Comtech-ef-data DD240XR Rev Е Instrukcja Użytkownika Strona 118
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Glossary DD240XR High-Speed Digital Demodulator
G-2 MN-DD240XR – Rev. E
C
C Celsius
CATS Computer Aided Test Software
CA/xxxx Cable Assembly
CCM Constant Coding and Modulation
CD-ROM Compact Disk – Read Only Memory
CLK Clock
cm Centimeter
COM Common
CPU Central Processing Unit
CRC Cyclic Redundancy Check. A system of error checking performed at the
transmitting and receiving stations.
CW Continuous Wave
C/N Carrier to Noise Ratio
D
DAC Digital to Analog Converter
dB Decibels
dBc Decibels Referred to Carrier
dBm Decibels Referred to 1.0 milliwatt
DC Direct Current
Demod Demodulator or Demodulated
DPLL Digital Phase Locked Loop
DVB Digital Video Broadcast
D & I Drop and Insert
E
E
b
/N
0
Ratio of Energy per bit to Noise Power Density in a 1 Hz Bandwidth.
EEPROM Electrically Erasable Programmable Read Only Memory
EIA Electronic Industries Association
EMI Electromagnetic Interference
ESC Engineering Service Circuits
ES-ES Earth Station to Earth Station Communication
ET Earth Terminal
- DD240XR 1
- Warranty Policy 3
- Comtech EF Data Corporation 4
- Preface 5
- Table of Contents 7
- MN-DD240XR – Rev. E ix 9
- Introduction 11
- 1-2 MN-DD240XR – Rev. E 12
- Installation 13
- chassis under any 13
- 2.1 Unpacking 14
- 2.2 Removal and Assembly 14
- 2.4 Demodulator Checkout 15
- 2.4.1 Initial Power-Up 15
- 2-4 MN-DD240XR – Rev. E 17
- Theory of Operation 19
- 3-2 MN-DD240XR – Rev. E 20
- User Interfaces 21
- 4.1.3 Front Panel Keypad 22
- 4.1.5 Parameter Setup 23
- 4-4 MN-DD240XR – Rev. E 24
- 4.2.1 Main Menus 25
- 4-6 MN-DD240XR – Rev. E 26
- MN-DD240XR – Rev. E 4-7 27
- 4-8 MN-DD240XR – Rev. E 28
- MN-DD240XR – Rev. E 4-9 29
- 4-10 MN-DD240XR – Rev. E 30
- MN-DD240XR – Rev. E 4-11 31
- 4-12 MN-DD240XR – Rev. E 32
- MN-DD240XR – Rev. E 4-13 33
- 4-14 MN-DD240XR – Rev. E 34
- MN-DD240XR – Rev. E 4-15 35
- 4-16 MN-DD240XR – Rev. E 36
- MN-DD240XR – Rev. E 4-17 37
- 4-18 MN-DD240XR – Rev. E 38
- MN-DD240XR – Rev. E 4-19 39
- 4-20 MN-DD240XR – Rev. E 40
- MN-DD240XR – Rev. E 4-21 41
- 4-22 MN-DD240XR – Rev. E 42
- MN-DD240XR – Rev. E 4-23 43
- 4-24 MN-DD240XR – Rev. E 44
- MN-DD240XR – Rev. E 4-25 45
- 4-26 MN-DD240XR – Rev. E 46
- {XXXXXXXXXXXX} 47
- 4.3.1 Protocol Structure 48
- 4.3.2 Protocol Wrapper 48
- MN-DD240XR – Rev. E 4-29 49
- 4-30 MN-DD240XR – Rev. E 50
- 4.3.5 Collision Avoidance 51
- 4-32 MN-DD240XR – Rev. E 52
- 4.3.7 RLLP Summary 53
- 4-34 MN-DD240XR – Rev. E 54
- MN-DD240XR – Rev. E 4-35 55
- 4-36 MN-DD240XR – Rev. E 56
- MN-DD240XR – Rev. E 4-37 57
- 4-38 MN-DD240XR – Rev. E 58
- MN-DD240XR – Rev. E 4-39 59
- 4-40 MN-DD240XR – Rev. E 60
- MN-DD240XR – Rev. E 4-41 61
- 4-42 MN-DD240XR – Rev. E 62
- MN-DD240XR – Rev. E 4-43 63
- 4-44 MN-DD240XR – Rev. E 64
- MN-DD240XR – Rev. E 4-45 65
- 4-46 MN-DD240XR – Rev. E 66
- MN-DD240XR – Rev. E 4-47 67
- 4-48 MN-DD240XR – Rev. E 68
- MN-DD240XR – Rev. E 4-49 69
- 4-50 MN-DD240XR – Rev. E 70
- MN-DD240XR – Rev. E 4-51 71
- 4-52 MN-DD240XR – Rev. E 72
- MN-DD240XR – Rev. E 4-53 73
- 4-54 MN-DD240XR – Rev. E 74
- MN-DD240XR – Rev. E 4-55 75
- 4-56 MN-DD240XR – Rev. E 76
- MN-DD240XR – Rev. E 4-57 77
- 4-58 MN-DD240XR – Rev. E 78
- MN-DD240XR – Rev. E 4-59 79
- 4-60 MN-DD240XR – Rev. E 80
- MN-DD240XR – Rev. E 4-61 81
- 4-62 MN-DD240XR – Rev. E 82
- MN-DD240XR – Rev. E 4-63 83
- 4-64 MN-DD240XR – Rev. E 84
- MN-DD240XR – Rev. E 4-65 85
- 4-66 MN-DD240XR – Rev. E 86
- MN-DD240XR – Rev. E 4-67 87
- 4-68 MN-DD240XR – Rev. E 88
- Electrical Interfaces 89
- 5.1 AC Power 90
- 5.2 PCMCIA Interface (J1) 90
- 5.2.1 Feature Upgrade 90
- 5.2.2 Firmware Update 91
- 5.4 Alarm Port (J3) 91
- 5.5 Remote Port (J4) 92
- 5.6 Terminal Port (J5) 92
- 5.8 RX IF IN (J7) 92
- 5.9 J8 Ports 93
- 5-6 MN-DD240XR – Rev. E 94
- 5.13 ECL Interface 95
- 5.13.1 ECL Balanced (J8) 95
- 5-8 MN-DD240XR – Rev. E 96
- MN-DD240XR – Rev. E 5-9 97
- 5-10 MN-DD240XR – Rev. E 98
- MN-DD240XR – Rev. E 5-11 99
- 5-12 MN-DD240XR – Rev. E 100
- MN-DD240XR – Rev. E 5-13 101
- 5-14 MN-DD240XR – Rev. E 102
- Maintenance 104
- 6-2 TM115 – Rev. 1.2 105
- Technical Specifications 107
- 7.3.1 DVB-S2-CCM 108
- 7.6 Monitor and Control 109
- 7.7 Environmental 110
- 7.8 Physical 110
- 7.9 Options 110
- MN-DD240XR – Rev. E 7-5 111
- 7-6 MN-DD240XR – Rev. E 112
- MN-DD240XR – Rev. E 7-7 113
- 7-8 MN-DD240XR – Rev. E 114
- MN-DD240XR – Rev. E 7-9 115
- 7-10 MN-DD240XR – Rev. E 116
- Glossary 117
- G-2 MN-DD240XR – Rev. E 118
- MN-DD240XR – Rev. E G-3 119
- G-4 MN-DD240XR – Rev. E 120
- MN-DD240XR – Rev. E G-5 121
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