K L M explaination in SDH?
KLM are K= The Number channel of VC4
L= The Number channel of TUG-3
M=The Number channel of TUG-2
The mapping must be reference with G.707 and G.709 standand.
If you has question let's be contact to me.
Mail: Thammarak98@hotmail.com form Thailand Transmission
Engineer.