Cisco Headend System Release 2.5
4001159 Rev B
New Optional Features
2-3
Direct ASI: Direct ASI Replaces the BIG
What’s Direct ASI?
You can now send BFS data directly from the DNCS to a BFS QAM modulator.
Direct ASI simplifies your network by eliminating the need for a BFS BIG or for
Asynchronous Transfer Mode (ATM) permanent virtual circuits (PVCs).
Direct ASI requires a DVB-ASI card and may require additional network
Direct ASI requires a DVB-ASI card and may require additional network
components. Cisco Service engineers can configure your DNCS to support Direct
ASI when they upgrade your system to SR 3.5.
Due to Cisco’s previously announced plans to phase out the BIG and the operations
Due to Cisco’s previously announced plans to phase out the BIG and the operations
advantages of the Direct ASI configuration, sites should begin to budget and plan for
this upgrade.