Mocomtech CDM-QX User Manual
Page 15
CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision
7
Table of Contents
MN/CDMQX.IOM
xiii
Figure 6-3. Home | Customer Support page ............................................................................................ 6–10
Figure 6-4. Admin | Access page ............................................................................................................ 6–11
Figure 6-5. Admin | Remote page ........................................................................................................... 6–13
Figure 6-6. Config Mdm | Quick View Page Example ........................................................................... 6–14
Figure 6-7. Configuration Icon Group Examples ................................................................................... 6–15
Figure 6-8. ‘Config Mdm | Quick View | Config’ Nested Pages – Base, Tx .......................................... 6–16
Figure 6-9. ‘Config Mdm | Quick View | Config’ Nested Pages – Rx, MD ........................................... 6–17
Figure 6-10. ‘Config Mdm | Quick View | Status’ Nested Pages – Base, Tx ......................................... 6–20
Figure 6-11. ‘Config Mdm | Quick View | Status’ Nested Pages – Rx, MD .......................................... 6–21
Figure 6-12. ‘Config Mdm | Quick View | Test’ Nested Pages – Base, Tx ............................................ 6–24
Figure 6-13. ‘Config Mdm | Quick View | Test’ Nested Pages – Rx, MD ............................................. 6–25
Figure 6-14. Nested Test Page with Spectrum Analyzer Mode ‘On’ – Rx, MD .................................... 6–27
Figure 6-15. ‘Config Mdm | Quick View | Utility’ Nested Pages – Base, Tx ......................................... 6–28
Figure 6-16. ‘Config Mdm | Quick View | Utility’ Nested Pages – Rx, MD .......................................... 6–29
Figure 6-17. Config Mdm | Unit Status Page .......................................................................................... 6–33
Figure 6-18. ODU | BUC page ................................................................................................................ 6–34
Figure 6-19. ODU | LNB page ................................................................................................................ 6–35
Figure 6-20. Maint | Unit Info page ........................................................................................................ 6–36
Figure 6-1. Viterbi Decoding .................................................................................................................... 7–8
Figure 6-2. Viterbi with Concatenated R-S Outer Code ........................................................................... 7–9
Figure 6-3. 8-PSK/TCM Rate 2/3 with and without concatenated R-S Outer Code .............................. 7–10
Figure 6-4. Comtech EF Data Turbo Product Codec Rate 3/4 QPSK, 8-PSK and 16-QAM ................. 7–11
Figure 6-5. Comtech EF Data Turbo Product Codec Rate 7/8 QPSK, 8-PSK and 16-QAM ................. 7–12
Figure 6-6. Rate 1/2 QPSK, Rate 17/18 QPSK and Rate 17/18 8-PSK .................................................. 7–13
Figure 6-7. Rate 21/44 BPSK and Rate 5/16 BPSK Turbo ..................................................................... 7–14
Figure 6-8. 16-QAM Viterbi, Rate 3/4 and Rate 7/8 with 220,200 R-S Outer Code .............................. 7–15
Figure 9-1. Traditional FDMA System (without CnC) ............................................................................. 9–2
Figure 9-2. Same System Using CDM-Qx/QxL and DoubleTalk
Carrier-in-Carrier ............................... 9–2
Figure 9-3. Adjacent Carrier: Case A (As Tested) and Case B (As Plotted) ............................................ 9–5
Figure 9-4. QPSK 3/4 Turbo degradation versus relative carrier spacing (for two adjacent carriers) ......... 9–6
Figure 9-5. 8-PSK 3/4 Turbo degradation versus relative carrier spacing (for two adjacent carriers) ......... 9–6
Figure 9-6. 16-QAM 3/4 Turbo degradation versus relative carrier spacing (for two adjacent carriers) ..... 9–6
Figure 9-7. Adjacent Carrier Cases ........................................................................................................... 9–7
Figure 9-8. CnC Ratio ............................................................................................................................... 9–8
Figure 9-9. CnC Ratio For QPSK and 8-PSK ........................................................................................... 9–9
Figure 9-10. CnC Ratio For 16-QAM ....................................................................................................... 9–9
Figure 9-11. CnC Example ..................................................................................................................... 9–10
Figure 9-12. Link With Fading At Site ‘A’ ............................................................................................ 9–11
Figure 9-13. Asymmetric Link (Same Data Rate, Different Antennas) .................................................. 9–12
Figure 11-1. CDM-Qx/QxL Chassis Rear Panel Schematic ................................................................... 11–1
Figure A-1. : EIA-530 to RS-422/449 DCE Conversion Cable (CA/WR0049) ...................................... A-2
Figure A-2. : EIA-530 to V.35 DCE Conversion Cable (CA/WR0059) .................................................. A-3
Figure A-3. EIA-530 DCE Conversion Cable (CA/WR9718-1) ............................................................. A-4
Figure A-4. Switch Programming Cable .................................................................................................. A-5