Table of Contents
iv
MS-4900, Rev. A
Section 4. Interpreting Screen Displays
Identifying Problem Indications
.................................................................................. 4-1
Check Signal Quality............................................................................................................. 4-2
Superscreen Fields........................................................................................................
4-2
Demodulator Screen Fields ........................................................................................... 4-3
TDD Screen Fields ........................................................................................................
4-4
Active Sessions Screen Fields.......................................................................................
4-5
Check Output Ports............................................................................................................... 4-6
Show Status/Logical Receivers......................................................................................
4-6
View Setup of Logical Receivers....................................................................................
4-7
TDD Channels ...............................................................................................................
4-8
Diagnostic Screens........................................................................................................
4-9
Verifying Ethernet Screens
....................................................................................... 4-10
View Setup.......................................................................................................................... 4-10
Local IP Address..........................................................................................................
4-10
Subnet Mask................................................................................................................
4-10
Gateway IPO Address .................................................................................................
4-10
SNMP Trap IP Address................................................................................................
4-11
Host IP Address...........................................................................................................
4-11
Specify Setup: IP Addresses .............................................................................................. 4-11
Changing an Address...................................................................................................4
-11
Examining System Messages
................................................................................... 4-12
Error and Warning Messages .............................................................................................. 4-12
Section 5. Functional Overview
Network Overview
........................................................................................................ 5-1
Network Components ............................................................................................................ 5-1
The NCC: Input and Output................................................................................................... 5-2
The Receiver: Input and Output ............................................................................................ 5-4
Modes of Moving Data
................................................................................................. 5-4
Transparent Sync and Async Data ........................................................................................ 5-4
Stat Mux Data ....................................................................................................................... 5-5
Logical Receivers ..........................................................................................................
5-5
TVCs and PVCs .................................................................................................................... 5-6
PAD and Node Modes........................................................................................................... 5-6
PAD Mode and PVC Sessions .......................................................................................
5-7
PAD Mode and TVC Sessions .......................................................................................
5-7
Node Mode....................................................................................................................
5-7
IDR V1000: Functional Overview
................................................................................ 5-8
Signal Input: LNB and Tuner ................................................................................................. 5-9
Demodulating and Error-Correcting ....................................................................................... 5-9
Time-Division Demultiplexer (TDD)..................................................................................... 5-10
Processor............................................................................................................................ 5-10
Statistical Demultiplexer (Stat Demux) ................................................................................ 5-10
Buffering and Flow Control.................................................................................................. 5-11
Serial Output Ports.............................................................................................................. 5-11
Summary of Contents for IDR V1000
Page 21: ...Using the Front Panel 3 8 MS 4900 Rev A...
Page 46: ...Functional Overview MS 4900 Rev A 5 13 Figure 5 5 Four Port Daughtercard Model...
Page 48: ...Functional Overview MS 4900 Rev A 5 15...
Page 54: ...Appendix B Pin out Tables B 4 MS 4900 Rev A...
Page 61: ...Glossary G 6 MS 4900 Rev A...