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#1
25th January 2013, 02:12 PM
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| Describe SONET
Please provide me the details of SONET (Synchronous Optical Network).
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#2
26th January 2013, 01:17 PM
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| Re: Describe SONET
SONET is the Short for Synchronous Optical Network, a standard for connecting fiber-optic transmission systems. SONET was proposed by Bellcore in the middle 1980s and is now an ANSI standard. SONET defines interface standards at the physical layer of the OSI model. SONET Allow data streams at different rates to be multiplexed in a single one. SONET establishes Optical Carrier (OC) levels from 51.8 Mbps (OC-1) to 9.95 GBPS (OC-192). Prior rate standards used by different countries specified rates that were not compatible for multiplexing. With the implementation of SONET, communication carriers throughout the world can interconnect their existing digital carrier and fiber optic systems. |
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