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8/31/2006
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1
Introduction............................................................................................................................. 3
1.1
Network Configurations ..................................................................................................... 3
1.2
Planning ............................................................................................................................ 4
2
Key Functions ......................................................................................................................... 5
2.1
Multiplexer Operation ........................................................................................................ 6
2.1.1
Multiplexer .................................................................................................................... 6
2.1.2
Demultiplexer ............................................................................................................... 8
2.1.3
FIFO Buffers ................................................................................................................. 8
2.1.4
Channel Allocation / De-allocation ............................................................................... 8
2.1.5
Management Channel .................................................................................................. 9
2.1.6
Composite Port Operation ........................................................................................... 9
2.1.7
Channel Port Operation ............................................................................................. 12
2.2
System Operation ........................................................................................................... 14
2.2.1
Configuration Management Functions ....................................................................... 14
2.2.2
Non-volatile Parameter Storage ................................................................................. 15
2.2.3
Null Configuration Reset ............................................................................................ 15
2.2.4
System Reset ............................................................................................................. 16
2.2.5
Configuration Backup and Restoral to File ................................................................ 16
2.2.6
Configuration Copy Commands between Local and Remote Systems ..................... 16
2.2.7
Copying the Operating Systems from a Local to Remote System ............................ 17
2.2.8
Time and Day Clock ................................................................................................... 17
2.2.9
Node ID Information ................................................................................................... 18
2.2.10
Log-In, Log-Off and Change Password ..................................................................... 18
2.3
Backup, Restoral, and Bandwidth Assignment Operations ............................................ 18
2.3.1
Channel Failover Modes and Associated Parameters ............................................... 18
2.3.2
Expanded Bandwidth Configuration ........................................................................... 19
2.3.3
Redundant (or Hot Standby) Link Configuration ........................................................ 20
2.3.4
Backup with Prioritized Channels .............................................................................. 21
3
Hardware Installation ........................................................................................................... 29
3.1
Main Chassis ................................................................................................................... 30
3.1.1
AC Mains Power ........................................................................................................ 30
3.1.2
Chassis rack-mounting .............................................................................................. 30
3.1.3
Thermal requirements ................................................................................................ 30
3.2
Power Supply Modules ................................................................................................... 31
3.2.1
Power Supply Replacement ....................................................................................... 31
3.3
Processor Card ............................................................................................................... 31
3.3.1
Processor Card Replacement .................................................................................... 32
3.4
Port I/O Cards ................................................................................................................. 32
3.4.1
Port I/O Card Replacement ........................................................................................ 32
3.5
Troubleshooting .............................................................................................................. 32
3.5.1
Basic System Checks and Operation ........................................................................ 32
4
User Interface ....................................................................................................................... 35
4.1
Indicators ......................................................................................................................... 35
4.1.1
Processor Card .......................................................................................................... 35
4.1.2
Port I/O Card .............................................................................................................. 36
Summary of Contents for Nx8- Dual Composite MUX High-Speed 16-Port TDM Multiplexer
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