E1 interface, layer 2

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Dieter Spaar spaar at mirider.augusta.de
Tue Mar 10 16:02:04 UTC 2009


Hello,

On Tue, 10 Mar 2009 15:24:00 +0100, "Klaus-Peter Junghanns" <kpj at junghanns.net> wrote:
> 
> What i am wondering about is:
> - which ETSI standard describs layer 2 for GSM abis?

As far as I am aware, its LAPD as specified by ITU Q.920 and Q.921
(very similar if not equal to what is used in the "D"-channel of
ISDN).

Best regards,
  Dieter
-- 
Dieter Spaar, Germany                           spaar at mirider.augusta.de




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