PDH (Plesiochronous Digital Hierarchy)
GPTKB entity
Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:digital_transmission_technology
|
| gptkbp:abbreviation |
gptkb:Plesiochronous_Digital_Hierarchy
|
| gptkbp:characteristic |
plesiochronous timing
|
| gptkbp:dataRate |
2 Mbps
140 Mbps 8 Mbps 34 Mbps |
| gptkbp:developedBy |
1960s
|
| gptkbp:formerName |
gptkb:SDH
|
| gptkbp:limitation |
limited scalability
difficult to extract lower order channels complex multiplexing |
| gptkbp:replacedBy |
SDH (Synchronous Digital Hierarchy)
|
| gptkbp:standardizedBy |
gptkb:ITU-T
|
| gptkbp:usedFor |
multiplexing digital signals
|
| gptkbp:usedIn |
gptkb:Europe
gptkb:Japan gptkb:North_America telecommunications |
| gptkbp:uses |
gptkb:E-carrier_system
gptkb:T-carrier_system |
| gptkbp:bfsParent |
gptkb:SDH/SONET
gptkb:SONET/SDH_standards |
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
PDH (Plesiochronous Digital Hierarchy)
|