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Author Topic: Question about filters & faceplates  (Read 40608 times)

snadge

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  • Posts: 1299
Re: Question about filters & faceplates
« Reply #105 on: August 05, 2013, 11:03:12 PM »

 ;D great too hear... im sure you will get 19Mb-24Mb
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Zyxel VMG8924-B10A <-> PlusNET <-> Eci DSLAM
Sync: 64,000k <-> INP: ON <-> FTTP available :) 900Mbps +5G EE Mobile

neilius

  • Reg Member
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  • Posts: 100
Re: Question about filters & faceplates
« Reply #106 on: August 08, 2013, 06:01:28 AM »

Resynched a couple of hours ago, now on a 9dB profile:

Code: [Select]
Upstream line rate (kbit/s) 989
Downstream line rate (kbit/s) 17342
Line standard ADSL2+
Channel type
Interleaved
Upstream SNR (dB)  9.7
Downstream SNR (dB)  9.1
Upstream line attenuation (dB) 6.9
Downstream line attenuation (dB) 13
Upstream output power (dBmV) 10.5
Downstream output power (dBmV) 0
Upstream CRC 0
Downstream CRC 0
Upstream FEC 108
Downstream FEC 0

One step away from 6dB...  >:D
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neilius

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  • Posts: 100
Re: Question about filters & faceplates
« Reply #107 on: August 09, 2013, 06:51:12 AM »

Woke up to a nice surprise this morning - came a couple of days earlier than expected (assumed at least 50 hours between changes with TT's DLM):

Code: [Select]
Upstream line rate (kbit/s) 1020
Downstream line rate (kbit/s) 19367
Line standard ADSL2+
Channel type
Interleaved
Upstream SNR (dB)  9.4
Downstream SNR (dB)  6
Upstream line attenuation (dB) 6.9
Downstream line attenuation (dB) 13
Upstream output power (dBmV) 11.5
Downstream output power (dBmV) 0
Upstream CRC 0
Downstream CRC 0
Upstream FEC 3464
Downstream FEC 0

That's after 2 hours, only some FEC errors on the upstream if the router (HG533) is not lying.

Rock and roll!  :congrats:
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snadge

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  • Posts: 1299
Re: Question about filters & faceplates
« Reply #108 on: August 09, 2013, 09:26:10 PM »

yep - similar to what my dad and sis used to get but since then both seem to range between 17-18Mb between reboots for some strange reason? - also, like them you should be getting much more than that on a 12db line, you should be getting 23-24Mb, I get 18Mb on a 26db line on sky
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Zyxel VMG8924-B10A <-> PlusNET <-> Eci DSLAM
Sync: 64,000k <-> INP: ON <-> FTTP available :) 900Mbps +5G EE Mobile

neilius

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  • Posts: 100
Re: Question about filters & faceplates
« Reply #109 on: August 09, 2013, 10:10:54 PM »

Hmm a bit weird. Would like to see a bit loading graph for this line but the router won't allow that... Been up 17 hours now, no downstream FEC or CRC errors at all. Lots of upstream FECs (33000) and only 7 CRCs, assuming you can trust what the router reports for upstream. 7 error seconds in the space of that time. SNR is bang on 6dB, same as this morning and hasn't budged during a few refreshes I've tried. Seems a damn good line error wise IMO, maybe TT's equipment just doesn't get those higher speeds or something. I do feel spoiled though, only ever previously experiencing nothing over 7-8mb in places I've lived.
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snadge

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  • Posts: 1299
Re: Question about filters & faceplates
« Reply #110 on: August 09, 2013, 11:20:16 PM »

my dads and sisters show no noise ingress on SNR - perfectly clean, and lines that short usually are - I know you can set fastpath configs etc via the forum
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Zyxel VMG8924-B10A <-> PlusNET <-> Eci DSLAM
Sync: 64,000k <-> INP: ON <-> FTTP available :) 900Mbps +5G EE Mobile

neilius

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  • Posts: 100
Re: Question about filters & faceplates
« Reply #111 on: September 01, 2013, 07:09:51 AM »

Update for snadge:

Had a couple of resynchs in the last week due to power cuts (our area of Essex was flooded badly last Saturday). Uptime was over 400 hours before that. No change in sync speed at all, still 19.4mb and SNR Margin remains at a steady 6dB, sometimes dropping to 3.5dB at the lowest during the evenings. Very low Error Seconds - currently 3 in 36 hours. Nice! Some detailed (as much as this router allows anyway) stats for the last 36 hours:

Code: [Select]
ADSL up time 1 Days 12:34:31 
Upstream line rate (kbit/s) 1020
Downstream line rate (kbit/s) 19420
Line standard ADSL2+
Channel type
Interleaved
Upstream SNR (dB)  8.6
Downstream SNR (dB)  6
Upstream line attenuation (dB) 6.9
Downstream line attenuation (dB) 13
Upstream output power (dBmV) 10.5
Downstream output power (dBmV) 0
Upstream CRC 3
Downstream CRC 0
Upstream FEC 28251
Downstream FEC 0

Regarding fastpath, with TT, we'll still be on a 6dB profile (the fastest they go up to) with the only difference being no error correction at the DSLAM and no DLM, which I would like to have in case the line develops problems, so we can still have a service, albeit limited. I'd imagine, from my understanding that throughput would be the same but with lower latency/ping times, which I don't really need as nobody plays online games etc here.
« Last Edit: September 01, 2013, 07:17:31 AM by neilius »
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