4B3T

4B3T

Post by bsch » Wed, 11 Dec 1996 04:00:00




>I am looking for a list of all (European and non-European) countries
>using the 4B3T code (U-interface) and/or the 2B1Q code.

>Can anyone help me?

>Tanks!

>Geert Dobbelaere
>Belgacom

I would be very interested in this too. Can you send me your results
I can enter some countries for you though you probably know already.

4B3T Germany, Austria, Switzerland.
2B1Q Eire, US, Canada and the UK (only with the new NTE8 and system Y exchanges)

regards

Barry Schofield

 
 
 

4B3T

Post by Andreas Fuechse » Thu, 12 Dec 1996 04:00:00




> >I am looking for a list of all (European and non-European) countries
> >using the 4B3T code (U-interface) and/or the 2B1Q code.

> >Can anyone help me?

> >Tanks!

> >Geert Dobbelaere
> >Belgacom

> I would be very interested in this too. Can you send me your results
> I can enter some countries for you though you probably know already.

> 4B3T Germany, Austria, Switzerland.
> 2B1Q Eire, US, Canada and the UK (only with the new NTE8 and system Y exchanges)

> regards

> Barry Schofield

Thats not right!!!

Austria is using the 2B1Q Code!!!

And i think only the older 1TR6 in Germany uses 4B3T Code, but this is
not shure!!

Ciao, andy

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1. 2B1Q 4B3T B6ZS implementation?

Hi there,

I know 2B1Q, 4B3T, B6ZS are line coding schemes,
but could anybody tell me how they are implemented?

I already know the AMI scheme, i.e each 1 is represented
by a pulse of an opposite sign to the previous, and I
know how HDB3 works (MOOV, 000V, etc), but I don't
know about the above. Could somebody please clue me
in?

Regards John
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