The Digital Signal 4/NA (DS4/NA) in telecommunications, is a 139.264-Mbps aggregate-multiplexed signal, equivalent to 3 Digital Signal 3s or 2,016 Digital Signal 0s. This link is commonly used for long distance fiber carriage of broadcast radio and television as a platform for the 270 Mbps MPEG-2/ASI Transport Stream.
The Digital Signal 4/NA (DS4/NA) in telecommunications, is a 139.264-Mbps aggregate-multiplexed signal, equivalent to 3 Digital Signal 3s or 2,016 Digital Signal 0s. This link is commonly used for long distance fiber carriage of broadcast radio and television as a platform for the 270 Mbps MPEG-2/ASI Transport Stream.
Source: Wikipedia "DS4/NA" · CC BY-SA 4.0
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