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Cell Relay Retreat>List Archive>month:1998-Mar> msg00288



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Re: SONET and SDH

  • From: John van Luijk <j.vanluijk@ptt-telecom.nl>
  • Date: 23 Mar 1998 10:10:55 GMT

Markus,

I don't think that the B2 byte or E2 byte is a problem because the 
B2 byte is for parity check and the E2 byte is for an orderwire channel.

Bye,

John



blckshaw@clark.net (Robert Blackshaw) schrijfbewerkingen: > Markus Berg <berg@irt.de> wrote:
> 
> >Hi to all,
> 
> >I don't know if that question was brought to the list yet,
> >but I'd like to know if there may be problems when I
> >connect ATM equipment which uses SDH STM-1 framing
> >to ATM equipment using SONET STS-3c?
> 
> Yes there are a couple of bits in the framing structure that differ
> the F1 bit is one and I think the B2 and E2 bits as well.
> 
> Bob
> 
> 
> 
>