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