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Bt8954
Voice Pair-Gain Framer (Not Recommended for new designs)
Overview
Description
The Bt8954 framer has been tailored to meet the needs of voice pair-gain systems (also referred to as 'cable relief systems' and 'digital subscriber line carriers') by providing a direct connection to the DSL modem and the CODEC. It performs the data, clock and format conversions necessary to construct a pulse code multiplexed (PCM) channel from a symmetrical digital subscriber line (SDSL) or a high-bit-rate digital subscriber line (HDSL) channel.
Features
- Frames and transports PCM data streams over 12,000-18,000 ft. (3.7?5.5 km) distances when coupled with Bt8960 or Bt8970
- Supports popular PCM codecs
- Programmable payload to support 2-18 64 Kbps voice channels
- 2.048 and 1.536 MHz PCM reference clock generation
- 6.144 and 8.192, 20.48 MHz ADPCM reference clock generation
Documentation
- Sales / Marketing
- Product Briefs
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Bt8954 PCMx VPG Framer Product Brief (494.18 KB)
January 1, 2000
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Bt8954 PCMx VPG Framer Product Brief (494.18 KB)
- Last Time Buys
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28954-13LTB (12.57 KB)
July 27, 2006
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28954-13LTB (12.57 KB)
- Hardware Design Docs
- PCNs
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28XXX QFP Move PCN (83.49 KB)
February 25, 2005 -
Test and Ship Location Change PCN (44.83 KB)
March 21, 2005
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28XXX QFP Move PCN (83.49 KB)
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