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A DS3/T3 DS0 channel is 64 Kbps A DS1/T1 Circuit has 24 Channels T1/DS1 Lines are the equivalent of 24 phone lines or 24 DS0's. A DS1/T1 can handle 1.5 million bits per second or 1.5Mbps. There are 3 standards of Ethernet that are covered by IEEE 802.3 what is commonly known as the CSMA/CD Protocol. The LSR of the MPLS Network strips off the existing label at each hop and applies a new label that dictates how the next hop will forward the packet. An OC1 or Optical Carrier Level 1 is a SONET line and transmits data at a rate of 51.84 megabits per second with a payload of 50.112 Mbps and an overhead of 1.728 Mbps over optical fiber When discussing the STS-12 optical carrier frame, the following acronyms apply: SOH (Section Overhead), SPE (Synchronous Payload Envelope), LOH (Line Overhead) and POH (Path Overhead). Codec iLBC (Internet Low Bitrate Codec) transmits at 15 Kbps and is a royalty free narrowband speech codec OC-3 are called OC-3c when not being multiplexed from a single data source, the letter "c" (standing for concatenated) |
