SONET/SDH virtual tributary mapping to use KLM mode

Danijel theghost101 at
Thu Sep 16 12:57:56 UTC 2010


K describes TUG-3 group (1-3)
L describes a TUG-2 group inside a TUG-3 (1-7)
M describes a TU-12/VC12/E1 inside a TUG-2 (1-3)

I'm not sure if they actually have some meaning.


On Thu, Sep 16, 2010 at 14:58, Kweheria Erick <kweheria at> wrote:

> Hi,
> Someone please help me understand, in the SONET/SDH virtual tributary
> mapping context, K-L-M numbers are used to describe E1 positions.
> What do the initials KLM stand for?
> Regards,
> kweheria

More information about the NANOG mailing list