| 单词 | FT1 (Fractional T1) |
| 释义 | FT1 (Fractional T1) A T1 circuit with some DS-0 channels disabled to provide a fraction of T1 capac- ity. FT1 generally is tariffed to provide 1, 2, 4, 6, 8, or 12 DS-0 channels. Subrate transmission also is available at speeds of 9.6 kbps. See also DS-0, subrate, and T1. 74570c06.qxd 9/11/07 12:21 PM Page 198 |
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