Figures – Comtech EF Data CDM-625A User Manual

Page 32

Advertising
background image

CDM-625A Advanced Satellite Modem

MN-CDM625A

Table of Contents

Revision 3

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. 1.3.1) .................................................................... 6–7

Advertising