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Standard User Stanman_24
(knowledge is power) Tue 12-Feb-13 17:04:10
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New User here !


[link to this post]
 
Hey guys

Migrated over from O2

noticed the Exchange chipset has changed to a TI TSTC and have lost around 2.5MB downstream

Not too worried as it might just be the DLM

got a 7800n and wondering if it is as compatible as it is with the LLU Providers

SOTV KRO BCFC smile
Standard User Adrian
(experienced) Tue 12-Feb-13 18:14:46
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Re: New User here !


[re: Stanman_24] [link to this post]
 
I recently returned to IDNet from an LLU provider and I also have a Billion 7800N.

I have been very impressed with the performance I have been getting and my 7800N regularly syncs with a 3dB noise margin without me having to force the issue. I have around 37dB attenuation and today I obtained a sync of more than 13Mbs for the first time ever, not that I expect it to stay there once the noise margin drops overnight, but I still get very good sync rates at the top of the 11-12 Mbs range.

Adrian

**"Consturbata sunt visera mea"**
Standard User Stanman_24
(knowledge is power) Wed 13-Feb-13 00:02:33
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Re: New User here !


[re: Adrian] [link to this post]
 
thanks m8

I will be patient whilst my Line settles down

SOTV KRO BCFC smile


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Standard User Adrian
(experienced) Wed 13-Feb-13 10:07:56
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Re: New User here !


[re: Stanman_24] [link to this post]
 
Just to prove me wrong, my 13Mbs sync, which I expected to disappear overnight, is still there with a noise margin of 2.6dB. I don't know what BeeTee have done in my exchange, but the performance I am getting is considerably better than I was getting on LLU, contrary to my expectations when I moved back to IDNet.

Adrian

**"Consturbata sunt visera mea"**
Standard User Stanman_24
(knowledge is power) Wed 13-Feb-13 10:50:08
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Re: New User here !


[re: Adrian] [link to this post]
 
G.dmt framing
--stats
adslctl: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Max: Upstream rate = 23702 Kbps, Downstream rate = 19248 Kbps
Path: 0, Upstream rate = 1048 Kbps, Downstream rate = 16232 Kbps

Link Power State: L0
Mode: ADSL2+
TPS-TC: ATM Mode
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 5.9 5.8
Attn(dB): 23.0 12.9
Pwr(dBm): 21.1 12.3

SOTV KRO BCFC smile
Standard User Adrian
(experienced) Wed 13-Feb-13 11:04:19
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Re: New User here !


[re: Stanman_24] [link to this post]
 
adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 8000
Max: Upstream rate = 1144 Kbps, Downstream rate = 15264 Kbps
Path: 0, Upstream rate = 1141 Kbps, Downstream rate = 13102 Kbps

Link Power State: L0
Mode: ADSL2+
TPS-TC: ATM Mode
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 2.6 5.8
Attn(dB): 36.0 18.6
Pwr(dBm): 0.0 12.9

I have also set up my router to use PPoE with LLC/SNAP-BRIDGING, but I don't think this has any influence other than making it possible to resync without a restart.

Adrian

**"Consturbata sunt visera mea"**
Standard User Tacitus
(experienced) Wed 13-Feb-13 18:29:24
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Re: New User here !


[re: Stanman_24] [link to this post]
 
FWIW I always used a BT 2-Wire router since I have a long line, (54dB attn) but when BT upgraded the exchange to ADSL2, I found that an old Zyxel which BT had previously said was faulty (long story) gave me an extra 750K or so over the 2-Wire.

The new kit in the exchange also uses a TI chip and the Zyxels are mostly (not all) based on the TI AR7 - I think they're now made by Infineon - which does seem to play well with the TI kit in my exchange. Mine's a 662H and I think the 661H is also AR7 based; can't speak for any others in the range but Zyxel sales can probably tell you which one uses what chip.

Neither is cheap but either might be worth considering. YMMV smile

Edited by Tacitus (Wed 13-Feb-13 18:30:21)

Standard User Stanman_24
(knowledge is power) Thu 14-Feb-13 09:09:43
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Re: New User here !


[re: Adrian] [link to this post]
 
that's a decent sync considering your a good 3 KM from the exchange

SOTV KRO BCFC smile
Standard User Stanman_24
(knowledge is power) Thu 14-Feb-13 09:10:56
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Re: New User here !


[re: Tacitus] [link to this post]
 
thanks m8

i had an old 652r back in the day of adsl1 datastream

SOTV KRO BCFC smile
Standard User Stanman_24
(knowledge is power) Fri 15-Feb-13 19:04:18
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Re: New User here !


[re: Stanman_24] [link to this post]
 
adslctl: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Max: Upstream rate = 23837 Kbps, Downstream rate = 21096 Kbps
Path: 0, Upstream rate = 1056 Kbps, Downstream rate = 18183 Kbps

Link Power State: L0
Mode: ADSL2+
TPS-TC: ATM Mode
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 2.6 5.5
Attn(dB): 23.0 12.9
Pwr(dBm): 21.1 12.2

still on interleaving also !

SOTV KRO BCFC smile
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