CDM-625 Advanced Satellite Modem Revision 13
Table of Contents MN-CDM625
iv
1.2 Functional Description ........................................................................................................ 1–2
1.3 Features ............................................................................................................................. 1–3
1.3.1 Physical Description .................................................................................................................................. 1–3
1.3.2 Modem Compatibility .............................................................................................................................. 1–3
1.3.3 Ethernet/IP Interface Compatibility ........................................................................................................ 1–4
1.3.4 Verification ................................................................................................................................................. 1–4
1.3.5 Updating Modem Firmware .................................................................................................................... 1–4
1.3.6 Standard Data Interfaces ......................................................................................................................... 1–5
1.3.7 Optional Hardware and Accessories ....................................................................................................... 1–5
1.3.8 Fully Accessible System Topology (FAST) ............................................................................................... 1–7
1.3.9 Supporting Hardware and Software ..................................................................................................... 1–10
1.3.10 Physical Features ..................................................................................................................................... 1–11
1.3.10.1 Dimensional Envelope ....................................................................................................................... 1–11
1.3.10.2 Front Panel .......................................................................................................................................... 1–12
1.3.10.3 Rear Panel ........................................................................................................................................... 1–13
1.4 Summary of Specifications ................................................................................................ 1–14
1.4.1 Modulator ................................................................................................................................................ 1–14
1.4.2 Demodulator ........................................................................................................................................... 1–16
1.4.3 Data Interfaces ........................................................................................................................................ 1–21
1.4.4 Automatic Uplink Power Control (AUPC) ............................................................................................. 1–22
1.4.5 DoubleTalk
®
Carrier- in-Carrier
®
(CnC) ................................................................................................... 1–22
1.4.6 Framing Summary ................................................................................................................................... 1–23
1.4.7 Data Rate Ranges .................................................................................................................................... 1–24
1.4.8 VersaFEC Adaptive Coding and Modulation (ACM) ............................................................................ 1–29
1.4.9 Miscellaneous .......................................................................................................................................... 1–30
1.4.10 Approvals ................................................................................................................................................. 1–30
CHAPTER 2. INSTALLATION ............................................................................................. 2–1
2.1 Unpacking and Inspecting the Shipment .............................................................................. 2–1
2.2 Installing Into a Rack Enclosure ........................................................................................... 2–2
2.2.1 Installing the Optional Rear-Mounting Support Brackets Kits ............................................................. 2–4
2.3 Configuring the CDM-625 .................................................................................................... 2–5
2.4 Selecting the Internal IF Loop .............................................................................................. 2–5
2.5 Connecting the External Cables ........................................................................................... 2–5
CHAPTER 3. REAR PANEL CONNECTORS AND PINOUTS ............................................ 3–1
3.1 CDM-625 Rear Panel Overview ............................................................................................ 3–1
3.2 CDM-625 Cable Connections ............................................................................................... 3–2
3.2.1 IF Connection Group ................................................................................................................................. 3–3
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