Contents
About this Manual............................................................. i
Purpose................................................................................i
Intended Audience .................................................................i
Prerequisite Skill and Knowledge ..............................................i
What is in This Manual............................................................i
Related Documentation.......................................................... ii
Conventions ......................................................................... ii
How to Get in Touch............................................................. iii
Chapter 1.......................................................................... 1
Overview ..........................................................................1
System Overview ............................................................1
System Background .............................................................. 1
Standards Observed.............................................................. 2
System Functions .................................................................6
System Working Principle ............................................... 11
Hardware Principle .............................................................. 11
Software Principle ............................................................... 12
Hardware Structure ....................................................... 14
Overall System Architecture ........................................... 14
Board Types....................................................................... 15
Software Structure ........................................................ 16
Software Module of NOWC Board........................................... 16
Software Module of Transmission Convergence Board............... 20
Software Module of TDM Line Card ........................................ 24
Subsystem of EOS Software ................................................. 25
RPR Software Subsystem ..................................................... 27
Chapter 2........................................................................29
Technical Indexes..........................................................29
SDH Performance Indexes.............................................. 29