User guide

4 Operating the Multiplexer
using nCompass Control
Chapter 4
Contents
4.1 Setting up the IP Address.....................................................................4-3
4.1.1 Connecting the Terminal ......................................................................4-3
4.1.2 IP Address ............................................................................................ 4-3
4.1.3 Netmask ...............................................................................................4-3
4.2 About nCompass Control .....................................................................4-4
4.3 Connecting the MX8400 Multiplexer..................................................... 4-5
4.4 Configuring the MX8400 Multiplexer ....................................................4-5
4.4.1 Definition...............................................................................................4-5
4.4.2 nCompass Control Functions ...............................................................4-5
4.5 MX8400 Multiplexer Modes of Operation ............................................. 4-6
4.5.1 Introduction...........................................................................................4-6
4.5.2 Summary of Multiplexing Modes ..........................................................4-6
4.5.2.1 Conventional Multiplexing..................................................................... 4-6
4.5.2.2 Statistical Multiplexing ..........................................................................4-7
4.5.3 Conventional Multiplexing..................................................................... 4-7
4.5.3.1 Limitations of Fixed Bit rate Encoding ..................................................4-7
4.5.3.2 Allocation of Bit rates............................................................................4-7
4.5.4 Statistical Multiplexing (Reflex)............................................................. 4-7
4.5.4.1 Advantages of Statistical Multiplexing ..................................................4-7
4.5.4.2 Role of the MX8400 Multiplexer in Statistical Multiplexing ...................4-7
4.5.4.3 Features of the Reflex Software ........................................................... 4-8
4.5.5 Using Statistical Multiplexing ................................................................4-8
4.5.5.1 Introduction...........................................................................................4-8
4.5.5.2 Allocation of Bit rates............................................................................4-8
4.5.5.3 Weighting Factor ..................................................................................4-9
4.5.5.4 Minimum and Maximum Bit rates ....................................................... 4-10
4.5.5.5 Group Performance ............................................................................4-10
4.5.5.6 Grouping of Encoders by Picture Material.......................................... 4-10
4.5.5.7 Grouping to Allow for Remultiplexing .................................................4-11
4.5.5.8 Protecting Channels ...........................................................................4-11
4.6 Data and Service Bandwidth ..............................................................4-11
4.7 Setup MX8400 Multiplexer Multiple Output Transport Streams..........4-12
4.7.1 Introduction.........................................................................................4-12
4.7.2 Adding an Output................................................................................ 4-12
4.8 Setup ASI Monitoring for Each Output Transport Stream...................4-14
2/1553-FGC 101 1014 Uen B
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