SONET/SDH virtual tributary mapping to use KLM mode

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

Re: SONET/SDH virtual tributary mapping to use KLM mode

Thanks, Always wondered what the motivation behind those exact letters was. -Original Message- From: Christian Martin christian.mar...@teliris.com To: Danijel theghost...@gmail.com Cc: Kweheria Erick kwehe...@gmail.com, nanog@nanog.org nanog@nanog.org Subject: Re: SONET/SDH virtual