im hoping by starting this i could ask for some help in which state to leave my router in.
previous to BT coming out to fix a phone fault i was getting this.
Status: Cable connected
Line mode: G.992.3 (ADSL2)
Maximum line rate: 1019 kbps (downstream) / 285 kbps (upstream)
Noise margin: 19 dB (downstream) / 19 dB (upstream)
Line attenuation: 44 dB (downstream) / 40 dB (upstream)
Output power: 16 dBm (downstream) / 11 dBm (upstream)
then after the fault being fixed im now getting
Status: Cable connected
Line mode: G.992.3 (ADSL2)
Maximum line rate: 1019 kbps (downstream) / 285 kbps (upstream)
Noise margin: 31 dB (downstream) / 4294967281 dB (upstream)
Line attenuation: 29 dB (downstream) / 16 dB (upstream)
Output power: 17 dBm (downstream) / 11 dBm (upstream)
thats a huge difference in attenuation but my upstream noise margin has dropped through the floor. (with that ridiculous figure meaning a value between 0db and 1db. (or so i've read))
im already on a 1 meg profile thanks to DLM the first time which is when i found the phone fault, surely with 0db noise margin on my upstream soon i'll be getting asked to supply broadband to Orange once dlm kicks in again.
i have tried connecting via g.dmt and the upstream noise margin changes drastically
Status: Cable connected
Line mode: G.992.1 (G.DMT)
Maximum line rate: 1024 kbps (downstream) / 288 kbps (upstream)
Noise margin: 31 dB (downstream) / 31 dB (upstream)
Line attenuation: 30 dB (downstream) / 16 dB (upstream)
Output power: 12 dBm (downstream) / 11 dBm (upstream)
is that now an acceptable level for my stats? im happy to leave it on G.DMT as im only after a stable connection of around 2-3 meg. if i leave it on this setting will dlm read my line and see that it is more than stable enough and increase my profile? or would that see a return to ADSL2 and that 0db figure and me being back where i started?
i do have a livebox which was replaced during the PPP server down days with the siemens im using now. i could try that but i really dont think i should be doing as much troubleshooting as i am in light of other posts... i just want to find a setting and leave it.
i do have a livebox which was replaced during the PPP server down days with the siemens im using now. i could try that but i really dont think i should be doing as much troubleshooting as i am
First off.....if you don't do it, who will ?.....Orange ?.....dream on !!
Can you post more of the router stats which shows the errors eg FEC, CRC, HEC, Error Seconds, Loss of Framing, Loss of Signal etc. From these it may be possible to tell if the upstream SNRM reported is a router firmware glitch or not.....I'm pretty convinced it is and you can prove it by changing router.
I know. there's no chance Orange will but i dont want to pee off DLM too much. although it already dis likes me. (see what i did there? )
i shall post the stats when i get home, although im not sure the siemens shows much other data than that. i cannot find a firmware update for it on siemens official site or anywhere else to be honest.
im tempted to switch back to my live box as that auto defaulted to g.dmt when connecting although the siemens defaults with ADSL2 and causes that 0-1 db figure.
when i get home i shall have a search around the router to see if i can find more stats.
with a 0db upstream noise margin on a restricted 288 upload i cannot see that i can support adsl2 at all at the moment. although i could be wrong.
Just as i thought, the siemens router doesnt show any extra stats. is there any where else i can find these out from?
i do have the livebox but i dont think the livebox allows you to change your connection type like the siemens from g.dmt to adsl2. when i tried the livebox it defaulted to g.dmt so i wont be able to rule out the ridiculous upstream value (0-1db) if i cant force my livebox to connect via adsl2 and see what the upstream shows. if i remember rightly you only see one set of values (downstream) on the livebox anyway.
am i right that upstream noise margin is from the router back to the exchange? if it was an issue with the line surely i'd have problems both ways? the only other thing i can think is that something on its way out of my property is causing the noise.
with the g.dmt connection having noise margins of 31 on both sides currently doesnt that mean that there is a lot of room to increase my speed and see those values down around 6db? or am i getting things completely wrong?
this one meg profile hasnt moved since BT fixed the phone fault on tuesday which i expect it would of with the attenuation halving.
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