Comtech-ef-data MD2401 Instrukcja Użytkownika Strona 10
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MD2401 L-Band Multi Demod Installation and Operation Manual Revision 7
Preface MN-MD2401
xx
Cautions and Warnings
WARNING
WARNING indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
CAUTION
CAUTION indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury. CAUTION may also be used to indicate other unsafe
practices or risks of property damage.
IM PO RTANT
IMPORTANT or NOTE i
ndicates information critical for proper equipment
function.
Recommended Standard Designations
Recommended Standard (RS) Designations have been superseded by the new designation of the
Electronic Industries Association (EIA). References to the old designations are shown only when
depicting actual text displayed on the screen of the unit (RS-232, RS-485, etc.). All other references
in the manual will be shown with the EIA designations.
IM PORTA NT
The user should carefully review the following information.
Electrical Safety
The MD2401 has been shown to comply with the EN 60950-1 Safety of Information
Technology Equipment (including electrical business machines) safety standard.
The equipment is rated for a nominal operating range of 100 - 240 volts AC. The unit has a
maximum power consumption of 250 watts.
Battery
The modem contains a Lithium Battery. DANGER OF EXPLOSION EXISTS if the
battery is incorrectly replaced. Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used batteries in accordance
with local and national regulations.
Grounding
PROPER GROUNDING PROTECTION REQUIRED: The installation instructions
require that the integrity of the protective earth must be ensured and that the
equipment shall be connected to the protective earth connection at all times.
Therefore, it is imperative during installation, configuration, and operation that
the user ensures that the unit has been properly grounded using the ground
stud provided on the rear panel of the unit.
- L-Band Multi Demod 1
- Table of Contents 5
- Table of Contents MN-MD2401 6
- PREFACE 9
- Cautions and Warnings 10
- Electrical Safety 10
- Battery 10
- Grounding 10
- Environmental 11
- Installation 11
- CE Mark 12
- RoHS Compliancy 12
- Preface MN-MD2401 13
- Warranty Policy 14
- Limitations of Warranty 14
- Exclusive Remedies 15
- Customer Support 16
- Online Customer Support 16
- Chapter 1. INTRODUCTION 17
- 1.2.1 Reed-Solomon Codec 18
- 1.2.2 Turbo Codec 18
- 1.2.3 8PSK (Optional) 18
- Chapter 2. Installation 19
- 2.3 Mounting Considerations 20
- MN-MD2401 2–3 21
- 2.4 Demodulator Checkout 22
- 2.4.1 Initial Power-Up 22
- 2.5 Storage 23
- MN-MD2401 2–6 24
- 3.1 Theory of Operation 25
- MN-MD2401 3–2 26
- 3.2 Applications 27
- 3.3 3.2 Clocking Options 28
- 3.3.1.1 RX SAT Clock 29
- 3.4 MD2401 Reed-Solomon 30
- 3.4.1 Reed-Solomon Codec 30
- 3.4.4 Interleaving 31
- MN-MD2401 3–8 32
- Chapter 4. User Interfaces 33
- MN-MD2401 4–2 34
- 8 data bits 34
- no parity 34
- 4.4.2 Terminal Screens 35
- MN-MD2401 4–4 36
- MN-MD2401 4–5 37
- MN-MD2401 4–6 38
- MN-MD2401 4–7 39
- MN-MD2401 4–8 40
- MN-MD2401 4–9 41
- 4.5.1 Protocol Structure 42
- 4.5.2 Protocol Wrapper 42
- MN-MD2401 4–11 43
- MN-MD2401 4–12 44
- MN-MD2401 4–13 45
- 4.5.5 Collision Avoidance 46
- MN-MD2401 4–15 47
- 4.5.8 RLLP Summary 48
- MN-MD2401 4–17 49
- 4.5.11 Module Command Set 50
- MN-MD2401 4–20 52
- MN-MD2401 4–21 53
- MN-MD2401 4–22 54
- MN-MD2401 4–24 56
- 0 = 75 ohms, 1 = 50 Ohms 56
- MN-MD2401 4–25 57
- MN-MD2401 4–26 58
- MN-MD2401 4–28 60
- MN-MD2401 4–29 61
- MN-MD2401 4–35 67
- MN-MD2401 4–36 68
- MN-MD2401 4–37 69
- MN-MD2401 4–42 74
- MN-MD2401 4–48 80
- 5.1 MD2401 Connections 81
- 5.2 Power 82
- MN-MD2401 5–3 83
- 5.4.6 Prioritized Queues 84
- 5.5 EXT REF 84
- 5.7 RX IN 85
- 5.7.1 L-Band (J4) 85
- 5.8 Remote Port (J5) 85
- 5.9 Remote Addresses 86
- MN-MD2401 5–7 87
- MN-MD2401 5–8 88
- Chapter 6. Maintenance and 89
- Troubleshooting 89
- MN-MD2401 6–2 90
- Chapter 7. Technical 91
- Specifications 91
- 7.4 Standard Options 92
- 7.5 Environmental 92
- 7.6 Physical 92
- Viterbi 93
- Viterbi Decoder 94
- Reed Solomon 94
- MN-MD2401 7–5 95
- Trellis 96
- MN-MD2401 7–7 97
- Turbo Decoder 98
- MN-MD2401 7–10 100
- Revision 7 100
- MN-MD2401 7–11 101
- 7.8 MD2401 Input Level 102
- 7.9 AGC Curve 103
- MN-MD2401 7–14 104
- METRIC CONVERSIONS 105
- Units of Length 105
- Temperature Conversions 105
- Units of Weight 105
- 480 • 333 • 2200 PHONE 106
- • 333 • 2161 FAX 106
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