Synchronous Digital Hierarchy

URI: https://gptkb.org/entity/Synchronous_Digital_Hierarchy
GPTKB entity
Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:International_Standard
gptkbp:abbreviation gptkb:SDH
gptkbp:compatibleWith gptkb:SONET
gptkbp:enables Synchronization
Network management
Network scalability
Add-drop multiplexing
Automatic protection switching
Efficient network management
Error correction
Flexible bandwidth allocation
International standardization
Interoperability between vendors
gptkbp:frameType 9 rows x 270 columns
gptkbp:hasUnit gptkb:STM-1
gptkbp:higherOrderUnit gptkb:STM-16
gptkb:STM-4
gptkb:STM-64
https://www.w3.org/2000/01/rdf-schema#label Synchronous Digital Hierarchy
gptkbp:introducedIn late 1980s
gptkbp:ITU-TRecommendation gptkb:G.707
gptkb:G.783
gptkb:G.784
gptkb:G.803
gptkbp:lowerOrderUnit gptkb:STM-1
gptkbp:mainUnitRate 155.52 Mbps
gptkbp:multiplexingMethod Byte-interleaved multiplexing
gptkbp:OSIModelLayer gptkb:Physical_layer
gptkb:Data_link_layer
gptkbp:payload gptkb:VC-4
gptkbp:region gptkb:Asia
gptkb:Europe
gptkbp:relatedStandard gptkb:SONET
gptkbp:replacedBy gptkb:Plesiochronous_Digital_Hierarchy
gptkbp:standardizedBy gptkb:ITU-T
gptkbp:supports High-capacity data transmission
Video transmission
Voice transmission
gptkbp:usedBy Internet service providers
Enterprise networks
Mobile network operators
Telecommunications operators
gptkbp:usedFor Digital signal transmission
gptkbp:usedIn Optical fiber networks
Telecommunications networks
gptkbp:uses Electrical signals
Optical carrier signals
gptkbp:bfsParent gptkb:Continuity_Check_Protocol
gptkb:SDH
gptkbp:bfsLayer 6