| 单词 | Table J-1: Japanese Digital Hierarchy: J-carrier |
| 释义 | Table J-1: Japanese Digital Hierarchy: J-carrier J-carrier Level Data Rate 64-kbps Channels (DS-0s) Equivalent J1s 0 64 kbps 1 Not applicable J-1 1.544 Mbps 24 1 J-2 6.312 Mbps 96 4 7.786 Mbps 120 5 J-3 32.064 Mbps 480 20 J-4 97.728 Mbps 1,440 60 J-5 565.148 Mbps 7,680 320 See digital signal hierarchy for a side-by-side comparison of the North American, European, and Japanese digital hierarchies. See also A-law, carrier, channel, companding, digital, DS-0, E-carrier, J-1, J-2, J-3, J-4, J-5, µ-law, PCM, signaling rate, T-carrier, and TDM. |
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