Tiscali Fibra FTTC primi test

Ram · 2019-10-25T20:55:21+00:00

Ciao a tutti, oggi mi hanno attivato l' ultrafibra Tiscali FTTC ( fino a 200 Mb ), ho collegato il router Zyxel che mi e' arrivato e pare che la linea si sia...

Hadx

Vi metto in allegato un Hlog parziale estratto dai dati di attenuazione disponibili (è bellissimo, lo so).

In verde ci sono le bande di upstream;
In rosso quelle di downstream.

Le parti non tratteggiate sono quelle della linea dell'utente, le parti tratteggiate quelle di una linea normale, ma lunga (oltre 500 metri, anch'essa in 35b)*.
*Le due linee sono su scale diverse, tenendo comunque conto delle rispettive proporzioni.

Potate notare subito la linearità e progressività all'aumentare della frequenza delle linee tratteggiate, comparate alle linee non tratteggiate della linea dell'utente assolutamente random.

Giusto un paio di considerazioni, senza comunque spiegare il grafico che penso parli da se:
• nella linea dell'utente manca completamente la US3, pur essendoci la DS3 e pur non essendo la linea così lunga;
• la US0 è maggiore di qualunque altra banda di frequenze, cosa ovviamente non possibile e che suggerisce senza possibilità di replica un qualche tipo di problema sulla tratta.
Potrebbe essere legato ad una derivata, ma realisticamente una derivata esterna non provoca mai questo tipo di valori.

Ad ogni modo, visto che vedo che l'utente ha un Fritz!, chiederei all'utente di fornirci il log avanzato in cui dovrebbero essere presenti i dati Hlog grezzi per poter mettere giù un grafico più preciso, e soprattutto completo, della linea.

x_term

Hadx è bellissimo, lo so

Noi l'arte la si apprezza. 🤣

Ram

Hadx Grazie mille !! Questa sera cerco il Log del Fritz e ve lo posto. Questi dati "Hlog" sono in una sezione particolare... li trovo nei Log standard del Router ?

Ram

andreagdipaolo Grazie. Io sono in Via Galileo Galilei - Carpi ( Modena ) ( Croce rossa ) . Invece l' Armadio TIM fotografato sta alla fine di via Lugli ( Croce azzurra ). So per certo che da quell'armadio passano due "cavi" sottoterra, di cui uno serve la mia via ( detto da un tecnico TIM che ad inizio anno scorso aveva fatto lavori nei tombini Telecom sotto l'armadio ), l'altro nella via parallela. I tecnici che lavoravano mi parlarono di problemi di infiltrazioni di acqua, infatti per circa 3 mesi ci furono disconnessioni continue della linea, anche ogni 40 minuti, fu un macello. Poi tutto si sistemo', non aprii nemmeno una chiamata a Tiscali, tanto vedevo che stava gia' lavorandoci la TIM.

macro

Ram
devi creare un file di diagnostica (occhio che riporta molte info che è meglio non pubblicare in toto) sarebbe meglio farlo con una connessione che è su da diversi giorni.

vedi questi thread qui:
https://forum.fibra.click/d/3948-statistiche-avanzate-fritz

e un paio di casi singoli:
https://forum.fibra.click/d/3919-qualit-nuova-linea-tim
https://forum.fibra.click/d/3877-improvviso-calo-di-velocita

se ci sono ancora derivate, le dovresti trovare cercando Bridgetaps (se nelle varie righe indica no found, allora non ce ne sono)

si trovano anche dati RAW per il grafico HLOG, solo deve essere rapportato su grafico.

col 7530, dovresti anche provare ad aggiornare il firmware all'ultimo e vedere come si comporta (dovresti avvicinarti a quanto fa lo Zyxel), che ha la parte dsl più aggiornata (che non significa migliore, o almeno non per tutti) ma che si comporta comunque diversamente. e crere il file di diagnostica anche con questo e vedere se ci sono differenze.

Ma se il problema sta nella tratta ripartilinea-chiostrina, mi sa che più di così non si può ottenere da soli, e la sostituzione del multicoppia non la fanno praticamente mai, e un cambio coppia dipende solo se a livello di chiostrina ce ne sono di libere.

Ram

macro Ho estratto i dati, per quanto riguarda Bridgetaps ho trovato questo :

Questo significa che in casa il mio doppino presenta ancora delle derivazioni, oppure che possono essere quelle esterne ?
A me pare di aver guardato a modo al mio piano ed a quello sotto, e di non aver trovato nulla...
Non ho pero' aperto la scatola in Garage dove arrivano i fili dall'esterno, anche perche' al piano terra non ci sono prese telefoniche...

Ram

Non ci crederete, ma sono riuscito ad individuare la chiostrina Telecom , almeno direi sia lei.
Questa sera ho fatto la via a piedi guardando in alto ed ho trovato una piccola scatolina appesa al muro del vicino, da cui escono alcuni cavi che si infilano nel mio garage.
A fianco della scatolina c'e' un etichetta gialla con numeri in nero . Ho fatto la foto anche se c'era parecchio buio, comunque si leggono 2 trattini dopo i numeri :

Questa e' quella del vicino prima :

A questo punto immagino di essere sicuramente su una derivata... non so se queste installazioni siano messe bene o male a livello di manutenzione, sono attaccate ai muri delle case, esposte alle intemperie.

Ram

Rispetto a ieri, i valori della linea si sono abbassati, come accaduto la scorsa settimana :

Ram

Nella sezione Log del 7530 rilevo questo messaggio , non so quanto sia attendibile :

Sulla linea DSL è stata rilevata un'interferenza del segnale dovuta a un cablaggio non corretto. Verificate se ci sono deviazioni o piu' distribuzioni sulla vostra linea. La deviazione ha una lunghezza di 20 metri. Questa deviazione provoca una perdita di circa 25920 kbit/s.

x_term

Ram la derivazione potrebbe essere quella esterna... comunque in quei dati trovi una sezione "HLOG", quella con Excel ti fa vedere il grafico

Ram

x_term
Intendi questi ?

HLOG DS Array: -963,-963,-206,-178,-154,-133,-117,-106,-97,-92,-113,-155,-142,-129,-122,-116,-111,-103,-95,-87,-79,-80,-94,-116,-133,-145,-157,-168,-178,-189,-201,-212,-238,-267,-274,-242,-212,-199,-190,-179,-167,-155,-143,-134,-127,-124,-122,-112,-99,-92,-91,-94,-101,-108,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-115,-115,-114,-113,-113,-114,-115,-116,-118,-121,-126,-137,-150,-162,-166,-167,-166,-167,-167,-167,-168,-169,-173,-180,-197,-223,-257,-289,-302,-287,-259,-232,-205,-184,-167,-155,-148,-147,-147,-149,-152,-154,-154,-150,-146,-139,-135,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-213,-209,-207,-207,-208,-209,-210,-210,-209,-206,-201,-195,-189,-184,-180,-178,-177,-176,-175,-172,-170,-168,-167,-166,-168,-170,-174,-179,-184,-189,-193,-196,-198,-199,-200,-202,-206,-213,-223,-237,-251,-264,-273,-273,-263,-246,-228,-210,-194,-181,-171,-165,-162,-160,-161,-162,-163,-162,-160,-157,-153,-149,-145,-142,-140,-138,-138,-139,-140,-141,-144,-146,-147,-148,-146,-145,-143,-142,-141,-141,-141,-142,-143,-145,-147,-149,-151,-153,-153,-154,-155,-155,-156,-157,-158,-161,-164,-167,-169,-172,-175,-178,-182,-187,-193,-201,-209,-219,-228,-239,-248,-257,-264,-268,-268,-262,-256,-249,-242,-236,-230,-224,-216,-207,-199,-190,-184,-179,-175,-174,-175,-176,-179,-183,-186,-187,-187,-185,-182,-178,-175,-173,-173,-174,-175,-178,-181,-185,-188,-188,-188,-186,-184,-183,-182,-183,-184,-186,-189,-193,-196,-198,-200,-200,-201,-202,-203,-205,-208,-213,-218,-222,-226,-229,-232,-235,-237,-243,-249,-258,-268,-278,-290,-301,-306,-307,-301,-292,-281,-270,-261,-254,-249,-246,-243,-241,-239,-238,-237,-236,-233,-230,-227,-224,-223,-223,-223,-224,-225,-226,-228,-228,-229,-229,-229,-229,-229,-229,-230,-231,-232,-232,-232,-231,-230,-228,-227,-225,-225,-225,-226,-227,-230,-228,-229,-230,-230,-228,-227,-227,-225,-223,-228,-231,-232,-236,-240,-241,-245,-246,-248,-249,-255,-256,-257,-264,-269,-266,-267,-268,-269,-265,-267,-265,-264,-265,-261,-261,-262,-263,-262,-266,-266,-265,-264,-264,-267,-265,-264,-263,-262,-264,-260,-263,-262,-264,-264,-265,-265,-262,-257,-253,-255,-252,-250,-249,-247,-250,-250,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963
HLOG US Array: -963,-137,-186,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-91,-86,-81,-78,-77,-76,-79,-80,-82,-80,-84,-84,-82,-79,-79,-80,-80,-83,-87,-94,-98,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-110,-108,-105,-103,-105,-105,-108,-109,-110,-108,-111,-107,-102,-102,-105,-104,-107,-106,-105,-101,-105,-107,-109,-108,-106,-117,-120,-119,-131,-136,-131,-132,-963,-140,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963,-963

QLN Array: -1505,-1505,-1505,-1505,-1505,-1085,-1080,-1090,-1060,-1060,-1045,-1080,-1100,-1100,-1105,-1120,-1140,-1155,-1190,-1195,-1200,-1195,-1180,-1215,-1225,-1250,-1260,-1270,-1285,-1265,-1295,-1265,-1140,-1035,-995,-985,-970,-970,-985,-985,-980,-975,-980,-950,-970,-960,-955,-970,-960,-960,-945,-960,-965,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-935,-935,-930,-935,-940,-960,-955,-945,-945,-945,-930,-925,-910,-960,-940,-945,-965,-975,-985,-975,-980,-990,-985,-970,-975,-995,-985,-980,-980,-990,-980,-995,-980,-975,-950,-960,-950,-960,-970,-975,-975,-990,-975,-990,-975,-980,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-955,-950,-955,-945,-960,-960,-985,-975,-980,-965,-975,-955,-950,-960,-945,-960,-960,-960,-960,-960,-955,-955,-970,-955,-955,-965,-970,-975,-975,-980,-985,-975,-980,-995,-1000,-990,-995,-1015,-1030,-1025,-1050,-1075,-1060,-1075,-1070,-1065,-1050,-1035,-1025,-1005,-1010,-1080,-1060,-1020,-1020,-1020,-1030,-1015,-1005,-1020,-1005,-1010,-1020,-1030,-1030,-1035,-1040,-1040,-1050,-1045,-1055,-1045,-1050,-1050,-1065,-1070,-1080,-1095,-1065,-1065,-1070,-1075,-1055,-1045,-1030,-1055,-1035,-1025,-1035,-1065,-1050,-1070,-1065,-1065,-1080,-1095,-1100,-1085,-1095,-1125,-1115,-1120,-1110,-1120,-1135,-1140,-1135,-1145,-1160,-1165,-1165,-1165,-1155,-1150,-1150,-1145,-1125,-1130,-1130,-1130,-1120,-1120,-1115,-1110,-1095,-1090,-1080,-1090,-1065,-1055,-1055,-1070,-1040,-1060,-1055,-1060,-1070,-1095,-1080,-1090,-1075,-1070,-1050,-1050,-1065,-1040,-1050,-1065,-1060,-1070,-1055,-1075,-1085,-1065,-1075,-1070,-1055,-1065,-1045,-1045,-1025,-1025,-1035,-1025,-1025,-1035,-1035,-1040,-1035,-1040,-1055,-1045,-1055,-1035,-1045,-1070,-1060,-1075,-1095,-1110,-1115,-1110,-1105,-1100,-1095,-1085,-1065,-1075,-1070,-1075,-1065,-1065,-1075,-1070,-1055,-1070,-1070,-1070,-1050,-1065,-1055,-1045,-1045,-1040,-1050,-1060,-1065,-1055,-1085,-1075,-1065,-1105,-1095,-1090,-1085,-1090,-1085,-1090,-1105,-1085,-1105,-1085,-1090,-1090,-1080,-1095,-1080,-1085,-1095,-1080,-1105,-1265,-1275,-1275,-1270,-1270,-1270,-1280,-1280,-1285,-1285,-1295,-1300,-1290,-1295,-1300,-1305,-1325,-1320,-1335,-1335,-1325,-1325,-1320,-1315,-1320,-1320,-1315,-1315,-1330,-1325,-1315,-1305,-1300,-1315,-1305,-1305,-1305,-1310,-1310,-1310,-1290,-1295,-1300,-1290,-1290,-1290,-1280,-1300,-1290,-1300,-1290,-1285,-1295,-1290,-1280,-1295,-1285,-1290,-1290,-1285,-1280,-1265,-1285,-1275,-1285,-1290,-1280,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505,-1505

Detected RFI Array: 0,0,0,0

US Bands: 54,75,123,164
DS Bands: 2,53,76,122,203,502

HLOG fit

Parameter a (1/GHz^1/2): -62740
Parameter b (1/GHz): 4998
Fit deviation: 37
Global deviation: 63

Ram

Questi sono alcuni speed test che ho provato a fare col 7530, a parte che mi identifica sempre come provenienza Milano ( anche Google Maps ) quando sono di Modena..

Apparentemente sembra andare come una 100 MB...

Hadx

Ram @macro Non ho accesso ad un PC, riesci a metterli sotto forma di grafico?

andreagdipaolo

Beh, abbiamo una doppia derivata...
Comunque tutte le linee Fastweb del Nord sono licalizzate a Milano e quelle del centro-Sud a Roma.

Ram

andreagdipaolo Ehm... quindi non e' cosa buona immagino... 🙂 e non si puo' fare nulla, giusto ?

Ram

Hadx Scusa, non ho capito, cosa dovrei fare esattamente per crearti un grafico ?

Hadx

Ram No tu non devi fare nulla, ho chiesto a Macro se riesce a mettere i dati sotto forma di grafico perché, almeno per tutto oggi, non ho accesso a un PC.

Ram

Hadx Ah, ok scusa !

macro

viene fuori una cosa del genere

x_term

macro ma sentite, questa proprio non la so fare. Non è che si potrebbe mettere insieme grossolanamente un articolo che spiega come costruire il grafico partendo dai file?

Hadx

x_term Sì si può fare, se trovo un buco stasera butto giù qualcosa.

macro

x_term
chi ha un AVM dovrebbe tempestarli di richieste di implementazione di più statistiche e grafici.

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