BT8110 데이터 시트보기 (PDF) - Conexant Systems
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BT8110 Datasheet PDF : 84 Pages
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Bt8110/8110B
High-Capacity ADPCM Processor
Appendix D . T1 ADPCM Transcoder
D.1 Introduction
D.1.2 Summary
The transcoder assembly can be used to double the voice-channel capacity of a T1
line, as shown in Figure D-2. The full-rate T1s can come from DCS systems,
channel banks, PBXs, or other T1 PCM stream signal sources. The ADPCM
transcoder can be used to interface AT&T’s M44 multiplexing service when the
bundle format is used. When transition signaling is used, all 48 channels are
provided. Also, transition signaling is compatible with all fractional T1 services.
A software listing of the program used by the Bt8200EVM-T1 is available upon
request.
Figure D-2. Single-Board Transcoder Application
T1
X
32 Kbit/s ADPCM T1
X
T1
Transcoder Z
Z Transcoder
T1
Y
Y
T1
100060_026
100060C
Conexant
D-3
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