What does SDH stand for?
SDH stands for "Synchronous Digital Heirarchy"
How to abbreviate "Synchronous Digital Heirarchy"?
"Synchronous Digital Heirarchy" can be abbreviated as SDH
What is the meaning of SDH abbreviation?
The meaning of SDH abbreviation is "Synchronous Digital Heirarchy"
What does SDH mean?
SDH as abbreviation means "Synchronous Digital Heirarchy"
