29-10-2010, 04:01 PM
SONET.PPT (Size: 819.5 KB / Downloads: 174)
SONET
What is SONET?
Defines a digital hierarchy of synchronous signals
Maps asynchronous signals (DS1, DS3) to synchronous format
Defines electrical and optical connections between equipment
Allows for interconnection of different vendors’ equipment
Provides overhead channels for interoffice OAM&P