Noun
SONET (uncountable)
Abbreviation of synchronous optical networking.
A customer who orders a DS3 usually receives a SONET circuit run into the building and a multiplexer mounted in a utility box. Source: Internet
Although the SONET standards were developed before SDH, it is considered a variation of SDH because of SDH's greater worldwide market penetration. Source: Internet
Haley would re-record "Rock Around the Clock" many times over the years (even scoring a substantial hit with a version recorded for Sonet Records in 1968), but never recaptured the magic. Source: Internet
An OC-3 SONET link contains three STS-1s, and therefore may carry three DS3s. Source: Internet
Both SONET and SDH can be used to encapsulate earlier digital transmission standards, such as the PDH standard, or they can be used to directly support either Asynchronous Transfer Mode (ATM) or so-called packet over SONET/SDH (POS) networking. Source: Internet
DS3 signals are rare except within buildings, where they are used for interconnections and as an intermediate step before being muxed onto a SONET circuit. Source: Internet