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