Home > Term: plesiochronous digital hierarchy (PDH)
plesiochronous digital hierarchy (PDH)
PDH refers to the DS1/DS2/DS3 family of signals which were developed as an asynchronously multiplexed hierarchy for transmission systems which are now more frequently encountered as payload in a SONET system.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Τηλεπικοινωνίες
- Category: General telecom
- Company: ATIS
0
Δημιουργός
- KeithC3
-
(Diamond) 7429 points - 100% positive feedback
