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Explain difference between SDH and PDH? ‎

What is the Difference Between SDH AND PDH ?‎

 

Answer added by  DOST MUHAMMAD, Senior Telecom Engineer, SEP
9 years ago

PDH and SDH are two different multiplexing techniques used in telecommunication. Theirmain features are shown below in brief; PDH:Less synchronizedEasy to operateAbsent o ... See More

 

Answer added by  Muhammad Zeeshan, Regional Manager, Konnect Holden (Pvt) Ltd
6 years ago

SDH is abreviated as Synchronous Digital Hierarchy while PDH is plesiochronous Digital Hieratchy.   Both Technologies is associated with digital Multiplexers

 

Answer added by  AZEEZ SAKIRU, Senior Engineer, ETISALAT Nigeria ALCATEL LUCENT, Banana Island
6 years ago

SDH is very useful equipment that is used for the telecommunication sector in easy transfer of data. Earlier PDH was widely used but due to some of its weaknesses, SDH ha ... See More

 

Answer added by  Ramil Natan, Communication Engineer/Switching Network Engineer, O & M Directorate of KKMC, Ministry of Defense and Aviation
6 years ago

PDH is Plesiochronous Digital Hierarchy and SDH is Synchronous Digital Hierarchy.Both are used in PCM transmission systems. Both use TDM principles for PCM frames. The di ... See More

 

Answer added by  cheten cheten, Transmission Engineer, Bhutan Telecom
6 years ago

Both PDH and SDH are terminologies associated with digital multiplexers used in exchanges. The different hierarchies having different bit rates are combined. These hierar ... See More

 

Answer added by  Saidur Rahman, Project Coordinator, ROBI Axiata Limited (2nd largest Mobile Operator in Bangladesh)
7 years ago

SDH is very useful equipment that is used for the telecommunication sector in easy transfer of data. Earlier PDH was widely used but due to some of its weaknesses, SDH ha ... See More

 

Answer added by  soumya ranjan nath, Planning Engineer, Reliance Communication ltd
7 years ago

PDH & SDH is very useful equipment that is used for the telecommunication sector in easy transfer of data. Earlier PDH was widely used, but due to some of its weaknes ... See More

 

Answer added by  Hardik Shah, Engineer, DEWA
7 years ago

PDH is Plesiochronous Digital Hierarchy and SDH is Synchronous Digital Hierarchy.Both are used in PCM transmission systems. Both use TDM principles for PCM frames.The dif ... See More