Skip to content


Synchronous Digital Hierarchy

Share This:

Synchronous Digital Hierarchy (SDH) is an international standard for communications and a protocol used primarilly in Europe and overseas digital telephone networks to multiplex and cross-connect other communications links. It is designed to be compatible with most other telephony protocols and allows the transfer of significantly higer rates of data.

SDH is based on Synchrounous Transport

Additional information

 

Share This:

If you found this tutorial useful, please DONATE! Donations support the creation and maintenance of this, and other tutorials throughout this site.