Comtech EF Data SDM-100A Specifiche Scaricare il pdf (Pagina 3)

Printed in the USA.

EFData Corporation, 2105 West 5th Place, Tempe, Arizona 85281 USA, (602) 968-0447, FAX: (602) 921-9012.

EFData Corporation is an ISO 9001 Registered Company

SDM-100A

Satellite Modem

Installation and Operation Manual

Part Number MN/SDM100A.IOM

Revision 0

November 27, 1996

Special Instructions:

This is the first edition of the manual.

1 2 3 4 5 6 7 8 ... 211 212

SDM-100A 1
Preface 5
Military Standards 6
Trademarks 6
Related Documents 6
European EMC Directive 7
Customer Support 8
Table of Contents 9
Rev. 0 vii 11
Rev. 0 ix 13
Figures 14
Rev. 0 xi 15
Chapter 1 17
INTRODUCTION 17
1.1 Purpose and Function 18
1.2 Description 19
1.3 Options 20
1.3.1 ASYNC/AUPC Interface 20
1.3.2 ADPCM Voice 20
1.4 Modem Specifications 21
1.5 BER Performance 23
1–8 Rev. 0 24
Rev. 0 1–9 25
1–10 Rev. 0 26
Chapter 2 27
INSTALLATION 27
2.2 System Installation 28
2.3 System Requirements 29
2–4 Rev. 0 30
2.4 External Connections 31
2.4.2 Remote (J6) 32
2.4.3 Faults (J7) 33
2.4.4 TX IF Output (CP1) 33
2.4.5 RX IF Input (CP2) 34
2.4.6 AC Power 34
2.4.7 DC Power 34
2.4.8 GND 34
2.4.9 AGC Test Point 34
Chapter 3 35
OPERATION 35
3.1.2 LED Indicators 36
3.1.3 Front Panel Controls 37
3.2 Menu System 38
Rev. 0 3–5 39
3–6 Rev. 0 40
3.2.1.1 Configuration 41
3–8 Rev. 0 42
Rev. 0 3–11 45
3–12 Rev. 0 46
Rev. 0 3–15 49
3–16 Rev. 0 50
Rev. 0 3–17 51
Rev. 0 3–21 55
3–22 Rev. 0 56
3–24 Rev. 0 58
3.2.1.2 Monitor 59
3.2.1.3 Faults/Alarms 60
Rev. 0 3–27 61
3–28 Rev. 0 62
3.2.1.3.1 Modulator Faults 63
Rev. 0 3–33 67
3–34 Rev. 0 68
Rev. 0 3–35 69
3.2.1.5 Remote AUPC 70
3.2.1.6 Utility 71
3–38 Rev. 0 72
3.2.1.6.1 Utility Modulator 73
Rev. 0 3–41 75
3–42 Rev. 0 76
3–44 Rev. 0 78
3.2.1.6.3 Utility Interface 79
Rev. 0 3–47 81
3–48 Rev. 0 82
3.2.1.6.4 Utility System 83
again to reset the 84
Rev. 0 3–51 85
3–52 Rev. 0 86
Rev. 0 3–53 87
3–54 Rev. 0 88
↑] or [↓] to increase or 91
←] and [→] to move the 93
Rev. 0 3–61 95
3–62 Rev. 0 96
3–64 Rev. 0 98
Rev. 0 3–65 99
3.2.2.5 Utility Functions 100
Rev. 0 3–67 101
3–68 Rev. 0 102
3–70 Rev. 0 104
3–72 Rev. 0 106
↑] or [↓] to 107
↑] or [↓] to select ON 107
SATELLITE 111
DATA MODEM 111
3.3 Clocking Options 113
3.3.1 Master/Master 113
3.3.2 Master/Slave 113
3–80 Rev. 0 114
Rev. 0 3–81 115
3–82 Rev. 0 116
Chapter 4 117
THEORY OF OPERATION 117
± 1 x 10 119
± 1 dB to 119
STANDARD 120
NON-STANDARD 120
4.1.2 Specifications 121
4.2 Demodulator 122
4.2.1 Theory of Operation 122
4.2.2 Specifications 122
RX CLOCK 123
4–8 Rev. 0 124
Rev. 0 4–9 125
4–10 Rev. 0 126
4.3 Monitor and Control 127
4.3.1 Non-Volatile Memory 127
4–12 Rev. 0 128
4.3.5 Modem Defaults 129
4.4 Digital Interfaces 130
4.4.1 RS-422 Interface 130
4–16 Rev. 0 132
4.4.1.1 Connector Pinouts 133
0.0, ± 0.4V 134
Rev. 0 4–19 135
4–20 Rev. 0 136
4.4.2.1 Connector Pinouts 137
4.4.2.2 Specification 138
4.4.3 RS-232-C Interface 138
4.4.3.1 Theory of Operation 139
4–24 Rev. 0 140
4.4.3.2 Connector Pinouts 141
Chapter 5 143
MAINTENANCE 143
5.1.2 Modulator Checkout 144
5.1.3 Demodulator Checkout 144
Rev. 0 5–3 145
Various Code Rates 146
WITH NOISE 147
WITHOUT NOISE 147
5.1.4 Test Points 148
INTERFACE FAULTS 150
MOD FAULTS 150
DEMOD FAULTS 150
COMMON EQUIPMENT FAULTS 150
5.3 Module Identification 151
5–10 Rev. 0 152
Appendix A 153
REMOTE CONTROL OPERATION 153
A.2 Message Structure 154
A.2.1 Start Character 154
A.2.2 Device Address 154
A.2.3 Command/Response 155
A.2.4 End Character 155
Command: 156
(MPO_) 157
A.3.2 Demodulator 158
Rev. 0 A–7 159
A.3.3 Interface 160
Rev. 0 A–9 161
A–10 Rev. 0 162
Rev. 0 A–11 163
A.3.4 System 164
A.3.5 AUPC 164
Rev. 0 A–13 165
Modulator Output Power 166
A–16 Rev. 0 168
Rev. 0 A–17 169
A–18 Rev. 0 170
Rev. 0 A–19 171
A–20 Rev. 0 172
Rev. 0 A–21 173
A–22 Rev. 0 174
Rev. 0 A–23 175
A–24 Rev. 0 176
Rev. 0 A–25 177
A–26 Rev. 0 178
A.4.2 Error Performance 179
A.5 Stored Faults 180
Rev. 0 A–29 181
A–30 Rev. 0 182
Appendix B 183
OPTIONS 183
B–2 Rev. 0 184
B.1.1 Theory of Operation 186
B.1.1.5 Buffer Operation 187
B.1.1.8 Non-ASYNC Operation 188
B.1.2.1 Top Cover Removal 190
B.1.2.3 EPROM Installation 190
B.1.2.4 ASYNC Interface 190
B.1.3 Front Panel Operation 191
B.1.3.3 Demodulation 192
B.1.3.4 Utility/Interface 192
B.1.3.5 Specifications 193
Rev. 0 B–13 195
B.2.1.1 Multiplexer 196
B.2.1.2 Demultiplexer 196
B.2.1.3 Protection Switch 197
B.2.1.4 RS-422 Interface 197
B.2.2 Front Panel Operation 198
B.2.2.1 Interface 198
B.2.2.4 Utility/Interface 199
B.2.2.5 TX Alarm Indication 199
B.2.2.6 RX Alarm Indication 199
B.2.2.7 DEMUX Lock 199
B.2.2.8 Remote Off Hook 199
B.2.3 Specifications 200
B.3 Reed-Solomon Codec 201
B.3.1 Reed-Solomon Encoder 201
B–20 Rev. 0 202
Rev. 0 B–21 203
B.3.2 Reed-Solomon Decoder 204
Rev. 0 B–23 205
B–24 Rev. 0 206
Glossary 207
METRIC CONVERSIONS 211
Units of Length 211
Temperature Conversions 211
Units of Weight 211
480 • 333 • 2200 PHONE 212
480 • 333 • 2161 212

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