Synchronous Optical Network (SONET) is a physical-layer fiber-optic communications technology used in North America for Wide-Area-Networking (WAN). SONET is a digital communications system using a hierarchichal multiplexing scheme and provides a compatible interface between North American and European digital multiplexing hierarchies.

Synchronous Transport Signal 1


The Need for Speed

Everyone is looking for faster Internet speeds and high-speed Internet only continues to grow. SONET provides transmission speeds based on the

  • OC3 (155 Mb/s)
  • OC12 ( 622.08 Mb/s)
  • OC48 (2.48 Gbps)
  • OC192 (9.6 Gbps)
  • OC768 (38.808 Gb/s)


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