Teledyne Q-Flex - Page 6

Q-Flex Satellite Modem Installation and Operating Handbook
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6.2.11 Test Screen .............................................................................................. 6-90
6.2.12 BER Test .................................................................................................. 6-91
6.3 Front-panel Interface ........................................................................................ 6-93
6.3.1 Keypad Operation ......................................................................................... 6-93
6.3.1.1 Cursor ................................................................................................... 6-93
6.3.1.2 Navigation Keys .................................................................................... 6-93
6.3.1.3 Alphanumeric Keys ............................................................................... 6-94
6.3.1.4 Special Function Keys ........................................................................... 6-94
6.3.2 LCD Screen Layout ...................................................................................... 6-95
6.4 Front Panel Menu Structure .............................................................................. 6-96
6.4.1 Main Menu .................................................................................................... 6-96
6.4.2 Status Menu ................................................................................................. 6-97
6.4.3 Edit Menu ..................................................................................................... 6-98
6.4.3.1 Edit->Tx Menu ...................................................................................... 6-99
6.4.3.2 Edit->Rx Menu .................................................................................... 6-100
6.4.3.3 Edit->Unit Menu .................................................................................. 6-101
6.4.4 View Menu .................................................................................................. 6-102
6.4.5 Test Menu ................................................................................................... 6-102
Chapter 7 Modem Concepts .................................................................................. 7-1
7.1 System Clocking ................................................................................................. 7-1
7.1.1 Transmit Clocking ........................................................................................... 7-2
7.1.1.1 Internal Clock .......................................................................................... 7-2
7.1.1.2 Tx Clock In .............................................................................................. 7-2
7.1.1.3 Receive Reference.................................................................................. 7-3
7.1.2 Receive Clocking ............................................................................................ 7-4
7.1.2.1 Satellite ................................................................................................... 7-4
7.1.2.2 Tx Clock In .............................................................................................. 7-4
7.1.2.3 Station Clock ........................................................................................... 7-5
7.1.2.4 Internal Clock .......................................................................................... 7-6
7.1.3 Guidelines for Clocking Configuration ............................................................. 7-6
7.1.3.1 Clock Loop at One End ............................................................................ 7-6
7.1.3.2 No Clock Loop ......................................................................................... 7-7
7.1.3.3 Determining Buffer Size .......................................................................... 7-7
7.1.3.4 G.703 Clock Extension ............................................................................ 7-8
7.2 Automatic Uplink Power Control ......................................................................... 7-8
7.2.1 Introduction ..................................................................................................... 7-8
7.2.2 Configuring AUPC .......................................................................................... 7-9
7.3 1:1 Redundancy Operation ............................................................................... 7-10
7.3.1 Overview....................................................................................................... 7-10
7.3.2 Switching Operation ...................................................................................... 7-10
7.3.3 Setup Procedure ........................................................................................... 7-11
7.3.4 IP Addressing and Operation in Redundancy Configurations ........................ 7-11
7.3.4.1 1:1 IP Operation .................................................................................... 7-11
7.3.4.2 1:N IP Operation ................................................................................... 7-12
7.4 Software Activated Features ............................................................................. 7-12
7.5 Software Upgrading .......................................................................................... 7-13
7.6 LinkGuard™ Interference Detection and Carrier Relocation ............................. 7-14
7.7 FastLink Low-latency LDPC .............................................................................. 7-15
7.8 IP Functionality ................................................................................................. 7-19
7.8.1 Base Modem IP ............................................................................................ 7-19
7.8.2 IP Addressing ............................................................................................... 7-20