Comtech EF Data SLM-7650 Installation And Operation Manual page 10

Comtech ef data satellite modem installation and operation manual
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SLM-7650 Satellite Modem
Revision 4
Preface
MN/SLM7650.IOM
Tables
Table 1-1 Operating Modes ......................................................................................................................................1-5
Table 1-2 SLM-7650 Options...................................................................................................................................1-5
Table 1-3. System Specifications Summary ..............................................................................................................1-6
Table 1-4. Viterbi Decoder BER ..............................................................................................................................1-8
Table 1-5. High Order Modulation Options .............................................................................................................1-9
Table 2-1. Modem Rear Panel Connectors ...............................................................................................................2-2
Table 2-2. IF Interface ...............................................................................................................................................2-3
Table 2-3. Modem External Reference Input ...........................................................................................................2-3
Table 2-4. Terrestrial Data Interface 37-Pin D Female ............................................................................................2-3
Table 2-5. Terrestrial Data Interface 25-Pin D Female (Optional) ...........................................................................2-4
Table-2-7. Asynchronous Data Interface..................................................................................................................2-5
Table 2-8. Fault/Alarm Status Interface ...................................................................................................................2-5
Table 2-9. 50 Pin Sub-D Female Interface Connector..............................................................................................2-6
Table 2-10. 15-Pin Sub-D Female (G.703 Balanced)...............................................................................................2-7
Table 2-11. 75Ω BNC Connectors (G.703 Unbalanced) ..........................................................................................2-7
Table 3-1. Front Panel Indicators ............................................................................................................................. 3-2
Table 3-2. Keypad Functions.................................................................................................................................... 3-3
Table 3-3. Data Rate Ranges .................................................................................................................................... 3-6
Table 3-4. 7650-00 Default Parameters .................................................................................................................. 3-35
Table 3-5. 7650-02 Default Parameters .................................................................................................................. 3-36
Table 3-6. IDR Default Parameters ........................................................................................................................ 3-38
Table 3-7. IBS Default Parameters ......................................................................................................................... 3-40
Table 3-8. VSAT-IBS Default Parameters ............................................................................................................. 3-42
Table 3-9. IBS-309 Default Parameters.................................................................................................................. 3-44
Table 3-10. ASYNC/AUPC Default Parameters .................................................................................................... 3-46
Table 3-11. EFD Default Parameters...................................................................................................................... 3-48
Table 4-1. Viterbi Decoding Summary.....................................................................................................................4-5
Table 4-2. Concatenated RS Coding Summary ........................................................................................................4-6
Table 4-3. 8PSK/TCM Coding Summary.................................................................................................................4-7
Table 4-4. Available TPC Modes ..............................................................................................................................4-8
Table 4-5. Turbo Product Coding processing delay comparison...............................................................................4-8
Table 4-6. Reed-Solomon Factor............................................................................................................................4-12
Table 4-7. Delay Variations for Inclined Orbit Satellites .......................................................................................4-34
Table 4-8. Recommended Buffer Size....................................................................................................................4-34
Table 5-1. SLM-7650 Fault Tree..............................................................................................................................5-5
Table 5-2. Modulator Fault Information...................................................................................................................5-9
Table 5-3. Demodulator Fault Information.............................................................................................................5-10
Table 5-4. Transmit Interface Fault Information ....................................................................................................5-11
Table 5-5. Receive Interface Fault Information......................................................................................................5-12
Table 5-6. Common Equipment Fault Information ................................................................................................5-13
Table 5-7. Test Equipment Required......................................................................................................................5-14
Table 5-8. Conversion to S/N and E b /N 0 Chart .....................................................................................................5-23
Table 5-9. Reed-Solomon Overhead Correction Factor .........................................................................................5-23
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