: G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]: 1.020 / 20.471
Data Transferred (Sent/Received) [MB/MB]: 2,79 / 11,37
Output Power (Up/Down) [dBm]: 2,5 / 8,5
Line Attenuation (Up/Down) [dB]: 1,0 / 1,0
SN Margin (Up/Down) [dB]: 31,0 / 29,5
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 9
HEC Errors (Up/Down): 26 / 4

Modem 585 (parca, cel wireless)
distanta exacta pana in DSlam 700m
Braila

Edited by morogan, 14 July 2009 - 23:08.


#6
AirBoy

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View Postmorogan, on 15th July 2009, 00:07, said:

DSL Type: G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]: 1.020 / 20.471
Data Transferred (Sent/Received) [MB/MB]: 2,79 / 11,37
Output Power (Up/Down) [dBm]: 2,5 / 8,5
Line Attenuation (Up/Down) [dB]: 1,0 / 1,0
SN Margin (Up/Down) [dB]: 31,0 / 29,5
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 9
HEC Errors (Up/Down): 26 / 4

Modem 585 (parca, cel wireless)
distanta exacta pana in DSlam 700m
Braila

Ce-i acolo la tine? Te-o pus pe cablu argintat si ecranat? Direct pe fibra? :))
Glumeam. Atenuarea foarte buna, se pare ca linia pana in centrala este de foarte buna calitate.

#7
morogan

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Linie noua, directa (aproape :) )

#8
one4win

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ma ajuta si pe mine cineva va rog, cu cateva pareri despre urmatorii parametrii ai liniei:

DSL Status:   Connected
DSL Modulation Mode: G.dmt
DSL Path Mode: Fast
Downstream Rate: 4096 kbps
Upstream Rate: 512 kbps
Downstream Margin: 8 db
Upstream Margin: 15 db
Downstream Line Attenuation: 24 db
Upstream Line Attenuation: 4.5 db
Downstream Transmit Power: 0
Upstream Transmit Power: 0
Cisco Logo
  
PVC Connection

Encapsulation: RFC 2516 PPPoE
Multiplexing: LLC
Qos: UBR
Pcr Rate: 0
Scr Rate: 0
Autodetect: Enable
VPI: 0
VCI: 35
Enable: Yes
PVC Status: Up


P.S.: Modemul este un Linksys WA200G si DSLAM-ul este foarte aproape, la 100 de metrii circa. Eu cred ca parametrii nu sunt prea buni pt ca deseori pica net-ul (poate fi si din cauza modemului). Voi ce parere aveti? Sa schimb cablurile din casa? E doar un cablu prost legat (de uplink sau downlink?). Merci


Ce parametrii ar trebuie sa fie pt o linie de 8 mbit?

Edited by one4win, 15 July 2009 - 16:59.


#9
gelu_dh

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View Postmorogan, on 14th July 2009, 23:07, said:

DSL Type: G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]: 1.020 / 20.471
Data Transferred (Sent/Received) [MB/MB]: 2,79 / 11,37
Output Power (Up/Down) [dBm]: 2,5 / 8,5
Line Attenuation (Up/Down) [dB]: 1,0 / 1,0
SN Margin (Up/Down) [dB]: 31,0 / 29,5
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 9
HEC Errors (Up/Down): 26 / 4

Modem 585 (parca, cel wireless)
distanta exacta pana in DSlam 700m
Braila

Felicitari de asa parametri sant incredibili, cu Line Attenuation (Up/Down) [dB]: 1,0 / 1,0 -inca nu am vazut mai buni pe acest forum

#10
Inginerul

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Uptime: 0 days, 8:20:27
Modulation: G.992.1 annex A
Bandwidth (Up/Down) [kbps/kbps]: 512 / 4.096
Data Transferred (Sent/Received) [KB/KB]: 0,00 / 0,00
Output Power (Up/Down) [dBm]: 11,5 / 12,5
Line Attenuation (Up/Down) [dB]: 15,0 / 25,0
SN Margin (Up/Down) [dB]: 26,0 / 30,5
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 0
HEC Errors (Up/Down): 0 / 0

Cam 2 km fata de DSLAM. Am pus baietii acum 1 an si ceva sa-mi schimbe traseul in cupru pana la stalp. Rezultatele anterioare erau submediocre (la 512kb sau 1M, nu mai stiu).

#11
Romeo_NT

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View Postone4win, on 15th July 2009, 17:55, said:

ma ajuta si pe mine cineva va rog, cu cateva pareri despre urmatorii parametrii ai liniei:

DSL Status:   Connected
DSL Modulation Mode: G.dmt
DSL Path Mode: Fast
Downstream Rate: 4096 kbps
Upstream Rate: 512 kbps
Downstream Margin: 8 db
Upstream Margin: 15 db
Downstream Line Attenuation: 24 db
Upstream Line Attenuation: 4.5 db
Downstream Transmit Power: 0
Upstream Transmit Power: 0
Cisco Logo
  
PVC Connection

Encapsulation: RFC 2516 PPPoE
Multiplexing: LLC
Qos: UBR
Pcr Rate: 0
Scr Rate: 0
Autodetect: Enable
VPI: 0
VCI: 35
Enable: Yes
PVC Status: Up


P.S.: Modemul este un Linksys WA200G si DSLAM-ul este foarte aproape, la 100 de metrii circa. Eu cred ca parametrii nu sunt prea buni pt ca deseori pica net-ul (poate fi si din cauza modemului). Voi ce parere aveti? Sa schimb cablurile din casa? E doar un cablu prost legat (de uplink sau downlink?). Merci


Ce parametrii ar trebuie sa fie pt o linie de 8 mbit?
SNR foarte mic,iar atenuarea e cam mare...
Incearca sa schimbi modulatia.

#12
shteck2k6

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Cred ca la mine nu este prea bine... :huh:
Bucuresti, pe langa "Academia de Lupte Ciprian Sora", in zona str. Ritmului.
Modem. Huawei Echo Life HG510
Abonament 6mbps

Attached Files


Edited by shteck2k6, 15 July 2009 - 18:11.


#13
Romeo_NT

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View Postshteck2k6, on 15th July 2009, 19:06, said:

Cred ca la mine nu este prea bine... :huh:
Bucuresti, pe langa "Academia de Lupte Ciprian Sora", in zona str. Ritmului.
Modem. Huawei Echo Life HG510
Abonament 6mbps
Incearca alta modulatie.
SNR-ul e bun.

#14
shteck2k6

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View PostRomeo_NT, on 15th July 2009, 19:14, said:

Incearca alta modulatie.
SNR-ul e bun.
Nu prea stiu cum sa schimb diversi parametri. Pot strica ceva daca gresesc?

#15
AirBoy

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View Postone4win, on 15th July 2009, 17:55, said:

ma ajuta si pe mine cineva va rog, cu cateva pareri despre urmatorii parametrii ai liniei:

DSL Status:   Connected
DSL Modulation Mode: G.dmt
DSL Path Mode: Fast
Downstream Rate: 4096 kbps
Upstream Rate: 512 kbps
Downstream Margin: 8 db
Upstream Margin: 15 db
Downstream Line Attenuation: 24 db
Upstream Line Attenuation: 4.5 db
Downstream Transmit Power: 0
Upstream Transmit Power: 0
Cisco Logo
  
PVC Connection

Encapsulation: RFC 2516 PPPoE
Multiplexing: LLC
Qos: UBR
Pcr Rate: 0
Scr Rate: 0
Autodetect: Enable
VPI: 0
VCI: 35
Enable: Yes
PVC Status: Up


P.S.: Modemul este un Linksys WA200G si DSLAM-ul este foarte aproape, la 100 de metrii circa. Eu cred ca parametrii nu sunt prea buni pt ca deseori pica net-ul (poate fi si din cauza modemului). Voi ce parere aveti? Sa schimb cablurile din casa? E doar un cablu prost legat (de uplink sau downlink?). Merci


Ce parametrii ar trebuie sa fie pt o linie de 8 mbit?

La WAG200G, schimba modulatia din prima pagina de configurare, incearca toate variantele, vezi care e mai buna.
Bafta!

#16
teqi

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DSL Status: Connected
DSL Modulation Mode: G.dmt
DSL Path Mode: Fast
Downstream Rate: 6144 kbps
Upstream Rate: 512 kbps
Downstream Margin: 13 db
Upstream Margin: 12 db
Downstream Line Attenuation: 23 db
Upstream Line Attenuation: 7 db
Downstream Transmit Power: 16777215 db
Upstream Transmit Power: 7 db
  
    
--------------------------------------------------------------------------------

PVC Connection    
  Encapsulation: RFC 2516 PPPoE
Multiplexing: LLC
Qos: UBR
Pcr Rate: 0
Scr Rate: 0
Autodetect: Enable
VPI: 0
VCI: 35
Enable: Yes
PVC Status: Up

#17
corleone_godfather

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ceva  pareri despre parametrii acestia  ;) ms

Uptime: 0 days, 3:16:43
Modulation: G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]: 509 / 6.143
Data Transferred (Sent/Received) [KB/KB]: 0,00 / 0,00
Output Power (Up/Down) [dBm]: -6,4294967291 / 5,0
Line Attenuation (Up/Down) [dB]: 25,0 / 38,0
SN Margin (Up/Down) [dB]: 12,0 / 16,0
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 2 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 40 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 295 / 5.863
HEC Errors (Up/Down): 1.001 / 2.254

#18
laurentiuvaduva

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View Postmorogan, on 15th July 2009, 00:07, said:

DSL Type: G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]: 1.020 / 20.471
Data Transferred (Sent/Received) [MB/MB]: 2,79 / 11,37
Output Power (Up/Down) [dBm]: 2,5 / 8,5
Line Attenuation (Up/Down) [dB]: 1,0 / 1,0
SN Margin (Up/Down) [dB]: 31,0 / 29,5
Vendor ID (Local/Remote): TMMB / BDCM
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 9
HEC Errors (Up/Down): 26 / 4

Modem 585 (parca, cel wireless)
distanta exacta pana in DSlam 700m
Braila
Pune si tu un printscreen.

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