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DS2156 Datasheet, PDF (97/265 Pages) Dallas Semiconductor – T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface | |||
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DS2156
15.2.1.2 E1 Mode
In E1 mode, TS16 carries the signaling information. This information can be in either CCS (common
channel signaling) or CAS (channel associated signaling) format. The 32 time slots are referenced by two
different channel number schemes in E1. In âChannelâ numbering, TS0âTS31 are labeled channels 1
through 32. In âPhone Channelâ numbering, TS1âTS15 are labeled channel 1 through channel 15 and
TS17âTS31 are labeled channel 15 through channel 30.
Table 15-A. Time Slot Numbering Schemes
TS
Channel
Phone
Channel
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
97 of 265
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