Bt8954数据手册MACOM中文资料规格书

描述 Description

***All products in this section are DISCONTINUED parts. This section is for SUPPORT ONLY***Contact SupportThe 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.

特性 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
·6.144 and 8.192, 20.48 MHz ADPCM reference clock generation
·2.048 and 1.536 MHz PCM reference clock generation
·Programmable payload to support 2-18 64 Kbps voice channels
·Supports popular PCM codecs