Cisco Headend System Release 2.5 安装指南
78-738190-01 Rev B
SR 2.5/3.5 Direct ASI Installation and Configuration Procedures
I-1
Appendix I
SR 2.5/3.5 Direct ASI Installation and Configuration Procedures
Overview
Introduction
To make the DNCS more compatible with international requirements and to reduce
network infrastructure complexity, Cisco has removed the requirement for a
Broadband Integrated Gateway (BIG) to help transmit Broadcast File System (BFS)
data to QAMs. The BFS now produces a full transport stream, and no longer feeds an
MPEG stream to the BIG for further processing and multiplexing.
The DNCS is now configurable so that inband data can be transmitted through the
The DNCS is now configurable so that inband data can be transmitted through the
current asynchronous transfer mode (ATM) interface or through a new
asynchronous serial interface (ASI). This appendix provides instructions for
installing and configuring the ASI.
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