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