Comtech EF Data CDM-625A, Инструкция по установке и эксплуатации

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CDM-625A Advanced Satellite Modem MN-CDM625A / CD-MN-CDM625A
Table of Contents Revision 4
xxiv
Table B-4. 8-PSK/TCM Coding Summary ................................................................................................... B–6
Table B-5. Available TPC/LDPC Modes .................................................................................................... B–10
Table B-6. Comparison of all Comtech EF Data TPC/LDPC Modes (CDM-625A with TPC/LDPC Codec) . B–11
Table B-7. TPC/LDPC Processing Delay Comparison ............................................................................... B–12
Table B-8. TPC/LDPC Summary ............................................................................................................... B–12
Table B-9. The VersaFEC ModCod set ..................................................................................................... B–13
Table B-10. The VersaFEC-2 ModCod Set – Long Block .......................................................................... B–17
Table B-11. The VersaFEC-2 ModCod Set – Short Block ......................................................................... B–18
Table B-12. VersaFEC-2 End-to-End Latency @ 100 ksps ....................................................................... B–19
Table F-1. Spectral Efficiency using DoubleTalk Carrier-in-Carrier ........................................................... F–7
Table M-1. The VersaFEC ModCod set ..................................................................................................... M–7
Table M-2. VersaFEC Implementation of ACM – 100 ksymbols/sec Example Case ................................ M–8
Table M-3. The VersaFEC-2 ModCod Set – Long Block .......................................................................... M–13
Table M-4. The VersaFEC-2 ModCod Set – Short Block ......................................................................... M–14
Table M-5. VersaFEC-2 End-to-End Latency @ 100 ksps ....................................................................... M–15
Table R-1. Modem Tx Data Rate vs. QoS Tx Data Rate (Hardware-limited) ............................................. R–2
Table R-2. 802.1q to Layer 2 QoS Priority Conversion .............................................................................. R–5
FIGURES
Figure 1-1. CDM-625A Advanced Satellite Modem .................................................................................. 1–1
Figure 1-2. CDM-625A Dimensional Envelope ........................................................................................ 1–10
Figure 1-3. CDM-625A Front Panel Features .......................................................................................... 1–11
Figure 1-4. CDM-625A Rear Panel View .................................................................................................. 1–12
Figure 1-5. Rx Carrier Level vs. Symbol Rate – L-Band (950-2250 MHz) ................................................. 1–21
Figure 1-6. Rx Carrier Level vs. Symbol Rate – IF Band (50-180 MHz) .................................................... 1–21
Figure 2-1. Unpack and Inspect the Shipment .......................................................................................... 2–1
Figure 2-2. Install the modem Into a Rack Enclosure ............................................................................... 2–3
Figure 2-3. Install the Optional Rear-Mounting Support Brackets Kit ...................................................... 2–4
Figure 3-1. Coaxial Connector Examples ................................................................................................... 3–1
Figure 3-2. D-Subminiature Connector Examples ..................................................................................... 3–3
Figure 3-3. CDM-625A Rear Panel View .................................................................................................... 3–4
Figure 3-4. CIC-60 Interface Adapter Module (CEFD P/N PL-0000307) .................................................... 3–7
Figure 3-5. CA-0000163 Adapter Cable (DB-9M

(2X) DB-15F) ........................................................... 3–10
Figure 3-6. CA-0000164 Adapter Cable (DB-9M

(2X) RJ-48F) ............................................................ 3–11
Figure 3-7. Quad E1 Balanced/Unbalanced Adapter Cable Kits ............................................................. 3–12
Figure 3-8. CDM-625A Chassis Ground Interface ................................................................................... 3–17
Figure 3-9. CDM-625A Standard AC Chassis (CEFD P/N PL/12587-1) ..................................................... 3–18
Figure 3-10. Apply AC Power to the CDM-625A ..................................................................................... 3–19
Figure 3-11. Replace the CDM-625A AC Fuses ....................................................................................... 3–19
Figure 3-12. CDM-625A Optional DC Chassis (CEFD P/N PL-0021327) ................................................... 3–20
Figure 3-13. Apply Power to the CDM-625A Optional DC Chassis .......................................................... 3–21
Figure 3-14. Replace the CDM-625A Optional DC Chassis Fuses ............................................................ 3–22
Figure 5-1. CDM-625A HTTP Interface – ‘Admin | FAST’ page ................................................................. 5–4
Figure 6-1. CDM-625A Front Panel Features ............................................................................................ 6–1
Figure 6-2. CDM-625A Principle Menu Tree (FW Ver. 1.4.1) .................................................................... 6–7
Figure 6-3. Loopback Modes ................................................................................................................... 6–76