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Author Topic: Trellis?  (Read 1663 times)

jid

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Trellis?
« on: October 15, 2008, 06:13:41 PM »

Hi All,

I was just wondering what "Trellis" and "Line Status" means in my Routers stats?

I thought only your ISP could check the Line for faults and defects?

Quote
Mode:                   G.DMT
Channel:                Interleave
Trellis:                ON
Line Status:            No Defect

Training Status:        Showtime
                Down            Up
SNR (dB):       11.8            26.0
Attn(dB):       30.0            15.5
Pwr(dBm):       19.8            12.3
Max(Kbps):      7168            1068
Rate (Kbps):    6752            448

Thanks

Jamie
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Kind Regards
Jamie

BT FTTP - 75meg | Sky Q |  Bridgend Weather

kitz

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Re: Trellis?
« Reply #1 on: October 15, 2008, 06:28:41 PM »

There's more info about Trellis on the main site.
Error Correction - Trellis Encoding.

As regards to the Line Status Check in your router - thats not quite the same thing as what the ISP/BT can do.
Your router has some basic tests that it can do.
~ Check that sync is up
~ Check that ATM and PPP is up
~ Check connectivity - Some routers have a "home" ping test, which checks if it can ping say Netgear.com etc
~ and also something called BERT which is a Bit Error Rate Test.  Which is the  ratio of erroneous bits to transmitted bits.

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How to get your router line stats :: ADSL Exchange Checker

jid

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Re: Trellis?
« Reply #2 on: October 15, 2008, 06:39:40 PM »

Aah thanks Kitz :)

I can do a ADSL BER test from the stats screen so...

Thanks

Jamie
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Jamie

BT FTTP - 75meg | Sky Q |  Bridgend Weather

kitz

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Re: Trellis?
« Reply #3 on: October 15, 2008, 09:23:51 PM »

yw :)
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How to get your router line stats :: ADSL Exchange Checker
 

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