Comtech EF Data CDM-625 - Manual (Page 6)

CDM-625 Advanced Satellite Modem Revision 15
Table of Contents MN-CDM625
iv
1.3 Features ............................................................................................................................. 1–3
1.3.1 Physical Description .................................................................................................................................. 1–3
1.3.2 Modem Compatibility .............................................................................................................................. 1–3
1.3.3 Verification ................................................................................................................................................. 1–4
1.3.4 Updating Modem Firmware .................................................................................................................... 1–4
1.3.5 Standard Data Interfaces ......................................................................................................................... 1–4
1.3.6 Optional Hardware and Accessories ....................................................................................................... 1–5
1.3.7 Fully Accessible System Topology (FAST) ............................................................................................... 1–6
1.3.8 Supporting Hardware and Software ....................................................................................................... 1–9
1.3.9 Physical Features ..................................................................................................................................... 1–10
1.3.9.1 Dimensional Envelope ....................................................................................................................... 1–10
1.3.9.2 Front Panel .......................................................................................................................................... 1–11
1.3.9.3 Rear Panel ........................................................................................................................................... 1–12
1.4 Summary of Specifications ................................................................................................ 1–13
1.4.1 Modulator ................................................................................................................................................ 1–13
1.4.2 Demodulator ........................................................................................................................................... 1–15
1.4.3 Data Interfaces ........................................................................................................................................ 1–19
1.4.4 Automatic Uplink Power Control (AUPC) ............................................................................................. 1–19
1.4.5 DoubleTalk ® Carrier- in-Carrier ® (CnC) ................................................................................................... 1–20
1.4.6 Framing Summary ................................................................................................................................... 1–21
1.4.7 Data Rate Ranges .................................................................................................................................... 1–22
1.4.8 VersaFEC Adaptive Coding and Modulation (ACM) ............................................................................ 1–26
1.4.9 Miscellaneous .......................................................................................................................................... 1–27
1.4.10 Approvals ................................................................................................................................................. 1–27
CHAPTER 2.
INSTALLATION ............................................................................................. 2–1
2.1 Unpack and Inspect the Shipment ....................................................................................... 2–1
2.2 Install the Unit Into a Rack Enclosure ................................................................................... 2–2
2.2.1 Install the Optional Rear-Mounting Support Brackets Kits .................................................................. 2–4
2.3 Configure the CDM-625 ....................................................................................................... 2–5
2.4 Verify Modem Operation .................................................................................................... 2–5
2.5 Connect 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
3.2.1.1 Rx IF Connectors ................................................................................................................................... 3–3
3.2.1.2 Tx IF Connectors ................................................................................................................................... 3–3
3.2.2 Terrestrial Data Connection Group ......................................................................................................... 3–4